Merge pull request #687 from mid-kid/master

Small home/ reorganization
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Rangi 2020-02-23 14:16:26 -05:00 committed by GitHub
commit ef1c4c5a81
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32 changed files with 1887 additions and 1895 deletions

174
home.asm
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@ -1,30 +1,16 @@
INCLUDE "constants.asm"
SECTION "NULL", ROM0
NULL::
INCLUDE "home/rst.asm"
INCLUDE "home/interrupts.asm"
SECTION "Header", ROM0
Start::
nop
jp _Start
INCLUDE "home/header.asm"
SECTION "Home", ROM0
INCLUDE "home/init.asm"
INCLUDE "home/vblank.asm"
INCLUDE "home/delay.asm"
INCLUDE "home/rtc.asm"
INCLUDE "home/time_palettes.asm"
INCLUDE "home/fade.asm"
INCLUDE "home/lcd.asm"
INCLUDE "home/time.asm"
@ -32,189 +18,45 @@ INCLUDE "home/serial.asm"
INCLUDE "home/joypad.asm"
INCLUDE "home/decompress.asm"
INCLUDE "home/palettes.asm"
INCLUDE "home/copy.asm"
INCLUDE "home/gfx.asm"
INCLUDE "home/text.asm"
INCLUDE "home/video.asm"
INCLUDE "home/map_objects.asm"
INCLUDE "home/sine.asm"
INCLUDE "home/movement.asm"
INCLUDE "home/menu.asm"
INCLUDE "home/menu_window.asm"
INCLUDE "home/menu2.asm"
INCLUDE "home/handshake.asm"
INCLUDE "home/printer.asm"
INCLUDE "home/game_time.asm"
INCLUDE "home/map.asm"
InexplicablyEmptyFunction::
; unused
; Inexplicably empty.
; Seen in PredefPointers.
rept 16
nop
endr
ret
INCLUDE "home/farcall.asm"
INCLUDE "home/predef.asm"
INCLUDE "home/window.asm"
INCLUDE "home/flag.asm"
Unreferenced_CheckBPressedDebug::
; Used in debug ROMs to walk through walls and avoid encounters.
ld a, [wDebugFlags]
bit DEBUG_FIELD_F, a
ret z
ldh a, [hJoyDown]
bit B_BUTTON_F, a
ret
xor_a::
xor a
ret
xor_a_dec_a::
xor a
dec a
ret
Unreferenced_CheckFieldDebug::
push hl
ld hl, wDebugFlags
bit DEBUG_FIELD_F, [hl]
pop hl
ret
INCLUDE "home/sprite_updates.asm"
INCLUDE "home/string.asm"
INCLUDE "home/region.asm"
ret_2f3e::
ret
INCLUDE "home/item.asm"
INCLUDE "home/random.asm"
INCLUDE "home/sram.asm"
; Register aliases
_hl_::
jp hl
_de_::
push de
ret
INCLUDE "home/call_regs.asm"
INCLUDE "home/double_speed.asm"
INCLUDE "home/clear_sprites.asm"
INCLUDE "home/copy2.asm"
INCLUDE "home/copy.asm"
INCLUDE "home/copy_tilemap.asm"
INCLUDE "home/copy_name.asm"
IsInArray::
; Find value a for every de bytes in array hl.
; Return index in b and carry if found.
ld b, 0
ld c, a
.loop
ld a, [hl]
cp -1
jr z, .NotInArray
cp c
jr z, .InArray
inc b
add hl, de
jr .loop
.NotInArray:
and a
ret
.InArray:
scf
ret
SkipNames::
; Skip a names.
ld bc, NAME_LENGTH
and a
ret z
.loop
add hl, bc
dec a
jr nz, .loop
ret
INCLUDE "home/array.asm"
INCLUDE "home/math.asm"
INCLUDE "home/print_text.asm"
CallPointerAt::
ldh a, [hROMBank]
push af
ld a, [hli]
rst Bankswitch
ld a, [hli]
ld h, [hl]
ld l, a
call _hl_
pop hl
ld a, h
rst Bankswitch
ret
INCLUDE "home/queue_script.asm"
INCLUDE "home/compare.asm"
INCLUDE "home/tilemap.asm"
INCLUDE "home/hp_pals.asm"
CountSetBits::
; Count the number of set bits in b bytes starting from hl.
; Return in a, c and [wNumSetBits].
ld c, 0
.next
ld a, [hli]
ld e, a
ld d, 8
.count
srl e
ld a, 0
adc c
ld c, a
dec d
jr nz, .count
dec b
jr nz, .next
ld a, c
ld [wNumSetBits], a
ret
GetWeekday::
ld a, [wCurDay]
.mod
sub 7
jr nc, .mod
add 7
ret
INCLUDE "home/pokedex_flags.asm"
INCLUDE "home/names.asm"
INCLUDE "home/scrolling_menu.asm"
INCLUDE "home/stone_queue.asm"
INCLUDE "home/trainers.asm"
INCLUDE "home/mon_stats.asm"
INCLUDE "home/cry.asm"
INCLUDE "home/print_level.asm"
INCLUDE "home/mon_data.asm"
INCLUDE "home/pokemon.asm"
INCLUDE "home/print_bcd.asm"
INCLUDE "home/mon_data_2.asm"
INCLUDE "home/battle.asm"
INCLUDE "home/sprite_anims.asm"
INCLUDE "home/audio.asm"

44
home/array.asm Normal file
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@ -0,0 +1,44 @@
IsInArray::
; Find value a for every de bytes in array hl.
; Return index in b and carry if found.
ld b, 0
ld c, a
.loop
ld a, [hl]
cp -1
jr z, .NotInArray
cp c
jr z, .InArray
inc b
add hl, de
jr .loop
.NotInArray:
and a
ret
.InArray:
scf
ret
SkipNames::
; Skip a names.
ld bc, NAME_LENGTH
and a
ret z
.loop
add hl, bc
dec a
jr nz, .loop
ret
AddNTimes::
; Add bc * a to hl.
and a
ret z
.loop
add hl, bc
dec a
jr nz, .loop
ret

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@ -1,3 +1,38 @@
GetPartyParamLocation::
; Get the location of parameter a from wCurPartyMon in hl
push bc
ld hl, wPartyMons
ld c, a
ld b, 0
add hl, bc
ld a, [wCurPartyMon]
call GetPartyLocation
pop bc
ret
GetPartyLocation::
; Add the length of a PartyMon struct to hl a times.
ld bc, PARTYMON_STRUCT_LENGTH
jp AddNTimes
Unreferenced_GetDexNumber::
; Probably used in gen 1 to convert index number to dex number
; Not required in gen 2 because index number == dex number
push hl
ld a, b
dec a
ld b, 0
add hl, bc
ld hl, BaseData + BASE_DEX_NO
ld bc, BASE_DATA_SIZE
call AddNTimes
ld a, BANK(BaseData)
call GetFarHalfword
ld b, l
ld c, h
pop hl
ret
UserPartyAttr::
push af
ldh a, [hBattleTurn]
@ -224,3 +259,22 @@ GetBattleAnimByte::
ld a, [wBattleAnimByte]
ret
PushLYOverrides::
ldh a, [hLCDCPointer]
and a
ret z
ld a, LOW(wLYOverridesBackup)
ld [wRequested2bppSource], a
ld a, HIGH(wLYOverridesBackup)
ld [wRequested2bppSource + 1], a
ld a, LOW(wLYOverrides)
ld [wRequested2bppDest], a
ld a, HIGH(wLYOverrides)
ld [wRequested2bppDest + 1], a
ld a, (wLYOverridesEnd - wLYOverrides) / 16
ld [wRequested2bpp], a
ret

8
home/call_regs.asm Normal file
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@ -0,0 +1,8 @@
; Register aliases
_hl_::
jp hl
_de_::
push de
ret

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@ -1,391 +1,131 @@
; Functions to copy data from ROM.
Get2bpp_2::
ldh a, [rLCDC]
bit rLCDC_ENABLE, a
jp z, Copy2bpp
homecall _Get2bpp
ret
Get1bpp_2::
ldh a, [rLCDC]
bit rLCDC_ENABLE, a
jp z, Copy1bpp
homecall _Get1bpp
ret
FarCopyBytesDouble_DoubleBankSwitch::
ldh [hBuffer], a
ldh a, [hROMBank]
push af
ldh a, [hBuffer]
rst Bankswitch
call FarCopyBytesDouble
pop af
rst Bankswitch
ret
OldDMATransfer::
CopyBytes::
; copy bc bytes from hl to de
inc b ; we bail the moment b hits 0, so include the last run
inc c ; same thing; include last byte
jr .HandleLoop
.CopyByte:
ld a, [hli]
ld [de], a
inc de
.HandleLoop:
dec c
ldh a, [hBGMapMode]
jr nz, .CopyByte
dec b
jr nz, .CopyByte
ret
SwapBytes::
; swap bc bytes between hl and de
.Loop:
; stash [hl] away on the stack
ld a, [hl]
push af
xor a
ldh [hBGMapMode], a
ldh a, [hROMBank]
push af
ld a, b
rst Bankswitch
.loop
; load the source and target MSB and LSB
ld a, d
ldh [rHDMA1], a ; source MSB
ld a, e
and $f0
ldh [rHDMA2], a ; source LSB
ld a, h
and $1f
ldh [rHDMA3], a ; target MSB
ld a, l
and $f0
ldh [rHDMA4], a ; target LSB
; stop when c < 8
ld a, c
cp $8
jr c, .done
; decrease c by 8
sub $8
ld c, a
; DMA transfer state
ld a, $f
ldh [hDMATransfer], a
call DelayFrame
; add $100 to hl and de
ld a, l
add LOW($100)
ld l, a
ld a, h
adc HIGH($100)
ld h, a
ld a, e
add LOW($100)
ld e, a
ld a, d
adc HIGH($100)
ld d, a
jr .loop
; copy a byte from [de] to [hl]
ld a, [de]
ld [hli], a
.done
ld a, c
and $7f ; pretty silly, considering at most bits 0-2 would be set
ldh [hDMATransfer], a
call DelayFrame
; retrieve the previous value of [hl]; put it in [de]
pop af
rst Bankswitch
ld [de], a
inc de
pop af
ldh [hBGMapMode], a
ret
ReplaceKrisSprite::
farcall _ReplaceKrisSprite
ret
LoadStandardFont::
farcall _LoadStandardFont
ret
LoadFontsBattleExtra::
farcall _LoadFontsBattleExtra
ret
LoadFontsExtra::
farcall _LoadFontsExtra1
farcall _LoadFontsExtra2
ret
LoadFontsExtra2::
farcall _LoadFontsExtra2
ret
DecompressRequest2bpp::
push de
ld a, BANK(sScratch)
call GetSRAMBank
push bc
ld de, sScratch
; handle loop stuff
dec bc
ld a, b
call FarDecompress
pop bc
pop hl
ld de, sScratch
call Request2bpp
call CloseSRAM
or c
jr nz, .Loop
ret
FarCopyBytes::
; copy bc bytes from a:hl to de
ByteFill::
; fill bc bytes with the value of a, starting at hl
inc b ; we bail the moment b hits 0, so include the last run
inc c ; same thing; include last byte
jr .HandleLoop
.PutByte:
ld [hli], a
.HandleLoop:
dec c
jr nz, .PutByte
dec b
jr nz, .PutByte
ret
GetFarByte::
; retrieve a single byte from a:hl, and return it in a.
; bankswitch to new bank
ldh [hBuffer], a
ldh a, [hROMBank]
push af
ldh a, [hBuffer]
rst Bankswitch
; get byte from new bank
ld a, [hl]
ldh [hBuffer], a
; bankswitch to previous bank
pop af
rst Bankswitch
; return retrieved value in a
ldh a, [hBuffer]
ret
GetFarHalfword::
; retrieve a halfword from a:hl, and return it in hl.
; bankswitch to new bank
ldh [hBuffer], a
ldh a, [hROMBank]
push af
ldh a, [hBuffer]
rst Bankswitch
; get halfword from new bank, put it in hl
ld a, [hli]
ld h, [hl]
ld l, a
; bankswitch to previous bank and return
pop af
rst Bankswitch
ret
FarCopyWRAM::
ldh [hBuffer], a
ldh a, [rSVBK]
push af
ldh a, [hBuffer]
ldh [rSVBK], a
call CopyBytes
pop af
rst Bankswitch
ldh [rSVBK], a
ret
FarCopyBytesDouble::
; Copy bc bytes from a:hl to bc*2 bytes at de,
; doubling each byte in the process.
GetFarWRAMByte::
ldh [hBuffer], a
ldh a, [hROMBank]
ldh a, [rSVBK]
push af
ldh a, [hBuffer]
rst Bankswitch
; switcheroo, de <> hl
ld a, h
ld h, d
ld d, a
ld a, l
ld l, e
ld e, a
inc b
inc c
jr .dec
.loop
ld a, [de]
inc de
ld [hli], a
ld [hli], a
.dec
dec c
jr nz, .loop
dec b
jr nz, .loop
ldh [rSVBK], a
ld a, [hl]
ldh [hBuffer], a
pop af
rst Bankswitch
ldh [rSVBK], a
ldh a, [hBuffer]
ret
Request2bpp::
; Load 2bpp at b:de to occupy c tiles of hl.
ldh a, [hBGMapMode]
GetFarWRAMWord::
ldh [hBuffer], a
ldh a, [rSVBK]
push af
xor a
ldh [hBGMapMode], a
ldh a, [hROMBank]
push af
ld a, b
rst Bankswitch
ldh a, [hTilesPerCycle]
push af
ld a, $8
ldh [hTilesPerCycle], a
ld a, [wLinkMode]
cp LINK_MOBILE
jr nz, .NotMobile
ldh a, [hMobile]
and a
jr nz, .NotMobile
ld a, $6
ldh [hTilesPerCycle], a
.NotMobile:
ld a, e
ld [wRequested2bppSource], a
ld a, d
ld [wRequested2bppSource + 1], a
ld a, l
ld [wRequested2bppDest], a
ld a, h
ld [wRequested2bppDest + 1], a
.loop
ld a, c
ld hl, hTilesPerCycle
cp [hl]
jr nc, .iterate
ld [wRequested2bpp], a
.wait
call DelayFrame
ld a, [wRequested2bpp]
and a
jr nz, .wait
ldh a, [hBuffer]
ldh [rSVBK], a
ld a, [hli]
ld h, [hl]
ld l, a
pop af
ldh [hTilesPerCycle], a
pop af
rst Bankswitch
pop af
ldh [hBGMapMode], a
ldh [rSVBK], a
ret
.iterate
ldh a, [hTilesPerCycle]
ld [wRequested2bpp], a
.wait2
call DelayFrame
ld a, [wRequested2bpp]
and a
jr nz, .wait2
ld a, c
ld hl, hTilesPerCycle
sub [hl]
ld c, a
jr .loop
Request1bpp::
; Load 1bpp at b:de to occupy c tiles of hl.
ldh a, [hBGMapMode]
push af
xor a
ldh [hBGMapMode], a
ldh a, [hROMBank]
push af
ld a, b
rst Bankswitch
ldh a, [hTilesPerCycle]
push af
ld a, $8
ldh [hTilesPerCycle], a
ld a, [wLinkMode]
cp LINK_MOBILE
jr nz, .NotMobile
ldh a, [hMobile]
and a
jr nz, .NotMobile
ld a, $6
ldh [hTilesPerCycle], a
.NotMobile:
ld a, e
ld [wRequested1bppSource], a
ld a, d
ld [wRequested1bppSource + 1], a
ld a, l
ld [wRequested1bppDest], a
ld a, h
ld [wRequested1bppDest + 1], a
.loop
ld a, c
ld hl, hTilesPerCycle
cp [hl]
jr nc, .iterate
ld [wRequested1bpp], a
.wait
call DelayFrame
ld a, [wRequested1bpp]
and a
jr nz, .wait
pop af
ldh [hTilesPerCycle], a
pop af
rst Bankswitch
pop af
ldh [hBGMapMode], a
ret
.iterate
ldh a, [hTilesPerCycle]
ld [wRequested1bpp], a
.wait2
call DelayFrame
ld a, [wRequested1bpp]
and a
jr nz, .wait2
ld a, c
ld hl, hTilesPerCycle
sub [hl]
ld c, a
jr .loop
Get2bpp::
ldh a, [rLCDC]
bit rLCDC_ENABLE, a
jp nz, Request2bpp
Copy2bpp::
; copy c 2bpp tiles from b:de to hl
push hl
ld h, d
ld l, e
pop de
; bank
ld a, b
; bc = c * $10
push af
swap c
ld a, $f
and c
ld b, a
ld a, $f0
and c
ld c, a
pop af
jp FarCopyBytes
Get1bpp::
ldh a, [rLCDC]
bit rLCDC_ENABLE, a
jp nz, Request1bpp
Copy1bpp::
; copy c 1bpp tiles from b:de to hl
push de
ld d, h
ld e, l
; bank
ld a, b
; bc = c * $10 / 2
push af
ld h, 0
ld l, c
add hl, hl
add hl, hl
add hl, hl
ld b, h
ld c, l
pop af
pop hl
jp FarCopyBytesDouble

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@ -1,131 +0,0 @@
CopyBytes::
; copy bc bytes from hl to de
inc b ; we bail the moment b hits 0, so include the last run
inc c ; same thing; include last byte
jr .HandleLoop
.CopyByte:
ld a, [hli]
ld [de], a
inc de
.HandleLoop:
dec c
jr nz, .CopyByte
dec b
jr nz, .CopyByte
ret
SwapBytes::
; swap bc bytes between hl and de
.Loop:
; stash [hl] away on the stack
ld a, [hl]
push af
; copy a byte from [de] to [hl]
ld a, [de]
ld [hli], a
; retrieve the previous value of [hl]; put it in [de]
pop af
ld [de], a
inc de
; handle loop stuff
dec bc
ld a, b
or c
jr nz, .Loop
ret
ByteFill::
; fill bc bytes with the value of a, starting at hl
inc b ; we bail the moment b hits 0, so include the last run
inc c ; same thing; include last byte
jr .HandleLoop
.PutByte:
ld [hli], a
.HandleLoop:
dec c
jr nz, .PutByte
dec b
jr nz, .PutByte
ret
GetFarByte::
; retrieve a single byte from a:hl, and return it in a.
; bankswitch to new bank
ldh [hBuffer], a
ldh a, [hROMBank]
push af
ldh a, [hBuffer]
rst Bankswitch
; get byte from new bank
ld a, [hl]
ldh [hBuffer], a
; bankswitch to previous bank
pop af
rst Bankswitch
; return retrieved value in a
ldh a, [hBuffer]
ret
GetFarHalfword::
; retrieve a halfword from a:hl, and return it in hl.
; bankswitch to new bank
ldh [hBuffer], a
ldh a, [hROMBank]
push af
ldh a, [hBuffer]
rst Bankswitch
; get halfword from new bank, put it in hl
ld a, [hli]
ld h, [hl]
ld l, a
; bankswitch to previous bank and return
pop af
rst Bankswitch
ret
FarCopyWRAM::
ldh [hBuffer], a
ldh a, [rSVBK]
push af
ldh a, [hBuffer]
ldh [rSVBK], a
call CopyBytes
pop af
ldh [rSVBK], a
ret
GetFarWRAMByte::
ldh [hBuffer], a
ldh a, [rSVBK]
push af
ldh a, [hBuffer]
ldh [rSVBK], a
ld a, [hl]
ldh [hBuffer], a
pop af
ldh [rSVBK], a
ldh a, [hBuffer]
ret
GetFarWRAMWord::
ldh [hBuffer], a
ldh a, [rSVBK]
push af
ldh a, [hBuffer]
ldh [rSVBK], a
ld a, [hli]
ld h, [hl]
ld l, a
pop af
ldh [rSVBK], a
ret

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@ -1,101 +0,0 @@
PlayStereoCry::
push af
ld a, 1
ld [wStereoPanningMask], a
pop af
call _PlayMonCry
call WaitSFX
ret
PlayStereoCry2::
; Don't wait for the cry to end.
; Used during pic animations.
push af
ld a, 1
ld [wStereoPanningMask], a
pop af
jp _PlayMonCry
PlayMonCry::
call PlayMonCry2
call WaitSFX
ret
PlayMonCry2::
; Don't wait for the cry to end.
push af
xor a
ld [wStereoPanningMask], a
ld [wCryTracks], a
pop af
call _PlayMonCry
ret
_PlayMonCry::
push hl
push de
push bc
call GetCryIndex
jr c, .done
ld e, c
ld d, b
call PlayCry
.done
pop bc
pop de
pop hl
ret
LoadCry::
; Load cry bc.
call GetCryIndex
ret c
ldh a, [hROMBank]
push af
ld a, BANK(PokemonCries)
rst Bankswitch
ld hl, PokemonCries
rept 6 ; sizeof(mon_cry)
add hl, bc
endr
ld e, [hl]
inc hl
ld d, [hl]
inc hl
ld a, [hli]
ld [wCryPitch], a
ld a, [hli]
ld [wCryPitch + 1], a
ld a, [hli]
ld [wCryLength], a
ld a, [hl]
ld [wCryLength + 1], a
pop af
rst Bankswitch
and a
ret
GetCryIndex::
and a
jr z, .no
cp NUM_POKEMON + 1
jr nc, .no
dec a
ld c, a
ld b, 0
and a
ret
.no
scf
ret

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@ -101,3 +101,30 @@ CheckReceivedDex::
ld a, c
and a
ret
Unreferenced_CheckBPressedDebug::
; Used in debug ROMs to walk through walls and avoid encounters.
ld a, [wDebugFlags]
bit DEBUG_FIELD_F, a
ret z
ldh a, [hJoyDown]
bit B_BUTTON_F, a
ret
xor_a::
xor a
ret
xor_a_dec_a::
xor a
dec a
ret
Unreferenced_CheckFieldDebug::
push hl
ld hl, wDebugFlags
bit DEBUG_FIELD_F, [hl]
pop hl
ret

391
home/gfx.asm Normal file
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@ -0,0 +1,391 @@
; Functions to copy data from ROM.
Get2bpp_2::
ldh a, [rLCDC]
bit rLCDC_ENABLE, a
jp z, Copy2bpp
homecall _Get2bpp
ret
Get1bpp_2::
ldh a, [rLCDC]
bit rLCDC_ENABLE, a
jp z, Copy1bpp
homecall _Get1bpp
ret
FarCopyBytesDouble_DoubleBankSwitch::
ldh [hBuffer], a
ldh a, [hROMBank]
push af
ldh a, [hBuffer]
rst Bankswitch
call FarCopyBytesDouble
pop af
rst Bankswitch
ret
OldDMATransfer:
dec c
ldh a, [hBGMapMode]
push af
xor a
ldh [hBGMapMode], a
ldh a, [hROMBank]
push af
ld a, b
rst Bankswitch
.loop
; load the source and target MSB and LSB
ld a, d
ldh [rHDMA1], a ; source MSB
ld a, e
and $f0
ldh [rHDMA2], a ; source LSB
ld a, h
and $1f
ldh [rHDMA3], a ; target MSB
ld a, l
and $f0
ldh [rHDMA4], a ; target LSB
; stop when c < 8
ld a, c
cp $8
jr c, .done
; decrease c by 8
sub $8
ld c, a
; DMA transfer state
ld a, $f
ldh [hDMATransfer], a
call DelayFrame
; add $100 to hl and de
ld a, l
add LOW($100)
ld l, a
ld a, h
adc HIGH($100)
ld h, a
ld a, e
add LOW($100)
ld e, a
ld a, d
adc HIGH($100)
ld d, a
jr .loop
.done
ld a, c
and $7f ; pretty silly, considering at most bits 0-2 would be set
ldh [hDMATransfer], a
call DelayFrame
pop af
rst Bankswitch
pop af
ldh [hBGMapMode], a
ret
ReplaceKrisSprite::
farcall _ReplaceKrisSprite
ret
LoadStandardFont::
farcall _LoadStandardFont
ret
LoadFontsBattleExtra::
farcall _LoadFontsBattleExtra
ret
LoadFontsExtra::
farcall _LoadFontsExtra1
farcall _LoadFontsExtra2
ret
LoadFontsExtra2:
farcall _LoadFontsExtra2
ret
DecompressRequest2bpp::
push de
ld a, BANK(sScratch)
call GetSRAMBank
push bc
ld de, sScratch
ld a, b
call FarDecompress
pop bc
pop hl
ld de, sScratch
call Request2bpp
call CloseSRAM
ret
FarCopyBytes::
; copy bc bytes from a:hl to de
ldh [hBuffer], a
ldh a, [hROMBank]
push af
ldh a, [hBuffer]
rst Bankswitch
call CopyBytes
pop af
rst Bankswitch
ret
FarCopyBytesDouble:
; Copy bc bytes from a:hl to bc*2 bytes at de,
; doubling each byte in the process.
ldh [hBuffer], a
ldh a, [hROMBank]
push af
ldh a, [hBuffer]
rst Bankswitch
; switcheroo, de <> hl
ld a, h
ld h, d
ld d, a
ld a, l
ld l, e
ld e, a
inc b
inc c
jr .dec
.loop
ld a, [de]
inc de
ld [hli], a
ld [hli], a
.dec
dec c
jr nz, .loop
dec b
jr nz, .loop
pop af
rst Bankswitch
ret
Request2bpp::
; Load 2bpp at b:de to occupy c tiles of hl.
ldh a, [hBGMapMode]
push af
xor a
ldh [hBGMapMode], a
ldh a, [hROMBank]
push af
ld a, b
rst Bankswitch
ldh a, [hTilesPerCycle]
push af
ld a, $8
ldh [hTilesPerCycle], a
ld a, [wLinkMode]
cp LINK_MOBILE
jr nz, .NotMobile
ldh a, [hMobile]
and a
jr nz, .NotMobile
ld a, $6
ldh [hTilesPerCycle], a
.NotMobile:
ld a, e
ld [wRequested2bppSource], a
ld a, d
ld [wRequested2bppSource + 1], a
ld a, l
ld [wRequested2bppDest], a
ld a, h
ld [wRequested2bppDest + 1], a
.loop
ld a, c
ld hl, hTilesPerCycle
cp [hl]
jr nc, .iterate
ld [wRequested2bpp], a
.wait
call DelayFrame
ld a, [wRequested2bpp]
and a
jr nz, .wait
pop af
ldh [hTilesPerCycle], a
pop af
rst Bankswitch
pop af
ldh [hBGMapMode], a
ret
.iterate
ldh a, [hTilesPerCycle]
ld [wRequested2bpp], a
.wait2
call DelayFrame
ld a, [wRequested2bpp]
and a
jr nz, .wait2
ld a, c
ld hl, hTilesPerCycle
sub [hl]
ld c, a
jr .loop
Request1bpp::
; Load 1bpp at b:de to occupy c tiles of hl.
ldh a, [hBGMapMode]
push af
xor a
ldh [hBGMapMode], a
ldh a, [hROMBank]
push af
ld a, b
rst Bankswitch
ldh a, [hTilesPerCycle]
push af
ld a, $8
ldh [hTilesPerCycle], a
ld a, [wLinkMode]
cp LINK_MOBILE
jr nz, .NotMobile
ldh a, [hMobile]
and a
jr nz, .NotMobile
ld a, $6
ldh [hTilesPerCycle], a
.NotMobile:
ld a, e
ld [wRequested1bppSource], a
ld a, d
ld [wRequested1bppSource + 1], a
ld a, l
ld [wRequested1bppDest], a
ld a, h
ld [wRequested1bppDest + 1], a
.loop
ld a, c
ld hl, hTilesPerCycle
cp [hl]
jr nc, .iterate
ld [wRequested1bpp], a
.wait
call DelayFrame
ld a, [wRequested1bpp]
and a
jr nz, .wait
pop af
ldh [hTilesPerCycle], a
pop af
rst Bankswitch
pop af
ldh [hBGMapMode], a
ret
.iterate
ldh a, [hTilesPerCycle]
ld [wRequested1bpp], a
.wait2
call DelayFrame
ld a, [wRequested1bpp]
and a
jr nz, .wait2
ld a, c
ld hl, hTilesPerCycle
sub [hl]
ld c, a
jr .loop
Get2bpp::
ldh a, [rLCDC]
bit rLCDC_ENABLE, a
jp nz, Request2bpp
Copy2bpp:
; copy c 2bpp tiles from b:de to hl
push hl
ld h, d
ld l, e
pop de
; bank
ld a, b
; bc = c * $10
push af
swap c
ld a, $f
and c
ld b, a
ld a, $f0
and c
ld c, a
pop af
jp FarCopyBytes
Get1bpp::
ldh a, [rLCDC]
bit rLCDC_ENABLE, a
jp nz, Request1bpp
Copy1bpp::
; copy c 1bpp tiles from b:de to hl
push de
ld d, h
ld e, l
; bank
ld a, b
; bc = c * $10 / 2
push af
ld h, 0
ld l, c
add hl, hl
add hl, hl
add hl, hl
ld b, h
ld c, l
pop af
pop hl
jp FarCopyBytesDouble

66
home/header.asm Normal file
View File

@ -0,0 +1,66 @@
; rst vectors (called through the rst instruction)
SECTION "rst0", ROM0[$0000]
di
jp Start
SECTION "rst8", ROM0[$0008] ; rst FarCall
jp FarCall_hl
SECTION "rst10", ROM0[$0010] ; rst Bankswitch
ldh [hROMBank], a
ld [MBC3RomBank], a
ret
SECTION "rst18", ROM0[$0018]
rst $38
SECTION "rst20", ROM0[$0020]
rst $38
SECTION "rst28", ROM0[$0028] ; rst JumpTable
push de
ld e, a
ld d, 0
add hl, de
add hl, de
ld a, [hli]
ld h, [hl]
; SECTION "rst30", ROM0[$0030]
ld l, a
pop de
jp hl
SECTION "rst38", ROM0[$0038]
rst $38
; Game Boy hardware interrupts
SECTION "vblank", ROM0[$0040]
jp VBlank
SECTION "lcd", ROM0[$0048]
jp LCD
SECTION "timer", ROM0[$0050]
jp Timer
SECTION "serial", ROM0[$0058]
jp Serial
SECTION "joypad", ROM0[$0060]
jp Joypad
; Game Boy cartridge header
SECTION "Header", ROM0[$0100]
Start::
nop
jp _Start
; The cartridge header data is filled in by rgbfix.
; This makes sure it doesn't get used.
ds $0150 - @

View File

@ -1,17 +0,0 @@
SetHPPal::
; Set palette for hp bar pixel length e at hl.
call GetHPPal
ld [hl], d
ret
GetHPPal::
; Get palette for hp bar pixel length e in d.
ld d, HP_GREEN
ld a, e
cp (HP_BAR_LENGTH_PX * 50 / 100) ; 24
ret nc
inc d ; HP_YELLOW
cp (HP_BAR_LENGTH_PX * 21 / 100) ; 10
ret nc
inc d ; HP_RED
ret

View File

@ -1,16 +0,0 @@
; Game Boy hardware interrupts
SECTION "vblank", ROM0
jp VBlank
SECTION "lcd", ROM0
jp LCD
SECTION "timer", ROM0
jp Timer
SECTION "serial", ROM0
jp Serial
SECTION "joypad", ROM0
jp JoypadInt

View File

@ -1,4 +1,4 @@
JoypadInt::
Joypad::
; Replaced by Joypad, called from VBlank instead of the useless
; joypad interrupt.
@ -13,7 +13,7 @@ ClearJoypad::
ldh [hJoyDown], a
ret
Joypad::
UpdateJoypad::
; This is called automatically every frame in VBlank.
; Read the joypad register and translate it to something more
; workable for use in-game. There are 8 buttons, so we can use

View File

@ -2277,3 +2277,12 @@ LoadMapTileset::
pop bc
pop hl
ret
InexplicablyEmptyFunction::
; unused
; Inexplicably empty.
; Seen in PredefPointers.
rept 16
nop
endr
ret

View File

@ -1,13 +1,3 @@
AddNTimes::
; Add bc * a to hl.
and a
ret z
.loop
add hl, bc
dec a
jr nz, .loop
ret
SimpleMultiply::
; Return a * c.
and a

View File

@ -60,3 +60,784 @@ HideCursor::
ld l, a
ld [hl], " "
ret
PushWindow::
callfar _PushWindow
ret
ExitMenu::
push af
callfar _ExitMenu
pop af
ret
InitVerticalMenuCursor::
callfar _InitVerticalMenuCursor
ret
CloseWindow::
push af
call ExitMenu
call ApplyTilemap
call UpdateSprites
pop af
ret
RestoreTileBackup::
call MenuBoxCoord2Tile
call .copy
call MenuBoxCoord2Attr
call .copy
ret
.copy
call GetMenuBoxDims
inc b
inc c
.row
push bc
push hl
.col
ld a, [de]
ld [hli], a
dec de
dec c
jr nz, .col
pop hl
ld bc, SCREEN_WIDTH
add hl, bc
pop bc
dec b
jr nz, .row
ret
PopWindow::
ld b, $10
ld de, wMenuFlags
.loop
ld a, [hld]
ld [de], a
inc de
dec b
jr nz, .loop
ret
GetMenuBoxDims::
ld a, [wMenuBorderTopCoord] ; top
ld b, a
ld a, [wMenuBorderBottomCoord] ; bottom
sub b
ld b, a
ld a, [wMenuBorderLeftCoord] ; left
ld c, a
ld a, [wMenuBorderRightCoord] ; right
sub c
ld c, a
ret
CopyMenuData::
push hl
push de
push bc
push af
ld hl, wMenuDataPointer
ld a, [hli]
ld h, [hl]
ld l, a
ld de, wMenuDataFlags
ld bc, wMenuDataEnd - wMenuDataFlags
call CopyBytes
pop af
pop bc
pop de
pop hl
ret
GetWindowStackTop::
ld hl, wWindowStackPointer
ld a, [hli]
ld h, [hl]
ld l, a
inc hl
ld a, [hli]
ld h, [hl]
ld l, a
ret
PlaceVerticalMenuItems::
call CopyMenuData
ld hl, wMenuDataPointer
ld e, [hl]
inc hl
ld d, [hl]
call GetMenuTextStartCoord
call Coord2Tile ; hl now contains the tilemap address where we will start printing text.
inc de
ld a, [de] ; Number of items
inc de
ld b, a
.loop
push bc
call PlaceString
inc de
ld bc, 2 * SCREEN_WIDTH
add hl, bc
pop bc
dec b
jr nz, .loop
ld a, [wMenuDataFlags]
bit 4, a
ret z
call MenuBoxCoord2Tile
ld a, [de]
ld c, a
inc de
ld b, $0
add hl, bc
jp PlaceString
MenuBox::
call MenuBoxCoord2Tile
call GetMenuBoxDims
dec b
dec c
jp Textbox
GetMenuTextStartCoord::
ld a, [wMenuBorderTopCoord]
ld b, a
inc b
ld a, [wMenuBorderLeftCoord]
ld c, a
inc c
; bit 6: if not set, leave extra room on top
ld a, [wMenuDataFlags]
bit 6, a
jr nz, .bit_6_set
inc b
.bit_6_set
; bit 7: if set, leave extra room on the left
ld a, [wMenuDataFlags]
bit 7, a
jr z, .bit_7_clear
inc c
.bit_7_clear
ret
ClearMenuBoxInterior::
call MenuBoxCoord2Tile
ld bc, SCREEN_WIDTH + 1
add hl, bc
call GetMenuBoxDims
dec b
dec c
call ClearBox
ret
ClearWholeMenuBox::
call MenuBoxCoord2Tile
call GetMenuBoxDims
inc c
inc b
call ClearBox
ret
MenuBoxCoord2Tile::
ld a, [wMenuBorderLeftCoord]
ld c, a
ld a, [wMenuBorderTopCoord]
ld b, a
Coord2Tile::
; Return the address of wTilemap(c, b) in hl.
xor a
ld h, a
ld l, b
ld a, c
ld b, h
ld c, l
add hl, hl
add hl, hl
add hl, bc
add hl, hl
add hl, hl
ld c, a
xor a
ld b, a
add hl, bc
bccoord 0, 0
add hl, bc
ret
MenuBoxCoord2Attr::
ld a, [wMenuBorderLeftCoord]
ld c, a
ld a, [wMenuBorderTopCoord]
ld b, a
Coord2Attr::
; Return the address of wAttrmap(c, b) in hl.
xor a
ld h, a
ld l, b
ld a, c
ld b, h
ld c, l
add hl, hl
add hl, hl
add hl, bc
add hl, hl
add hl, hl
ld c, a
xor a
ld b, a
add hl, bc
bccoord 0, 0, wAttrmap
add hl, bc
ret
LoadMenuHeader::
call CopyMenuHeader
call PushWindow
ret
CopyMenuHeader::
ld de, wMenuHeader
ld bc, wMenuHeaderEnd - wMenuHeader
call CopyBytes
ldh a, [hROMBank]
ld [wMenuDataBank], a
ret
StoreTo_wMenuCursorBuffer::
ld [wMenuCursorBuffer], a
ret
MenuTextbox::
push hl
call LoadMenuTextbox
pop hl
jp PrintText
; unused
ret
LoadMenuTextbox::
ld hl, .MenuHeader
call LoadMenuHeader
ret
.MenuHeader:
db MENU_BACKUP_TILES ; flags
menu_coords 0, 12, SCREEN_WIDTH - 1, SCREEN_HEIGHT - 1
dw vTiles0
db 0 ; default option
MenuTextboxBackup::
call MenuTextbox
call CloseWindow
ret
LoadStandardMenuHeader::
ld hl, .MenuHeader
call LoadMenuHeader
ret
.MenuHeader:
db MENU_BACKUP_TILES ; flags
menu_coords 0, 0, SCREEN_WIDTH - 1, SCREEN_HEIGHT - 1
dw 0
db 1 ; default option
Call_ExitMenu::
call ExitMenu
ret
VerticalMenu::
xor a
ldh [hBGMapMode], a
call MenuBox
call UpdateSprites
call PlaceVerticalMenuItems
call ApplyTilemap
call CopyMenuData
ld a, [wMenuDataFlags]
bit 7, a
jr z, .cancel
call InitVerticalMenuCursor
call StaticMenuJoypad
call MenuClickSound
bit 1, a
jr z, .okay
.cancel
scf
ret
.okay
and a
ret
GetMenu2::
call LoadMenuHeader
call VerticalMenu
call CloseWindow
ld a, [wMenuCursorY]
ret
CopyNameFromMenu::
push hl
push bc
push af
ld hl, wMenuDataPointer
ld a, [hli]
ld h, [hl]
ld l, a
inc hl
inc hl
pop af
call GetNthString
ld d, h
ld e, l
call CopyName1
pop bc
pop hl
ret
YesNoBox::
lb bc, SCREEN_WIDTH - 6, 7
PlaceYesNoBox::
jr _YesNoBox
PlaceGenericTwoOptionBox::
call LoadMenuHeader
jr InterpretTwoOptionMenu
_YesNoBox::
; Return nc (yes) or c (no).
push bc
ld hl, YesNoMenuHeader
call CopyMenuHeader
pop bc
; This seems to be an overflow prevention, but
; it was coded wrong.
ld a, b
cp SCREEN_WIDTH - 6
jr nz, .okay ; should this be "jr nc"?
ld a, SCREEN_WIDTH - 6
ld b, a
.okay
ld a, b
ld [wMenuBorderLeftCoord], a
add 5
ld [wMenuBorderRightCoord], a
ld a, c
ld [wMenuBorderTopCoord], a
add 4
ld [wMenuBorderBottomCoord], a
call PushWindow
InterpretTwoOptionMenu::
call VerticalMenu
push af
ld c, $f
call DelayFrames
call CloseWindow
pop af
jr c, .no
ld a, [wMenuCursorY]
cp 2 ; no
jr z, .no
and a
ret
.no
ld a, 2
ld [wMenuCursorY], a
scf
ret
YesNoMenuHeader::
db MENU_BACKUP_TILES ; flags
menu_coords 10, 5, 15, 9
dw .MenuData
db 1 ; default option
.MenuData:
db STATICMENU_CURSOR | STATICMENU_NO_TOP_SPACING ; flags
db 2
db "YES@"
db "NO@"
OffsetMenuHeader::
call _OffsetMenuHeader
call PushWindow
ret
_OffsetMenuHeader::
push de
call CopyMenuHeader
pop de
ld a, [wMenuBorderLeftCoord]
ld h, a
ld a, [wMenuBorderRightCoord]
sub h
ld h, a
ld a, d
ld [wMenuBorderLeftCoord], a
add h
ld [wMenuBorderRightCoord], a
ld a, [wMenuBorderTopCoord]
ld l, a
ld a, [wMenuBorderBottomCoord]
sub l
ld l, a
ld a, e
ld [wMenuBorderTopCoord], a
add l
ld [wMenuBorderBottomCoord], a
ret
DoNthMenu::
call DrawVariableLengthMenuBox
call MenuWriteText
call InitMenuCursorAndButtonPermissions
call GetStaticMenuJoypad
call GetMenuJoypad
call MenuClickSound
ret
SetUpMenu::
call DrawVariableLengthMenuBox ; ???
call MenuWriteText
call InitMenuCursorAndButtonPermissions ; set up selection pointer
ld hl, w2DMenuFlags1
set 7, [hl]
ret
DrawVariableLengthMenuBox::
call CopyMenuData
call GetMenuIndexSet
call AutomaticGetMenuBottomCoord
call MenuBox
ret
MenuWriteText::
xor a
ldh [hBGMapMode], a
call GetMenuIndexSet ; sort out the text
call RunMenuItemPrintingFunction ; actually write it
call SafeUpdateSprites
ldh a, [hOAMUpdate]
push af
ld a, $1
ldh [hOAMUpdate], a
call ApplyTilemap
pop af
ldh [hOAMUpdate], a
ret
AutomaticGetMenuBottomCoord::
ld a, [wMenuBorderLeftCoord]
ld c, a
ld a, [wMenuBorderRightCoord]
sub c
ld c, a
ld a, [wMenuDataItems]
add a
inc a
ld b, a
ld a, [wMenuBorderTopCoord]
add b
ld [wMenuBorderBottomCoord], a
ret
GetMenuIndexSet::
ld hl, wMenuDataIndicesPointer
ld a, [hli]
ld h, [hl]
ld l, a
ld a, [wWhichIndexSet]
and a
jr z, .skip
ld b, a
ld c, -1
.loop
ld a, [hli]
cp c
jr nz, .loop
dec b
jr nz, .loop
.skip
ld d, h
ld e, l
ld a, [hl]
ld [wMenuDataItems], a
ret
RunMenuItemPrintingFunction::
call MenuBoxCoord2Tile
ld bc, 2 * SCREEN_WIDTH + 2
add hl, bc
.loop
inc de
ld a, [de]
cp -1
ret z
ld [wMenuSelection], a
push de
push hl
ld d, h
ld e, l
ld hl, wMenuDataDisplayFunctionPointer
call ._hl_
pop hl
ld de, 2 * SCREEN_WIDTH
add hl, de
pop de
jr .loop
._hl_
ld a, [hli]
ld h, [hl]
ld l, a
jp hl
InitMenuCursorAndButtonPermissions::
call InitVerticalMenuCursor
ld hl, wMenuJoypadFilter
ld a, [wMenuDataFlags]
bit 3, a
jr z, .disallow_select
set START_F, [hl]
.disallow_select
ld a, [wMenuDataFlags]
bit 2, a
jr z, .disallow_left_right
set D_LEFT_F, [hl]
set D_RIGHT_F, [hl]
.disallow_left_right
ret
GetScrollingMenuJoypad::
call ScrollingMenuJoypad
ld hl, wMenuJoypadFilter
and [hl]
jr ContinueGettingMenuJoypad
GetStaticMenuJoypad::
xor a
ld [wMenuJoypad], a
call StaticMenuJoypad
ContinueGettingMenuJoypad:
bit A_BUTTON_F, a
jr nz, .a_button
bit B_BUTTON_F, a
jr nz, .b_start
bit START_F, a
jr nz, .b_start
bit D_RIGHT_F, a
jr nz, .d_right
bit D_LEFT_F, a
jr nz, .d_left
xor a
ld [wMenuJoypad], a
jr .done
.d_right
ld a, D_RIGHT
ld [wMenuJoypad], a
jr .done
.d_left
ld a, D_LEFT
ld [wMenuJoypad], a
jr .done
.a_button
ld a, A_BUTTON
ld [wMenuJoypad], a
.done
call GetMenuIndexSet
ld a, [wMenuCursorY]
ld l, a
ld h, $0
add hl, de
ld a, [hl]
ld [wMenuSelection], a
ld a, [wMenuCursorY]
ld [wMenuCursorBuffer], a
and a
ret
.b_start
ld a, B_BUTTON
ld [wMenuJoypad], a
ld a, -1
ld [wMenuSelection], a
scf
ret
PlaceMenuStrings::
push de
ld hl, wMenuDataPointerTableAddr
ld a, [hli]
ld h, [hl]
ld l, a
ld a, [wMenuSelection]
call GetNthString
ld d, h
ld e, l
pop hl
call PlaceString
ret
PlaceNthMenuStrings::
push de
ld a, [wMenuSelection]
call GetMenuDataPointerTableEntry
inc hl
inc hl
ld a, [hli]
ld d, [hl]
ld e, a
pop hl
call PlaceString
ret
Unreferenced_Function1f9e::
call GetMenuDataPointerTableEntry
inc hl
inc hl
ld a, [hli]
ld d, [hl]
ld e, a
ret
MenuJumptable::
ld a, [wMenuSelection]
call GetMenuDataPointerTableEntry
ld a, [hli]
ld h, [hl]
ld l, a
jp hl
GetMenuDataPointerTableEntry::
ld e, a
ld d, $0
ld hl, wMenuDataPointerTableAddr
ld a, [hli]
ld h, [hl]
ld l, a
add hl, de
add hl, de
add hl, de
add hl, de
ret
ClearWindowData::
ld hl, wWindowStackPointer
call .bytefill
ld hl, wMenuHeader
call .bytefill
ld hl, wMenuDataFlags
call .bytefill
ld hl, w2DMenuCursorInitY
call .bytefill
ldh a, [rSVBK]
push af
ld a, BANK(wWindowStack)
ldh [rSVBK], a
xor a
ld hl, wWindowStackBottom
ld [hld], a
ld [hld], a
ld a, l
ld [wWindowStackPointer], a
ld a, h
ld [wWindowStackPointer + 1], a
pop af
ldh [rSVBK], a
ret
.bytefill
ld bc, $10
xor a
call ByteFill
ret
MenuClickSound::
push af
and A_BUTTON | B_BUTTON
jr z, .nosound
ld hl, wMenuFlags
bit 3, [hl]
jr nz, .nosound
call PlayClickSFX
.nosound
pop af
ret
PlayClickSFX::
push de
ld de, SFX_READ_TEXT_2
call PlaySFX
pop de
ret
MenuTextboxWaitButton::
call MenuTextbox
call WaitButton
call ExitMenu
ret
Place2DMenuItemName::
ldh [hBuffer], a
ldh a, [hROMBank]
push af
ldh a, [hBuffer]
rst Bankswitch
call PlaceString
pop af
rst Bankswitch
ret
_2DMenu::
ldh a, [hROMBank]
ld [wMenuData_2DMenuItemStringsBank], a
farcall _2DMenu_
ld a, [wMenuCursorBuffer]
ret
InterpretBattleMenu::
ldh a, [hROMBank]
ld [wMenuData_2DMenuItemStringsBank], a
farcall _InterpretBattleMenu
ld a, [wMenuCursorBuffer]
ret
InterpretMobileMenu::
ldh a, [hROMBank]
ld [wMenuData_2DMenuItemStringsBank], a
farcall _InterpretMobileMenu
ld a, [wMenuCursorBuffer]
ret

View File

@ -1,539 +0,0 @@
; Functions used in displaying and handling menus.
LoadMenuHeader::
call CopyMenuHeader
call PushWindow
ret
CopyMenuHeader::
ld de, wMenuHeader
ld bc, wMenuHeaderEnd - wMenuHeader
call CopyBytes
ldh a, [hROMBank]
ld [wMenuDataBank], a
ret
StoreTo_wMenuCursorBuffer::
ld [wMenuCursorBuffer], a
ret
MenuTextbox::
push hl
call LoadMenuTextbox
pop hl
jp PrintText
; unused
ret
LoadMenuTextbox::
ld hl, .MenuHeader
call LoadMenuHeader
ret
.MenuHeader:
db MENU_BACKUP_TILES ; flags
menu_coords 0, 12, SCREEN_WIDTH - 1, SCREEN_HEIGHT - 1
dw vTiles0
db 0 ; default option
MenuTextboxBackup::
call MenuTextbox
call CloseWindow
ret
LoadStandardMenuHeader::
ld hl, .MenuHeader
call LoadMenuHeader
ret
.MenuHeader:
db MENU_BACKUP_TILES ; flags
menu_coords 0, 0, SCREEN_WIDTH - 1, SCREEN_HEIGHT - 1
dw 0
db 1 ; default option
Call_ExitMenu::
call ExitMenu
ret
VerticalMenu::
xor a
ldh [hBGMapMode], a
call MenuBox
call UpdateSprites
call PlaceVerticalMenuItems
call ApplyTilemap
call CopyMenuData
ld a, [wMenuDataFlags]
bit 7, a
jr z, .cancel
call InitVerticalMenuCursor
call StaticMenuJoypad
call MenuClickSound
bit 1, a
jr z, .okay
.cancel
scf
ret
.okay
and a
ret
GetMenu2::
call LoadMenuHeader
call VerticalMenu
call CloseWindow
ld a, [wMenuCursorY]
ret
CopyNameFromMenu::
push hl
push bc
push af
ld hl, wMenuDataPointer
ld a, [hli]
ld h, [hl]
ld l, a
inc hl
inc hl
pop af
call GetNthString
ld d, h
ld e, l
call CopyName1
pop bc
pop hl
ret
YesNoBox::
lb bc, SCREEN_WIDTH - 6, 7
PlaceYesNoBox::
jr _YesNoBox
PlaceGenericTwoOptionBox::
call LoadMenuHeader
jr InterpretTwoOptionMenu
_YesNoBox::
; Return nc (yes) or c (no).
push bc
ld hl, YesNoMenuHeader
call CopyMenuHeader
pop bc
; This seems to be an overflow prevention, but
; it was coded wrong.
ld a, b
cp SCREEN_WIDTH - 6
jr nz, .okay ; should this be "jr nc"?
ld a, SCREEN_WIDTH - 6
ld b, a
.okay
ld a, b
ld [wMenuBorderLeftCoord], a
add 5
ld [wMenuBorderRightCoord], a
ld a, c
ld [wMenuBorderTopCoord], a
add 4
ld [wMenuBorderBottomCoord], a
call PushWindow
InterpretTwoOptionMenu::
call VerticalMenu
push af
ld c, $f
call DelayFrames
call CloseWindow
pop af
jr c, .no
ld a, [wMenuCursorY]
cp 2 ; no
jr z, .no
and a
ret
.no
ld a, 2
ld [wMenuCursorY], a
scf
ret
YesNoMenuHeader::
db MENU_BACKUP_TILES ; flags
menu_coords 10, 5, 15, 9
dw .MenuData
db 1 ; default option
.MenuData:
db STATICMENU_CURSOR | STATICMENU_NO_TOP_SPACING ; flags
db 2
db "YES@"
db "NO@"
OffsetMenuHeader::
call _OffsetMenuHeader
call PushWindow
ret
_OffsetMenuHeader::
push de
call CopyMenuHeader
pop de
ld a, [wMenuBorderLeftCoord]
ld h, a
ld a, [wMenuBorderRightCoord]
sub h
ld h, a
ld a, d
ld [wMenuBorderLeftCoord], a
add h
ld [wMenuBorderRightCoord], a
ld a, [wMenuBorderTopCoord]
ld l, a
ld a, [wMenuBorderBottomCoord]
sub l
ld l, a
ld a, e
ld [wMenuBorderTopCoord], a
add l
ld [wMenuBorderBottomCoord], a
ret
DoNthMenu::
call DrawVariableLengthMenuBox
call MenuWriteText
call InitMenuCursorAndButtonPermissions
call GetStaticMenuJoypad
call GetMenuJoypad
call MenuClickSound
ret
SetUpMenu::
call DrawVariableLengthMenuBox ; ???
call MenuWriteText
call InitMenuCursorAndButtonPermissions ; set up selection pointer
ld hl, w2DMenuFlags1
set 7, [hl]
ret
DrawVariableLengthMenuBox::
call CopyMenuData
call GetMenuIndexSet
call AutomaticGetMenuBottomCoord
call MenuBox
ret
MenuWriteText::
xor a
ldh [hBGMapMode], a
call GetMenuIndexSet ; sort out the text
call RunMenuItemPrintingFunction ; actually write it
call SafeUpdateSprites
ldh a, [hOAMUpdate]
push af
ld a, $1
ldh [hOAMUpdate], a
call ApplyTilemap
pop af
ldh [hOAMUpdate], a
ret
AutomaticGetMenuBottomCoord::
ld a, [wMenuBorderLeftCoord]
ld c, a
ld a, [wMenuBorderRightCoord]
sub c
ld c, a
ld a, [wMenuDataItems]
add a
inc a
ld b, a
ld a, [wMenuBorderTopCoord]
add b
ld [wMenuBorderBottomCoord], a
ret
GetMenuIndexSet::
ld hl, wMenuDataIndicesPointer
ld a, [hli]
ld h, [hl]
ld l, a
ld a, [wWhichIndexSet]
and a
jr z, .skip
ld b, a
ld c, -1
.loop
ld a, [hli]
cp c
jr nz, .loop
dec b
jr nz, .loop
.skip
ld d, h
ld e, l
ld a, [hl]
ld [wMenuDataItems], a
ret
RunMenuItemPrintingFunction::
call MenuBoxCoord2Tile
ld bc, 2 * SCREEN_WIDTH + 2
add hl, bc
.loop
inc de
ld a, [de]
cp -1
ret z
ld [wMenuSelection], a
push de
push hl
ld d, h
ld e, l
ld hl, wMenuDataDisplayFunctionPointer
call ._hl_
pop hl
ld de, 2 * SCREEN_WIDTH
add hl, de
pop de
jr .loop
._hl_
ld a, [hli]
ld h, [hl]
ld l, a
jp hl
InitMenuCursorAndButtonPermissions::
call InitVerticalMenuCursor
ld hl, wMenuJoypadFilter
ld a, [wMenuDataFlags]
bit 3, a
jr z, .disallow_select
set START_F, [hl]
.disallow_select
ld a, [wMenuDataFlags]
bit 2, a
jr z, .disallow_left_right
set D_LEFT_F, [hl]
set D_RIGHT_F, [hl]
.disallow_left_right
ret
GetScrollingMenuJoypad::
call ScrollingMenuJoypad
ld hl, wMenuJoypadFilter
and [hl]
jr ContinueGettingMenuJoypad
GetStaticMenuJoypad::
xor a
ld [wMenuJoypad], a
call StaticMenuJoypad
ContinueGettingMenuJoypad:
bit A_BUTTON_F, a
jr nz, .a_button
bit B_BUTTON_F, a
jr nz, .b_start
bit START_F, a
jr nz, .b_start
bit D_RIGHT_F, a
jr nz, .d_right
bit D_LEFT_F, a
jr nz, .d_left
xor a
ld [wMenuJoypad], a
jr .done
.d_right
ld a, D_RIGHT
ld [wMenuJoypad], a
jr .done
.d_left
ld a, D_LEFT
ld [wMenuJoypad], a
jr .done
.a_button
ld a, A_BUTTON
ld [wMenuJoypad], a
.done
call GetMenuIndexSet
ld a, [wMenuCursorY]
ld l, a
ld h, $0
add hl, de
ld a, [hl]
ld [wMenuSelection], a
ld a, [wMenuCursorY]
ld [wMenuCursorBuffer], a
and a
ret
.b_start
ld a, B_BUTTON
ld [wMenuJoypad], a
ld a, -1
ld [wMenuSelection], a
scf
ret
PlaceMenuStrings::
push de
ld hl, wMenuDataPointerTableAddr
ld a, [hli]
ld h, [hl]
ld l, a
ld a, [wMenuSelection]
call GetNthString
ld d, h
ld e, l
pop hl
call PlaceString
ret
PlaceNthMenuStrings::
push de
ld a, [wMenuSelection]
call GetMenuDataPointerTableEntry
inc hl
inc hl
ld a, [hli]
ld d, [hl]
ld e, a
pop hl
call PlaceString
ret
Unreferenced_Function1f9e::
call GetMenuDataPointerTableEntry
inc hl
inc hl
ld a, [hli]
ld d, [hl]
ld e, a
ret
MenuJumptable::
ld a, [wMenuSelection]
call GetMenuDataPointerTableEntry
ld a, [hli]
ld h, [hl]
ld l, a
jp hl
GetMenuDataPointerTableEntry::
ld e, a
ld d, $0
ld hl, wMenuDataPointerTableAddr
ld a, [hli]
ld h, [hl]
ld l, a
add hl, de
add hl, de
add hl, de
add hl, de
ret
ClearWindowData::
ld hl, wWindowStackPointer
call .bytefill
ld hl, wMenuHeader
call .bytefill
ld hl, wMenuDataFlags
call .bytefill
ld hl, w2DMenuCursorInitY
call .bytefill
ldh a, [rSVBK]
push af
ld a, BANK(wWindowStack)
ldh [rSVBK], a
xor a
ld hl, wWindowStackBottom
ld [hld], a
ld [hld], a
ld a, l
ld [wWindowStackPointer], a
ld a, h
ld [wWindowStackPointer + 1], a
pop af
ldh [rSVBK], a
ret
.bytefill
ld bc, $10
xor a
call ByteFill
ret
MenuClickSound::
push af
and A_BUTTON | B_BUTTON
jr z, .nosound
ld hl, wMenuFlags
bit 3, [hl]
jr nz, .nosound
call PlayClickSFX
.nosound
pop af
ret
PlayClickSFX::
push de
ld de, SFX_READ_TEXT_2
call PlaySFX
pop de
ret
MenuTextboxWaitButton::
call MenuTextbox
call WaitButton
call ExitMenu
ret
Place2DMenuItemName::
ldh [hBuffer], a
ldh a, [hROMBank]
push af
ldh a, [hBuffer]
rst Bankswitch
call PlaceString
pop af
rst Bankswitch
ret
_2DMenu::
ldh a, [hROMBank]
ld [wMenuData_2DMenuItemStringsBank], a
farcall _2DMenu_
ld a, [wMenuCursorBuffer]
ret
InterpretBattleMenu::
ldh a, [hROMBank]
ld [wMenuData_2DMenuItemStringsBank], a
farcall _InterpretBattleMenu
ld a, [wMenuCursorBuffer]
ret
InterpretMobileMenu::
ldh a, [hROMBank]
ld [wMenuData_2DMenuItemStringsBank], a
farcall _InterpretMobileMenu
ld a, [wMenuCursorBuffer]
ret

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@ -1,242 +0,0 @@
PushWindow::
callfar _PushWindow
ret
ExitMenu::
push af
callfar _ExitMenu
pop af
ret
InitVerticalMenuCursor::
callfar _InitVerticalMenuCursor
ret
CloseWindow::
push af
call ExitMenu
call ApplyTilemap
call UpdateSprites
pop af
ret
RestoreTileBackup::
call MenuBoxCoord2Tile
call .copy
call MenuBoxCoord2Attr
call .copy
ret
.copy
call GetMenuBoxDims
inc b
inc c
.row
push bc
push hl
.col
ld a, [de]
ld [hli], a
dec de
dec c
jr nz, .col
pop hl
ld bc, SCREEN_WIDTH
add hl, bc
pop bc
dec b
jr nz, .row
ret
PopWindow::
ld b, $10
ld de, wMenuFlags
.loop
ld a, [hld]
ld [de], a
inc de
dec b
jr nz, .loop
ret
GetMenuBoxDims::
ld a, [wMenuBorderTopCoord] ; top
ld b, a
ld a, [wMenuBorderBottomCoord] ; bottom
sub b
ld b, a
ld a, [wMenuBorderLeftCoord] ; left
ld c, a
ld a, [wMenuBorderRightCoord] ; right
sub c
ld c, a
ret
CopyMenuData::
push hl
push de
push bc
push af
ld hl, wMenuDataPointer
ld a, [hli]
ld h, [hl]
ld l, a
ld de, wMenuDataFlags
ld bc, wMenuDataEnd - wMenuDataFlags
call CopyBytes
pop af
pop bc
pop de
pop hl
ret
GetWindowStackTop::
ld hl, wWindowStackPointer
ld a, [hli]
ld h, [hl]
ld l, a
inc hl
ld a, [hli]
ld h, [hl]
ld l, a
ret
PlaceVerticalMenuItems::
call CopyMenuData
ld hl, wMenuDataPointer
ld e, [hl]
inc hl
ld d, [hl]
call GetMenuTextStartCoord
call Coord2Tile ; hl now contains the tilemap address where we will start printing text.
inc de
ld a, [de] ; Number of items
inc de
ld b, a
.loop
push bc
call PlaceString
inc de
ld bc, 2 * SCREEN_WIDTH
add hl, bc
pop bc
dec b
jr nz, .loop
ld a, [wMenuDataFlags]
bit 4, a
ret z
call MenuBoxCoord2Tile
ld a, [de]
ld c, a
inc de
ld b, $0
add hl, bc
jp PlaceString
MenuBox::
call MenuBoxCoord2Tile
call GetMenuBoxDims
dec b
dec c
jp Textbox
GetMenuTextStartCoord::
ld a, [wMenuBorderTopCoord]
ld b, a
inc b
ld a, [wMenuBorderLeftCoord]
ld c, a
inc c
; bit 6: if not set, leave extra room on top
ld a, [wMenuDataFlags]
bit 6, a
jr nz, .bit_6_set
inc b
.bit_6_set
; bit 7: if set, leave extra room on the left
ld a, [wMenuDataFlags]
bit 7, a
jr z, .bit_7_clear
inc c
.bit_7_clear
ret
ClearMenuBoxInterior::
call MenuBoxCoord2Tile
ld bc, SCREEN_WIDTH + 1
add hl, bc
call GetMenuBoxDims
dec b
dec c
call ClearBox
ret
ClearWholeMenuBox::
call MenuBoxCoord2Tile
call GetMenuBoxDims
inc c
inc b
call ClearBox
ret
MenuBoxCoord2Tile::
ld a, [wMenuBorderLeftCoord]
ld c, a
ld a, [wMenuBorderTopCoord]
ld b, a
Coord2Tile::
; Return the address of wTilemap(c, b) in hl.
xor a
ld h, a
ld l, b
ld a, c
ld b, h
ld c, l
add hl, hl
add hl, hl
add hl, bc
add hl, hl
add hl, hl
ld c, a
xor a
ld b, a
add hl, bc
bccoord 0, 0
add hl, bc
ret
MenuBoxCoord2Attr::
ld a, [wMenuBorderLeftCoord]
ld c, a
ld a, [wMenuBorderTopCoord]
ld b, a
Coord2Attr::
; Return the address of wAttrmap(c, b) in hl.
xor a
ld h, a
ld l, b
ld a, c
ld b, h
ld c, l
add hl, hl
add hl, hl
add hl, bc
add hl, hl
add hl, hl
ld c, a
xor a
ld b, a
add hl, bc
bccoord 0, 0, wAttrmap
add hl, bc
ret

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@ -1,87 +0,0 @@
Unreferenced_GetNthMove::
ld hl, wListMoves_MoveIndicesBuffer
ld c, a
ld b, 0
add hl, bc
ld a, [hl]
ret
GetBaseData::
push bc
push de
push hl
ldh a, [hROMBank]
push af
ld a, BANK(BaseData)
rst Bankswitch
; Egg doesn't have BaseData
ld a, [wCurSpecies]
cp EGG
jr z, .egg
; Get BaseData
dec a
ld bc, BASE_DATA_SIZE
ld hl, BaseData
call AddNTimes
ld de, wCurBaseData
ld bc, BASE_DATA_SIZE
call CopyBytes
jr .end
.egg
ld de, UnknownEggPic
; Sprite dimensions
ld b, $55 ; 5x5
ld hl, wBasePicSize
ld [hl], b
; Beta front and back sprites
; (see pokegold-spaceworld's data/pokemon/base_stats/*)
ld hl, wBaseUnusedFrontpic
ld [hl], e
inc hl
ld [hl], d
inc hl
ld [hl], e
inc hl
ld [hl], d
jr .end ; useless
.end
; Replace Pokedex # with species
ld a, [wCurSpecies]
ld [wBaseDexNo], a
pop af
rst Bankswitch
pop hl
pop de
pop bc
ret
GetCurNick::
ld a, [wCurPartyMon]
ld hl, wPartyMonNicknames
GetNick::
; Get nickname a from list hl.
push hl
push bc
call SkipNames
ld de, wStringBuffer1
push de
ld bc, MON_NAME_LENGTH
call CopyBytes
pop de
callfar CorrectNickErrors
pop bc
pop hl
ret

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@ -1,34 +0,0 @@
GetPartyParamLocation::
; Get the location of parameter a from wCurPartyMon in hl
push bc
ld hl, wPartyMons
ld c, a
ld b, 0
add hl, bc
ld a, [wCurPartyMon]
call GetPartyLocation
pop bc
ret
GetPartyLocation::
; Add the length of a PartyMon struct to hl a times.
ld bc, PARTYMON_STRUCT_LENGTH
jp AddNTimes
Unreferenced_GetDexNumber::
; Probably used in gen 1 to convert index number to dex number
; Not required in gen 2 because index number == dex number
push hl
ld a, b
dec a
ld b, 0
add hl, bc
ld hl, BaseData + BASE_DEX_NO
ld bc, BASE_DATA_SIZE
call AddNTimes
ld a, BANK(BaseData)
call GetFarHalfword
ld b, l
ld c, h
pop hl
ret

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@ -1,104 +0,0 @@
IsAPokemon::
; Return carry if species a is not a Pokemon.
and a
jr z, .NotAPokemon
cp EGG
jr z, .Pokemon
cp NUM_POKEMON + 1
jr c, .Pokemon
.NotAPokemon:
scf
ret
.Pokemon:
and a
ret
DrawBattleHPBar::
; Draw an HP bar d tiles long at hl
; Fill it up to e pixels
push hl
push de
push bc
; Place 'HP:'
ld a, $60
ld [hli], a
ld a, $61
ld [hli], a
; Draw a template
push hl
ld a, $62 ; empty bar
.template
ld [hli], a
dec d
jr nz, .template
ld a, $6b ; bar end
add b
ld [hl], a
pop hl
; Safety check # pixels
ld a, e
and a
jr nz, .fill
ld a, c
and a
jr z, .done
ld e, 1
.fill
; Keep drawing tiles until pixel length is reached
ld a, e
sub TILE_WIDTH
jr c, .lastbar
ld e, a
ld a, $6a ; full bar
ld [hli], a
ld a, e
and a
jr z, .done
jr .fill
.lastbar
ld a, $62 ; empty bar
add e ; + e
ld [hl], a
.done
pop bc
pop de
pop hl
ret
PrepMonFrontpic::
ld a, $1
ld [wBoxAlignment], a
_PrepMonFrontpic::
ld a, [wCurPartySpecies]
call IsAPokemon
jr c, .not_pokemon
push hl
ld de, vTiles2
predef GetMonFrontpic
pop hl
xor a
ldh [hGraphicStartTile], a
lb bc, 7, 7
predef PlaceGraphic
xor a
ld [wBoxAlignment], a
ret
.not_pokemon
xor a
ld [wBoxAlignment], a
inc a
ld [wCurPartySpecies], a
ret

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@ -1,3 +1,35 @@
CountSetBits::
; Count the number of set bits in b bytes starting from hl.
; Return in a, c and [wNumSetBits].
ld c, 0
.next
ld a, [hli]
ld e, a
ld d, 8
.count
srl e
ld a, 0
adc c
ld c, a
dec d
jr nz, .count
dec b
jr nz, .next
ld a, c
ld [wNumSetBits], a
ret
GetWeekday::
ld a, [wCurDay]
.mod
sub 7
jr nc, .mod
add 7
ret
SetSeenAndCaughtMon::
push af
ld c, a

323
home/pokemon.asm Normal file
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@ -0,0 +1,323 @@
IsAPokemon::
; Return carry if species a is not a Pokemon.
and a
jr z, .NotAPokemon
cp EGG
jr z, .Pokemon
cp NUM_POKEMON + 1
jr c, .Pokemon
.NotAPokemon:
scf
ret
.Pokemon:
and a
ret
DrawBattleHPBar::
; Draw an HP bar d tiles long at hl
; Fill it up to e pixels
push hl
push de
push bc
; Place 'HP:'
ld a, $60
ld [hli], a
ld a, $61
ld [hli], a
; Draw a template
push hl
ld a, $62 ; empty bar
.template
ld [hli], a
dec d
jr nz, .template
ld a, $6b ; bar end
add b
ld [hl], a
pop hl
; Safety check # pixels
ld a, e
and a
jr nz, .fill
ld a, c
and a
jr z, .done
ld e, 1
.fill
; Keep drawing tiles until pixel length is reached
ld a, e
sub TILE_WIDTH
jr c, .lastbar
ld e, a
ld a, $6a ; full bar
ld [hli], a
ld a, e
and a
jr z, .done
jr .fill
.lastbar
ld a, $62 ; empty bar
add e ; + e
ld [hl], a
.done
pop bc
pop de
pop hl
ret
PrepMonFrontpic::
ld a, $1
ld [wBoxAlignment], a
_PrepMonFrontpic::
ld a, [wCurPartySpecies]
call IsAPokemon
jr c, .not_pokemon
push hl
ld de, vTiles2
predef GetMonFrontpic
pop hl
xor a
ldh [hGraphicStartTile], a
lb bc, 7, 7
predef PlaceGraphic
xor a
ld [wBoxAlignment], a
ret
.not_pokemon
xor a
ld [wBoxAlignment], a
inc a
ld [wCurPartySpecies], a
ret
PlayStereoCry::
push af
ld a, 1
ld [wStereoPanningMask], a
pop af
call _PlayMonCry
call WaitSFX
ret
PlayStereoCry2::
; Don't wait for the cry to end.
; Used during pic animations.
push af
ld a, 1
ld [wStereoPanningMask], a
pop af
jp _PlayMonCry
PlayMonCry::
call PlayMonCry2
call WaitSFX
ret
PlayMonCry2::
; Don't wait for the cry to end.
push af
xor a
ld [wStereoPanningMask], a
ld [wCryTracks], a
pop af
call _PlayMonCry
ret
_PlayMonCry::
push hl
push de
push bc
call GetCryIndex
jr c, .done
ld e, c
ld d, b
call PlayCry
.done
pop bc
pop de
pop hl
ret
LoadCry::
; Load cry bc.
call GetCryIndex
ret c
ldh a, [hROMBank]
push af
ld a, BANK(PokemonCries)
rst Bankswitch
ld hl, PokemonCries
rept 6 ; sizeof(mon_cry)
add hl, bc
endr
ld e, [hl]
inc hl
ld d, [hl]
inc hl
ld a, [hli]
ld [wCryPitch], a
ld a, [hli]
ld [wCryPitch + 1], a
ld a, [hli]
ld [wCryLength], a
ld a, [hl]
ld [wCryLength + 1], a
pop af
rst Bankswitch
and a
ret
GetCryIndex::
and a
jr z, .no
cp NUM_POKEMON + 1
jr nc, .no
dec a
ld c, a
ld b, 0
and a
ret
.no
scf
ret
PrintLevel::
; Print wTempMonLevel at hl
ld a, [wTempMonLevel]
ld [hl], "<LV>"
inc hl
; How many digits?
ld c, 2
cp 100 ; This is distinct from MAX_LEVEL.
jr c, Print8BitNumLeftAlign
; 3-digit numbers overwrite the :L.
dec hl
inc c
jr Print8BitNumLeftAlign
PrintLevel_Force3Digits::
; Print :L and all 3 digits
ld [hl], "<LV>"
inc hl
ld c, 3
Print8BitNumLeftAlign::
ld [wDeciramBuffer], a
ld de, wDeciramBuffer
ld b, PRINTNUM_LEFTALIGN | 1
jp PrintNum
Unreferenced_GetNthMove::
ld hl, wListMoves_MoveIndicesBuffer
ld c, a
ld b, 0
add hl, bc
ld a, [hl]
ret
GetBaseData::
push bc
push de
push hl
ldh a, [hROMBank]
push af
ld a, BANK(BaseData)
rst Bankswitch
; Egg doesn't have BaseData
ld a, [wCurSpecies]
cp EGG
jr z, .egg
; Get BaseData
dec a
ld bc, BASE_DATA_SIZE
ld hl, BaseData
call AddNTimes
ld de, wCurBaseData
ld bc, BASE_DATA_SIZE
call CopyBytes
jr .end
.egg
ld de, UnknownEggPic
; Sprite dimensions
ld b, $55 ; 5x5
ld hl, wBasePicSize
ld [hl], b
; Beta front and back sprites
; (see pokegold-spaceworld's data/pokemon/base_stats/*)
ld hl, wBaseUnusedFrontpic
ld [hl], e
inc hl
ld [hl], d
inc hl
ld [hl], e
inc hl
ld [hl], d
jr .end ; useless
.end
; Replace Pokedex # with species
ld a, [wCurSpecies]
ld [wBaseDexNo], a
pop af
rst Bankswitch
pop hl
pop de
pop bc
ret
GetCurNick::
ld a, [wCurPartyMon]
ld hl, wPartyMonNicknames
GetNick::
; Get nickname a from list hl.
push hl
push bc
call SkipNames
ld de, wStringBuffer1
push de
ld bc, MON_NAME_LENGTH
call CopyBytes
pop de
callfar CorrectNickErrors
pop bc
pop hl
ret

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@ -1,28 +0,0 @@
PrintLevel::
; Print wTempMonLevel at hl
ld a, [wTempMonLevel]
ld [hl], "<LV>"
inc hl
; How many digits?
ld c, 2
cp 100 ; This is distinct from MAX_LEVEL.
jr c, Print8BitNumLeftAlign
; 3-digit numbers overwrite the :L.
dec hl
inc c
jr Print8BitNumLeftAlign
PrintLevel_Force3Digits::
; Print :L and all 3 digits
ld [hl], "<LV>"
inc hl
ld c, 3
Print8BitNumLeftAlign::
ld [wDeciramBuffer], a
ld de, wDeciramBuffer
ld b, PRINTNUM_LEFTALIGN | 1
jp PrintNum

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@ -118,3 +118,20 @@ FarPrintText::
pop af
rst Bankswitch
ret
CallPointerAt::
ldh a, [hROMBank]
push af
ld a, [hli]
rst Bankswitch
ld a, [hli]
ld h, [hl]
ld l, a
call _hl_
pop hl
ld a, h
rst Bankswitch
ret

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@ -30,3 +30,6 @@ IsInJohto::
.Kanto:
ld a, 1
ret
ret_2f3e::
ret

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@ -1,35 +0,0 @@
; rst vectors
SECTION "rst0", ROM0
di
jp Start
SECTION "rst8", ROM0 ; rst FarCall
jp FarCall_hl
SECTION "rst10", ROM0 ; rst Bankswitch
ldh [hROMBank], a
ld [MBC3RomBank], a
ret
SECTION "rst18", ROM0
rst $38
SECTION "rst20", ROM0
rst $38
SECTION "rst28", ROM0 ; rst JumpTable
push de
ld e, a
ld d, 0
add hl, de
add hl, de
ld a, [hli]
ld h, [hl]
; SECTION "rst30", ROM0
ld l, a
pop de
jp hl
SECTION "rst38", ROM0
rst $38

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@ -1,22 +1,3 @@
PushLYOverrides::
ldh a, [hLCDCPointer]
and a
ret z
ld a, LOW(wLYOverridesBackup)
ld [wRequested2bppSource], a
ld a, HIGH(wLYOverridesBackup)
ld [wRequested2bppSource + 1], a
ld a, LOW(wLYOverrides)
ld [wRequested2bppDest], a
ld a, HIGH(wLYOverrides)
ld [wRequested2bppDest + 1], a
ld a, (wLYOverridesEnd - wLYOverrides) / 16
ld [wRequested2bpp], a
ret
InitSpriteAnimStruct::
ld [wSpriteAnimIDBuffer], a
ldh a, [hROMBank]

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@ -216,3 +216,21 @@ GetSGBLayout::
.sgb
predef_jump LoadSGBLayout
SetHPPal::
; Set palette for hp bar pixel length e at hl.
call GetHPPal
ld [hl], d
ret
GetHPPal::
; Get palette for hp bar pixel length e in d.
ld d, HP_GREEN
ld a, e
cp (HP_BAR_LENGTH_PX * 50 / 100) ; 24
ret nc
inc d ; HP_YELLOW
cp (HP_BAR_LENGTH_PX * 21 / 100) ; 10
ret nc
inc d ; HP_RED
ret

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@ -131,7 +131,7 @@ VBlank0::
ld [wTextDelayFrames], a
.ok2
call Joypad
call UpdateJoypad
ld a, BANK(_UpdateSound)
rst Bankswitch
@ -325,7 +325,7 @@ VBlank4::
call hTransferVirtualOAM
call Joypad
call UpdateJoypad
xor a
ld [wVBlankOccurred], a
@ -364,7 +364,7 @@ VBlank5::
xor a
ld [wVBlankOccurred], a
call Joypad
call UpdateJoypad
xor a
ldh [rIF], a