mirror of
https://gitlab.com/xCrystal/pokecrystal-board.git
synced 2024-09-09 09:51:34 -07:00
constants for rSTAT register
This commit is contained in:
parent
4dec74b770
commit
4ee4655e72
@ -131,6 +131,17 @@ DEF rLCDC_WINDOW_TILEMAP EQU 6 ; 0=9800-9BFF, 1=9C00-9FFF
|
|||||||
DEF rLCDC_ENABLE EQU 7 ; 0=Off, 1=On
|
DEF rLCDC_ENABLE EQU 7 ; 0=Off, 1=On
|
||||||
DEF LCDC_DEFAULT EQU (1 << rLCDC_ENABLE) | (1 << rLCDC_WINDOW_TILEMAP) | (1 << rLCDC_WINDOW_ENABLE) | (1 << rLCDC_SPRITES_ENABLE) | (1 << rLCDC_BG_PRIORITY)
|
DEF LCDC_DEFAULT EQU (1 << rLCDC_ENABLE) | (1 << rLCDC_WINDOW_TILEMAP) | (1 << rLCDC_WINDOW_ENABLE) | (1 << rLCDC_SPRITES_ENABLE) | (1 << rLCDC_BG_PRIORITY)
|
||||||
DEF rSTAT EQU $ff41 ; LCDC Status (R/W)
|
DEF rSTAT EQU $ff41 ; LCDC Status (R/W)
|
||||||
|
DEF rSTAT_STATUS_FLAGS EQU %00000011 ; LCD controller status (Read Only)
|
||||||
|
DEF rSTAT_HBLANK_MASK EQU %00000000 ; In H-Blank (Read Only)
|
||||||
|
DEF rSTAT_VBLANK_MASK EQU %00000001 ; In V-Blank (Read Only)
|
||||||
|
DEF rSTAT_OAM_MASK EQU %00000010 ; OAM is used by system (Read Only)
|
||||||
|
DEF rSTAT_LCD_MASK EQU %00000011 ; Both OAM and VRAM used by system (Read Only)
|
||||||
|
DEF rSTAT_BUSY EQU 1 ; When set, VRAM access is unsafe (Read Only)
|
||||||
|
DEF rSTAT_LYC EQU 2 ; LYC=LY (0=Different, 1=Equal) (Read Only)
|
||||||
|
DEF rSTAT_INT_HBLANK EQU 3 ; Mode 00: H-Blank (Selectable)
|
||||||
|
DEF rSTAT_INT_VBLANK EQU 4 ; Mode 01: V-Blank (Selectable)
|
||||||
|
DEF rSTAT_INT_OAM EQU 5 ; Mode 02: OAM (Selectable)
|
||||||
|
DEF rSTAT_INT_LYC EQU 6 ; LYC=LY Coincidence (Selectable)
|
||||||
DEF rSCY EQU $ff42 ; Scroll Y (R/W)
|
DEF rSCY EQU $ff42 ; Scroll Y (R/W)
|
||||||
DEF rSCX EQU $ff43 ; Scroll X (R/W)
|
DEF rSCX EQU $ff43 ; Scroll X (R/W)
|
||||||
DEF rLY EQU $ff44 ; LCDC Y-Coordinate (R)
|
DEF rLY EQU $ff44 ; LCDC Y-Coordinate (R)
|
||||||
|
@ -194,7 +194,7 @@ HDMATransfer_NoDI:
|
|||||||
; while not [rSTAT] & 3: pass
|
; while not [rSTAT] & 3: pass
|
||||||
.loop2
|
.loop2
|
||||||
ldh a, [rSTAT]
|
ldh a, [rSTAT]
|
||||||
and $3
|
and rSTAT_STATUS_FLAGS
|
||||||
jr z, .loop2
|
jr z, .loop2
|
||||||
; load the 5th byte of HDMA
|
; load the 5th byte of HDMA
|
||||||
ld a, b
|
ld a, b
|
||||||
@ -253,12 +253,12 @@ _continue_HDMATransfer:
|
|||||||
; while [rSTAT] & 3: pass
|
; while [rSTAT] & 3: pass
|
||||||
.rstat_loop_1
|
.rstat_loop_1
|
||||||
ldh a, [rSTAT]
|
ldh a, [rSTAT]
|
||||||
and $3
|
and rSTAT_STATUS_FLAGS
|
||||||
jr nz, .rstat_loop_1
|
jr nz, .rstat_loop_1
|
||||||
; while not [rSTAT] & 3: pass
|
; while not [rSTAT] & 3: pass
|
||||||
.rstat_loop_2
|
.rstat_loop_2
|
||||||
ldh a, [rSTAT]
|
ldh a, [rSTAT]
|
||||||
and $3
|
and rSTAT_STATUS_FLAGS
|
||||||
jr z, .rstat_loop_2
|
jr z, .rstat_loop_2
|
||||||
; load the 5th byte of HDMA
|
; load the 5th byte of HDMA
|
||||||
ld a, e
|
ld a, e
|
||||||
|
@ -47,7 +47,7 @@ SaveMenu_CopyTilemapAtOnce:
|
|||||||
ld l, 0
|
ld l, 0
|
||||||
ld a, SCREEN_HEIGHT
|
ld a, SCREEN_HEIGHT
|
||||||
ldh [hTilesPerCycle], a
|
ldh [hTilesPerCycle], a
|
||||||
ld b, 1 << 1 ; not in v/hblank
|
ld b, 1 << rSTAT_BUSY ; not in v/hblank
|
||||||
ld c, LOW(rSTAT)
|
ld c, LOW(rSTAT)
|
||||||
|
|
||||||
.loop
|
.loop
|
||||||
|
@ -51,7 +51,7 @@ PhoneRing_CopyTilemapAtOnce:
|
|||||||
ld l, 0
|
ld l, 0
|
||||||
ld a, SCREEN_HEIGHT
|
ld a, SCREEN_HEIGHT
|
||||||
ldh [hTilesPerCycle], a
|
ldh [hTilesPerCycle], a
|
||||||
ld b, 1 << 1 ; not in v/hblank
|
ld b, 1 << rSTAT_BUSY ; not in v/hblank
|
||||||
ld c, LOW(rSTAT)
|
ld c, LOW(rSTAT)
|
||||||
|
|
||||||
.loop
|
.loop
|
||||||
|
@ -108,7 +108,7 @@ Init::
|
|||||||
ldh [hSCY], a
|
ldh [hSCY], a
|
||||||
ldh [rJOYP], a
|
ldh [rJOYP], a
|
||||||
|
|
||||||
ld a, $8 ; HBlank int enable
|
ld a, 1 << rSTAT_INT_HBLANK
|
||||||
ldh [rSTAT], a
|
ldh [rSTAT], a
|
||||||
|
|
||||||
ld a, $90
|
ld a, $90
|
||||||
|
Loading…
Reference in New Issue
Block a user