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hQuotient is a four-byte buffer (fixes #558)

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This commit is contained in:
Rangi 2018-08-26 13:49:38 -04:00
parent cb32c895e4
commit 557ce82073
22 changed files with 107 additions and 110 deletions
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4
engine/battle/ai/items.asm
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@ -763,9 +763,9 @@ Function3851e: ; This appears to be unused
ldh [hDividend + 1], a
ld b, 2
call Divide
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
ld c, a
ldh a, [hQuotient + 1]
ldh a, [hQuotient + 2]
ld b, a
ld hl, wEnemyMonHP + 1
ld a, [hld]

60
engine/battle/core.asm
View File

@ -3715,23 +3715,23 @@ TryToRunAwayFromBattle:
inc a
ld [wNumFleeAttempts], a
ld a, [hli]
ldh [hPartyMon1Speed + 0], a
ldh [hMultiplicand + 1], a
ld a, [hl]
ldh [hPartyMon1Speed + 1], a
ldh [hMultiplicand + 2], a
ld a, [de]
inc de
ldh [hEnemyMonSpeed + 0], a
ld a, [de]
ldh [hEnemyMonSpeed + 1], a
call Call_LoadTempTileMapToTileMap
ld de, hPartyMon1Speed
ld de, hMultiplicand + 1
ld hl, hEnemyMonSpeed
ld c, 2
call CompareBytes
jr nc, .can_escape
xor a
ldh [hMultiplicand], a
ldh [hMultiplicand + 0], a
ld a, 32
ldh [hMultiplier], a
call Multiply
@ -3751,7 +3751,7 @@ TryToRunAwayFromBattle:
ldh [hDivisor], a
ld b, 2
call Divide
ldh a, [hQuotient + 1]
ldh a, [hQuotient + 2]
and a
jr nz, .can_escape
ld a, [wNumFleeAttempts]
@ -3760,16 +3760,16 @@ TryToRunAwayFromBattle:
dec c
jr z, .cant_escape_2
ld b, 30
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
add b
ldh [hQuotient + 2], a
ldh [hQuotient + 3], a
jr c, .can_escape
jr .loop
.cant_escape_2
call BattleRandom
ld b, a
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
cp b
jr nc, .can_escape
ld a, BATTLEPLAYERACTION_USEITEM
@ -4787,7 +4787,7 @@ DrawEnemyHUD:
.not_fainted
xor a
ldh [hMultiplicand], a
ldh [hMultiplicand + 0], a
ld a, HP_BAR_LENGTH_PX
ldh [hMultiplier], a
call Multiply
@ -4824,7 +4824,7 @@ DrawEnemyHUD:
ld a, 2
ld b, a
call Divide
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
ld e, a
ld a, HP_BAR_LENGTH
ld d, a
@ -6723,22 +6723,22 @@ ApplyStatLevelMultiplier:
pop hl
; Cap at 999.
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
sub LOW(MAX_STAT_VALUE)
ldh a, [hQuotient + 1]
ldh a, [hQuotient + 2]
sbc HIGH(MAX_STAT_VALUE)
jp c, .okay3
ld a, HIGH(MAX_STAT_VALUE)
ldh [hQuotient + 1], a
ld a, LOW(MAX_STAT_VALUE)
ldh [hQuotient + 2], a
ld a, LOW(MAX_STAT_VALUE)
ldh [hQuotient + 3], a
.okay3
ldh a, [hQuotient + 1]
ldh a, [hQuotient + 2]
ld [hli], a
ld b, a
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
ld [hl], a
or b
jr nz, .okay4
@ -7095,9 +7095,9 @@ GiveExperiencePoints:
ld a, [hl]
cp LUCKY_EGG
call z, BoostExp
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
ld [wStringBuffer2 + 1], a
ldh a, [hQuotient + 1]
ldh a, [hQuotient + 2]
ld [wStringBuffer2], a
ld a, [wCurPartyMon]
ld hl, wPartyMonNicknames
@ -7105,9 +7105,9 @@ GiveExperiencePoints:
ld hl, Text_MonGainedExpPoint
call BattleTextBox
ld a, [wStringBuffer2 + 1]
ldh [hQuotient + 2], a
ldh [hQuotient + 3], a
ld a, [wStringBuffer2]
ldh [hQuotient + 1], a
ldh [hQuotient + 2], a
pop bc
call AnimateExpBar
push bc
@ -7116,11 +7116,11 @@ GiveExperiencePoints:
ld hl, MON_EXP + 2
add hl, bc
ld d, [hl]
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
add d
ld [hld], a
ld d, [hl]
ldh a, [hQuotient + 1]
ldh a, [hQuotient + 2]
adc d
ld [hl], a
jr nc, .skip2
@ -7148,11 +7148,11 @@ GiveExperiencePoints:
ld hl, MON_EXP + 2
add hl, bc
push bc
ldh a, [hQuotient]
ld b, a
ldh a, [hQuotient + 1]
ld c, a
ld b, a
ldh a, [hQuotient + 2]
ld c, a
ldh a, [hQuotient + 3]
ld d, a
ld a, [hld]
sub d
@ -7371,7 +7371,7 @@ GiveExperiencePoints:
ldh [hDivisor], a
ld b, 2
call Divide
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
ld [hli], a
dec c
jr nz, .count_loop2
@ -7646,7 +7646,7 @@ SendOutMonText:
ldh [hDivisor], a
call Divide
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
ld hl, JumpText_GoMon
cp 70
jr nc, .skip_to_textbox
@ -7728,7 +7728,7 @@ WithdrawMonText:
call Divide
pop bc
pop de
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
ld hl, TextJump_ThatsEnoughComeBack
and a
ret z
@ -7869,7 +7869,7 @@ CalcExpBar:
xor a
ld [hl], a
; multiply by 64
ld a, $40
ld a, 64
ldh [hMultiplier], a
call Multiply
pop af
@ -7897,7 +7897,7 @@ CalcExpBar:
ldh [hDivisor], a
ld b, 4
call Divide
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
ld b, a
ld a, $40
sub b

52
engine/battle/effect_commands.asm
View File

@ -1368,9 +1368,9 @@ BattleCommand_Stab:
ldh [hDivisor], a
ld b, 4
call Divide
ldh a, [hQuotient + 1]
ld b, a
ldh a, [hQuotient + 2]
ld b, a
ldh a, [hQuotient + 3]
or b
jr nz, .ok
@ -1469,7 +1469,7 @@ CheckTypeMatchup:
ld b, 4
call Divide
pop bc
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
ld [wTypeMatchup], a
jr .TypesLoop
@ -1547,10 +1547,10 @@ BattleCommand_DamageVariation:
call Divide
; ...to get .85-1.00x damage.
ldh a, [hQuotient + 1]
ldh a, [hQuotient + 2]
ld hl, wCurDamage
ld [hli], a
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
ld [hl], a
ret
@ -1832,14 +1832,14 @@ BattleCommand_CheckHit:
ld b, 4
call Divide
; minimum accuracy is $0001
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
ld b, a
ldh a, [hQuotient + 1]
ldh a, [hQuotient + 2]
or b
jr nz, .min_accuracy
ldh [hQuotient + 1], a
ld a, 1
ldh [hQuotient + 2], a
ld a, 1
ldh [hQuotient + 3], a
.min_accuracy
; do the same thing to the target's evasion
@ -1848,9 +1848,9 @@ BattleCommand_CheckHit:
jr nz, .accuracy_loop
; if the result is more than 2 bytes, max out at 100%
ldh a, [hQuotient + 1]
and a
ldh a, [hQuotient + 2]
and a
ldh a, [hQuotient + 3]
jr z, .finish_accuracy
ld a, $ff
@ -2984,7 +2984,7 @@ BattleCommand_DamageCalc:
ld a, e
add a
jr nc, .level_not_overflowing
ld [hl], $1
ld [hl], 1
.level_not_overflowing
inc hl
ld [hli], a
@ -2993,7 +2993,7 @@ BattleCommand_DamageCalc:
ld a, 5
ld [hld], a
push bc
ld b, $4
ld b, 4
call Divide
pop bc
@ -3012,7 +3012,7 @@ BattleCommand_DamageCalc:
; / Defense
ld [hl], c
ld b, $4
ld b, 4
call Divide
; / 50
@ -3146,11 +3146,11 @@ BattleCommand_DamageCalc:
ret z
; x2
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
add a
ldh [hProduct + 3], a
ldh a, [hQuotient + 1]
ldh a, [hQuotient + 2]
rl a
ldh [hProduct + 2], a
@ -3257,7 +3257,7 @@ BattleCommand_ConstantDamage:
ldh [hMultiplicand + 1], a
ld a, [hli]
ldh [hMultiplicand + 2], a
ld a, $30
ld a, 48
ldh [hMultiplier], a
call Multiply
ld a, [hli]
@ -3288,7 +3288,7 @@ BattleCommand_ConstantDamage:
.skip_to_divide
ld b, 4
call Divide
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
ld b, a
ld hl, FlailReversalPower
@ -4918,34 +4918,34 @@ CalcStats:
ld b, 4
call Divide
ldh a, [hQuotient + 1]
ld b, a
ldh a, [hQuotient + 2]
ld b, a
ldh a, [hQuotient + 3]
or b
jr nz, .check_maxed_out
ld a, 1
ldh [hQuotient + 2], a
ldh [hQuotient + 3], a
jr .not_maxed_out
.check_maxed_out
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
cp LOW(MAX_STAT_VALUE)
ld a, b
sbc HIGH(MAX_STAT_VALUE)
jr c, .not_maxed_out
ld a, LOW(MAX_STAT_VALUE)
ldh [hQuotient + 2], a
ldh [hQuotient + 3], a
ld a, HIGH(MAX_STAT_VALUE)
ldh [hQuotient + 1], a
ldh [hQuotient + 2], a
.not_maxed_out
pop bc
ldh a, [hQuotient + 1]
ldh a, [hQuotient + 2]
ld [bc], a
inc bc
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
ld [bc], a
inc bc
pop hl

4
engine/battle/link_result.asm
View File

@ -100,10 +100,10 @@ DetermineLinkBattleResult:
ldh [hDivisor], a
ld b, $4
call Divide
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
add e
ld e, a
ldh a, [hQuotient + 1]
ldh a, [hQuotient + 2]
adc d
ld d, a
dec hl

6
engine/battle/misc.asm
View File

@ -119,14 +119,14 @@ DoWeatherModifiers:
ld b, 4
call Divide
ldh a, [hQuotient + 0]
ldh a, [hQuotient + 1]
and a
ld bc, -1
jr nz, .Update
ldh a, [hQuotient + 1]
ld b, a
ldh a, [hQuotient + 2]
ld b, a
ldh a, [hQuotient + 3]
ld c, a
or b
jr nz, .Update

2
engine/battle/move_effects/frustration.asm
View File

@ -21,7 +21,7 @@ BattleCommand_FrustrationPower:
ldh [hDivisor], a
ld b, 4
call Divide
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
ld d, a
pop bc
ret

2
engine/battle/move_effects/return.asm
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@ -19,7 +19,7 @@ BattleCommand_HappinessPower:
ldh [hDivisor], a
ld b, 4
call Divide
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
ld d, a
pop bc
ret

8
engine/battle/read_trainer_party.asm
View File

@ -305,12 +305,12 @@ ComputeTrainerReward:
ld hl, hProduct
xor a
ld [hli], a
ld [hli], a
ld [hli], a
ld [hli], a ; hMultiplicand + 0
ld [hli], a ; hMultiplicand + 1
ld a, [wEnemyTrainerBaseReward]
ld [hli], a
ld [hli], a ; hMultiplicand + 2
ld a, [wCurPartyLevel]
ld [hl], a
ld [hl], a ; hMultiplier
call Multiply
ld hl, wBattleReward
xor a

2
engine/events/magikarp.asm
View File

@ -205,7 +205,7 @@ CalcMagikarpLength:
ldh [hDivisor], a
ld b, 2
call Divide
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
ld c, a
; de = c + 100 × (2 + i)

4
engine/events/treemons.asm
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@ -250,9 +250,9 @@ GetTreeScore:
ld b, 2
call Divide
ldh a, [hQuotient + 1]
ldh [hDividend], a
ldh a, [hQuotient + 2]
ldh [hDividend], a
ldh a, [hQuotient + 3]
ldh [hDividend + 1], a
ld a, 10
ldh [hDivisor], a

2
engine/gfx/load_pics.asm
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@ -43,7 +43,7 @@ GetUnownLetter:
call Divide
; Increment to get 1-26
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
inc a
ld [wUnownLetter], a
ret

12
engine/items/item_effects.asm
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@ -310,10 +310,10 @@ PokeBallEffect:
ld a, b
ldh [hDivisor], a
ld b, $4
ld b, 4
call Divide
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
and a
jr nz, .statuscheck
ld a, 1
@ -1313,7 +1313,7 @@ RareCandyEffect:
ld a, MON_EXP
call GetPartyParamLocation
ldh a, [hMultiplicand]
ldh a, [hMultiplicand + 0]
ld [hli], a
ldh a, [hMultiplicand + 1]
ld [hli], a
@ -1963,9 +1963,9 @@ GetOneFifthMaxHP:
ldh [hDivisor], a
ld b, 2
call Divide
ldh a, [hQuotient + 1]
ld d, a
ldh a, [hQuotient + 2]
ld d, a
ldh a, [hQuotient + 3]
ld e, a
pop bc
ret
@ -2814,7 +2814,7 @@ ComputeMaxPP:
; Since this would overflow into bit 6, we prevent that from happening
; by decreasing the extra amount of PP each PP Up provides, resulting
; in a maximum of 61.
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
cp $8
jr c, .okay
ld a, $7

12
engine/link/link.asm
View File

@ -786,10 +786,10 @@ Link_PrepPartyData_Gen1:
pop bc
pop de
ldh a, [hQuotient + 1]
ldh a, [hQuotient + 2]
ld [de], a
inc de
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
ld [de], a
inc de
ld h, b
@ -1059,10 +1059,10 @@ Function2868a:
predef CalcMonStatC
pop bc
pop hl
ldh a, [hQuotient + 1]
ld [hli], a
ldh a, [hQuotient + 2]
ld [hli], a
ldh a, [hQuotient + 3]
ld [hli], a
push hl
push bc
ld hl, MON_STAT_EXP - 1
@ -1072,10 +1072,10 @@ Function2868a:
predef CalcMonStatC
pop bc
pop hl
ldh a, [hQuotient + 1]
ld [hli], a
ldh a, [hQuotient + 2]
ld [hli], a
ldh a, [hQuotient + 3]
ld [hli], a
push hl
ld hl, $1b
add hl, bc

8
engine/math/math.asm
View File

@ -175,15 +175,15 @@ _Divide::
ldh [hRemainder], a
ldh a, [hMathBuffer + 4]
ldh [hQuotient + 2], a
ldh [hQuotient + 3], a
ldh a, [hMathBuffer + 3]
ldh [hQuotient + 1], a
ldh [hQuotient + 2], a
ldh a, [hMathBuffer + 2]
ldh [hQuotient + 0], a
ldh [hQuotient + 1], a
ldh a, [hMathBuffer + 1]
ldh [hQuotient - 1], a
ldh [hQuotient + 0], a
ret

4
engine/pokemon/experience.asm
View File

@ -58,12 +58,12 @@ CalcExpAtLevel:
ld b, 4
call Divide
; Push the cubic term to the stack
ldh a, [hQuotient + 0]
push af
ldh a, [hQuotient + 1]
push af
ldh a, [hQuotient + 2]
push af
ldh a, [hQuotient + 3]
push af
; Square the level and multiply by the lower 7 bits of c
call .LevelSquared
ld a, [hl]

2
engine/pokemon/health.asm
View File

@ -91,7 +91,7 @@ ComputeHPBarPixels:
ldh [hDivisor], a
ld b, 4
call Divide
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
ld e, a
pop hl
and a

4
engine/pokemon/mon_menu.asm
View File

@ -766,10 +766,10 @@ MonMenu_Softboiled_MilkDrink:
call Divide
ld a, MON_HP + 1
call GetPartyParamLocation
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
sub [hl]
dec hl
ldh a, [hQuotient + 1]
ldh a, [hQuotient + 2]
sbc [hl]
ret

12
engine/pokemon/move_mon.asm
View File

@ -1570,11 +1570,11 @@ CalcMonStatC:
jr nz, .not_hp
ld a, [wCurPartyLevel]
ld b, a
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
add b
ldh [hMultiplicand + 2], a
jr nc, .no_overflow_3
ldh a, [hQuotient + 1]
ldh a, [hQuotient + 2]
inc a
ldh [hMultiplicand + 1], a
@ -1583,21 +1583,21 @@ CalcMonStatC:
.not_hp
ld b, a
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
add b
ldh [hMultiplicand + 2], a
jr nc, .no_overflow_4
ldh a, [hQuotient + 1]
ldh a, [hQuotient + 2]
inc a
ldh [hMultiplicand + 1], a
.no_overflow_4
ldh a, [hQuotient + 1]
ldh a, [hQuotient + 2]
cp HIGH(MAX_STAT_VALUE + 1) + 1
jr nc, .max_stat
cp HIGH(MAX_STAT_VALUE + 1)
jr c, .stat_value_okay
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
cp LOW(MAX_STAT_VALUE + 1)
jr c, .stat_value_okay

6
engine/pokemon/stats_screen.asm
View File

@ -636,15 +636,15 @@ StatsScreen_LoadGFX:
farcall CalcExpAtLevel
ld hl, wTempMonExp + 2
ld hl, wTempMonExp + 2
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
sub [hl]
dec hl
ld [wBuffer3], a
ldh a, [hQuotient + 1]
ldh a, [hQuotient + 2]
sbc [hl]
dec hl
ld [wBuffer2], a
ldh a, [hQuotient]
ldh a, [hQuotient + 1]
sbc [hl]
ld [wBuffer1], a
ret

7
hram.asm
View File

@ -63,9 +63,7 @@ hEnemyMonSpeed:: dw ; ffb1
UNION ; ffb3
; miscellaneous
ds 2
hPartyMon1Speed:: dw ; ffb5
ds 5
ds 9
hMGStatusFlags:: db ; ffbc
NEXTU ; ffb3
@ -85,8 +83,7 @@ hDivisor:: db ; ffb7
NEXTU ; ffb3
; results of Divide
ds 1
hQuotient:: ds 3 ; ffb4
hQuotient:: ds 4 ; ffb3
hRemainder:: db ; ffb7
NEXTU ; ffb3

2
mobile/mobile_12.asm
View File

@ -1799,7 +1799,7 @@ Function48d94:
sla b
or b
ld [hld], a
ldh a, [hQuotient + 2]
ldh a, [hQuotient + 3]
ld c, 10
call SimpleDivide
sla b

2
mobile/mobile_46.asm
View File

@ -5145,7 +5145,7 @@ Function11a80c:
ld bc, hDividend
ld hl, Unknown_11a89a
call Function11a88c
ld bc, hQuotient
ld bc, hQuotient + 1
ld hl, Unknown_11a8ba
call Function11a88c
ld bc, hPrintNumBuffer + 2