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-rw-r--r--src/constants/misc_constants.asm8
-rw-r--r--src/data/npcs.asm4
-rwxr-xr-xsrc/engine/bank1.asm52
-rwxr-xr-xsrc/engine/home.asm130
4 files changed, 106 insertions, 88 deletions
diff --git a/src/constants/misc_constants.asm b/src/constants/misc_constants.asm
index 11693b4..422fda4 100644
--- a/src/constants/misc_constants.asm
+++ b/src/constants/misc_constants.asm
@@ -1,3 +1,11 @@
+; screen size
+SCREEN_WIDTH EQU 20 ; tiles
+SCREEN_HEIGHT EQU 18 ; tiles
+
+; background map size
+BG_MAP_WIDTH EQU 32 ; tiles
+BG_MAP_HEIGHT EQU 32 ; tiles
+
; console types (for wConsole)
CONSOLE_DMG EQU $00
CONSOLE_SGB EQU $01
diff --git a/src/data/npcs.asm b/src/data/npcs.asm
index c6f4e4d..d7a3a61 100644
--- a/src/data/npcs.asm
+++ b/src/data/npcs.asm
@@ -1,5 +1,5 @@
; When you press the a button in front of something it will find a data entry somewhere on this list
-; it will then jump to the pointer in the data item. All jumps lead to an RST20 operation.
+; it will then jump to the pointer in the data item. All jumps lead to an RST20 operation.
PointerTable_118f5:
dw Data_119dd
dw Data_119dd
@@ -529,7 +529,7 @@ AmandaData:
dw OWSequence_Amanda ; Pointer to NPC Data
db $bd
db $03
- db AMANDA_PIC
+ db AMANDA_PIC ; battle profile picture
db $23
db $03
db $15
diff --git a/src/engine/bank1.asm b/src/engine/bank1.asm
index b1a879d..7a3f72a 100755
--- a/src/engine/bank1.asm
+++ b/src/engine/bank1.asm
@@ -16,20 +16,21 @@ Func_4000: ; 4000 (1:4000)
farcall Func_1a6cc
ldh a, [hButtonsHeld]
cp A_BUTTON | B_BUTTON
- jr z, .asm_4035
+ jr z, .ask_erase_backup_ram
farcall Func_126d1
jr Func_4000
-.asm_4035
+.ask_erase_backup_ram
call Func_405a
call Func_04a2
text_hl ResetBackUpRamText
call Func_2af0
- jr c, .asm_404d
+ jr c, .reset_game
+; erase sram
call EnableExtRAM
xor a
ld [$a000], a
call DisableExtRAM
-.asm_404d
+.reset_game
jp Reset
Func_4050: ; 4050 (1:4050)
@@ -333,16 +334,16 @@ Func_42ac:
ld [wCurrentDuelMenuItem], a
jr nc, Func_42ac
ldh a, [hCurrentMenuItem]
- ld hl, BattleMenuFunctionTable
+ ld hl, DuelMenuFunctionTable
jp JumpToFunctionInTable
-BattleMenuFunctionTable: ; 42f1 (1:42f1)
- dw OpenHandMenu
- dw OpenBattleAttackMenu
- dw OpenBattleCheckMenu
- dw OpenPokemonPowerMenu
- dw PlayerRetreat
- dw PlayerEndTurn
+DuelMenuFunctionTable: ; 42f1 (1:42f1)
+ dw DuelMenu_Hand
+ dw DuelMenu_Attack
+ dw DuelMenu_Check
+ dw DuelMenu_PkmnPower
+ dw DuelMenu_Retreat
+ dw DuelMenu_Done
INCROM $42fd, $430b
@@ -384,13 +385,13 @@ Func_4342: ; 4342 (1:4342)
INCROM $4345, $438e
-OpenPokemonPowerMenu: ; 438e (1:438e)
+DuelMenu_PkmnPower: ; 438e (1:438e)
call $6431
jp c, Func_426d
call Func_1730
jp Func_426d
-PlayerEndTurn: ; 439a (1:439a)
+DuelMenu_Done: ; 439a (1:439a)
ld a, $08
call $51e7
jp c, Func_4268
@@ -399,7 +400,7 @@ PlayerEndTurn: ; 439a (1:439a)
call $717a
ret
-PlayerRetreat: ; 43ab (1:43ab)
+DuelMenu_Retreat: ; 43ab (1:43ab)
ld a, DUELVARS_ARENA_CARD_STATUS
call GetTurnDuelistVariable
and a,PASSIVE_STATUS_MASK
@@ -457,7 +458,7 @@ Func_441f: ; 441f (1:441f)
call DrawWideTextBox_WaitForInput
jp PrintDuelMenu
-OpenHandMenu: ; 4425 (1:4425)
+DuelMenu_Hand: ; 4425 (1:4425)
ld a, DUELVARS_NUMBER_OF_CARDS_IN_HAND
call GetTurnDuelistVariable
or a
@@ -523,14 +524,14 @@ PlayerUseEnergyCard: ; 4477 (1:4477)
INCROM $44db, $4585
-OpenBattleCheckMenu: ; 4585 (1:4585)
+DuelMenu_Check: ; 4585 (1:4585)
call Func_3b31
call Func_3096
jp Func_426d
INCROM $458e, $46fc
-OpenBattleAttackMenu: ; 46fc (1:46fc)
+DuelMenu_Attack: ; 46fc (1:46fc)
call HandleCantAttackSubstatus
jr c, .alertCantAttackAndCancelMenu
call CheckIfActiveCardParalyzedOrAsleep
@@ -660,14 +661,13 @@ Func_478b: ; 478b (1:478b)
ret
AttackMenuCursorData:
- db $01
- db $0d
- db $02
- db $02
- db $0f
- db $00
- db $00
- db $00
+ db 1, 13 ; x, y
+ db 2 ; y displacement between items
+ db 2 ; number of items
+ db $0f ; cursor tile number
+ db $00 ; tile behind cursor
+ db $00 ; ???
+ db $00 ; ???
Func_47ec: ; $47ec (1:47ec)
ld a, [wcc04]
diff --git a/src/engine/home.asm b/src/engine/home.asm
index b1fa021..60f1739 100755
--- a/src/engine/home.asm
+++ b/src/engine/home.asm
@@ -231,7 +231,7 @@ EnableLCD: ; 0277 (0:0277)
or rLCDC_ENABLE_MASK ;
ld [wLCDC], a ;
ld [rLCDC], a ; turn LCD on
- ld a, $c0
+ ld a, %11000000
ld [wFlushPaletteFlags], a
ret
@@ -246,7 +246,7 @@ DisableLCD: ; 028a (0:028a)
ld [rIE], a ; disable vblank interrupt
.asm_298
ld a, [rLY] ;
- cp $91 ;
+ cp LY_VBLANK ;
jr nz, .asm_298 ; wait for vblank
ld a, [rLCDC] ;
and $7f ;
@@ -350,7 +350,7 @@ SetupLCD: ; 030b (0:030b)
ld [wLCDC], a
ld a, $1
ld [MBC3LatchClock], a
- ld a, $a
+ ld a, SRAM_ENABLE
ld [MBC3SRamEnable], a
NopF: ; 0348 (0:0348)
ret
@@ -377,7 +377,7 @@ DetectConsole: ; 0349 (0:0349)
; initialize the palettes (both monochrome and color)
SetupPalettes: ; 036a (0:036a)
ld hl, wBGP
- ld a, $e4
+ ld a, %11100100
ld [rBGP], a
ld [hli], a
ld [rOBP0], a
@@ -460,23 +460,23 @@ FillTileMap: ; 03c0 (0:03c0)
; zero work RAM, stack area & high RAM ($C000-$DFFF, $FF80-$FFEF)
ZeroRAM: ; 03ec (0:03ec)
- ld hl, wTempCardCollection
- ld bc, $2000
-.asm_3f2
+ ld hl, $c000
+ ld bc, $e000 - $c000
+.zero_wram_loop
xor a
ld [hli], a
dec bc
ld a, c
or b
- jr nz, .asm_3f2
- ld c, $80
- ld b, $70
+ jr nz, .zero_wram_loop
+ ld c, LOW($ff80)
+ ld b, $fff0 - $ff80
xor a
-.asm_3fe
+.zero_hram_loop
ld [$ff00+c], a
inc c
dec b
- jr nz, .asm_3fe
+ jr nz, .zero_hram_loop
ret
Func_0404: ; 0404 (0:0404)
@@ -627,7 +627,7 @@ SGB_ATTR_BLK_04bf: ; 04bf (0:04bf)
sgb ATTR_BLK, 1 ; sgb_command, length
db $01,$03,$00,$00,$00,$13,$11,$00,$00,$00,$00,$00,$00,$00,$00
-; returns vBGMapTiles + 32 * c + b in de.
+; returns vBGMapTiles + BG_MAP_WIDTH * c + b in de.
; used to map coordinates at bc to a BGMap0 address.
BCCoordToBGMap0Address: ; 04cf (0:04cf)
ld l, c
@@ -638,7 +638,7 @@ BCCoordToBGMap0Address: ; 04cf (0:04cf)
add hl, hl
add hl, hl
ld c, b
- ld b, $98
+ ld b, HIGH(vBGMapTiles)
add hl, bc
ld e, l
ld d, h
@@ -1203,7 +1203,7 @@ BankswitchRAM: ; 07a9 (0:07a9)
push af
ldh [hBankRAM], a
ld [MBC3SRamBank], a
- ld a, $a
+ ld a, SRAM_ENABLE
ld [MBC3SRamEnable], a
pop af
ret
@@ -1211,7 +1211,7 @@ BankswitchRAM: ; 07a9 (0:07a9)
; enable external RAM
EnableExtRAM: ; 07b6 (0:07b6)
push af
- ld a, $a
+ ld a, SRAM_ENABLE
ld [MBC3SRamEnable], a
pop af
ret
@@ -1219,7 +1219,7 @@ EnableExtRAM: ; 07b6 (0:07b6)
; disable external RAM
DisableExtRAM: ; 07be (0:07be)
push af
- xor a
+ xor a ; SRAM_DISABLE
ld [MBC3SRamEnable], a
pop af
ret
@@ -1832,7 +1832,7 @@ Func_0bcb: ; 0bcb (0:0bcb)
jr nz, .wait_vbalnk
ld a, $43
ld [rLCDC], a
- ld a, $e4
+ ld a, %11100100
ld [rBGP], a
ld de, vTiles1
ld bc, vBGMapTiles - vTiles1
@@ -2796,7 +2796,7 @@ _GetCardInDeckPosition: ; 1362 (0:1362)
ld a, [hl]
pop de
ret
-
+
; load data of card in position a to wLoadedCard1
LoadDeckCardToBuffer1: ; 1376 (0:1376)
push hl
@@ -2813,7 +2813,7 @@ LoadDeckCardToBuffer1: ; 1376 (0:1376)
pop de
pop hl
ret
-
+
; load data of card in position a to wLoadedCard2
LoadDeckCardToBuffer2: ; 138c (0:138c)
push hl
@@ -3312,25 +3312,25 @@ CheckSelfConfusionDamage: ; 18d7 (0:18d7)
; 0x18f9
INCROM $18f9, $1944
-
-; this loads HP and Stage (1 byte each) of card with id at $ff9f into wLoadedMoveEffectCommands
-Func_1944: ; 1944 (0:1944)
- ld a, [$ff9f]
- call LoadDeckCardToBuffer1
- ld hl, wLoadedCard1HP
- ld de, wLoadedMoveEffectCommands
- ld a, [hli]
- ld [de], a
- inc de
- ld a, [hl]
- ld [de], a
- ret
-; 0x1955
-
-Func_1955: ; 1955 (0:1955)
- push af
- ld a, $7a
- ld [wLoadedMoveAnimation], a
+
+; this loads HP and Stage (1 byte each) of card with id at $ff9f into wLoadedMoveEffectCommands
+Func_1944: ; 1944 (0:1944)
+ ld a, [$ff9f]
+ call LoadDeckCardToBuffer1
+ ld hl, wLoadedCard1HP
+ ld de, wLoadedMoveEffectCommands
+ ld a, [hli]
+ ld [de], a
+ inc de
+ ld a, [hl]
+ ld [de], a
+ ret
+; 0x1955
+
+Func_1955: ; 1955 (0:1955)
+ push af
+ ld a, $7a
+ ld [wLoadedMoveAnimation], a
pop af
; this function appears to apply several damage modifiers
Func_195c: ; 195c (0:195c)
@@ -3902,7 +3902,7 @@ SafeCopyDataDEtoHL: ; 1dca (0:1dca)
.lcd_on
jp HblankCopyDataDEtoHL
-; returns vBGMapTiles + 32 * e + d in hl.
+; returns vBGMapTiles + BG_MAP_WIDTH * e + d in hl.
; used to map coordinates at de to a BGMap0 address.
DECoordToBGMap0Address: ; 1ddb (0:1ddb)
ld l, e
@@ -3916,7 +3916,7 @@ DECoordToBGMap0Address: ; 1ddb (0:1ddb)
add d
ld l, a
ld a, h
- adc $98
+ adc HIGH(vBGMapTiles)
ld h, a
ret
@@ -4047,29 +4047,29 @@ DrawRegularTextBoxDMG: ; 1e88 (0:1e88)
call DECoordToBGMap0Address
; top line (border) of the text box
ld a, $1c
- ld de, $1819
+ lb de, $18, $19
call CopyLine
ContinueDrawingTextBoxDMGorSGB
dec c
dec c
.draw_text_box_body_loop
ld a, $0
- ld de, $1e1f
+ lb de, $1e, $1f
call CopyLine
dec c
jr nz, .draw_text_box_body_loop
; bottom line (border) of the text box
ld a, $1d
- ld de, $1a1b
+ lb de, $1a, $1b
; fallthrough
-; copies b bytes of data to sp+$1c and to hl, and returns hl += SCREEN_WIDTH
+; copies b bytes of data to sp+$1c and to hl, and returns hl += BG_MAP_WIDTH
; d = value of byte 0
; e = value of byte b
; a = value of bytes [1, b-1]
-; b is supposed to be SCREEN_WIDTH or smaller, else the stack would get corrupted
+; b is supposed to be BG_MAP_WIDTH or smaller, else the stack would get corrupted
CopyLine: ; 1ea5 (0:1ea5)
- add sp, -$20
+ add sp, -BG_MAP_WIDTH
push hl
push bc
ld hl, sp+$4
@@ -4093,24 +4093,24 @@ CopyLine: ; 1ea5 (0:1ea5)
call SafeCopyDataDEtoHL
pop bc
pop de
- ; advance pointer SCREEN_WIDTH positions and restore stack pointer
- ld hl, $0020
+ ; advance pointer BG_MAP_WIDTH positions and restore stack pointer
+ ld hl, BG_MAP_WIDTH
add hl, de
- add sp, $20
+ add sp, BG_MAP_WIDTH
ret
DrawRegularTextBoxCGB:
call DECoordToBGMap0Address
; top line (border) of the text box
ld a, $1c
- ld de, $1819
+ lb de, $18, $19
call CopyCurrentLineTilesAndAttrCGB
ContinueDrawingTextBoxCGB
dec c
dec c
.draw_text_box_body_loop
ld a, $0
- ld de, $1e1f
+ lb de, $1e, $1f
push hl
call CopyLine
pop hl
@@ -4125,7 +4125,7 @@ ContinueDrawingTextBoxCGB
jr nz, .draw_text_box_body_loop
; bottom line (border) of the text box
ld a, $1d
- ld de, $1a1b
+ lb de, $1a, $1b
call CopyCurrentLineTilesAndAttrCGB
ret
@@ -4972,12 +4972,12 @@ InitializeCursorParameters: ; 2636 (0:2636)
ldh [hCurrentMenuItem], a
ld de, wCursorXPosition
ld b, $8
-.asm_2640
+.loop
ld a, [hli]
ld [de], a
inc de
dec b
- jr nz, .asm_2640
+ jr nz, .loop
xor a
ld [wCursorBlinkCounter], a
ret
@@ -5199,8 +5199,8 @@ Func_29f5: ; 29f5 (0:29f5)
ret
; 0x29fa
-Func_29fa: ; 29fa (0:29fa)
- ld bc, $0f00
+Func_29fa: ; 29fa (0:29fa)
+ ld bc, $0f00
call Func_2a1a
Func_2a00: ; 2a00 (0:2a00)
call DoFrame
@@ -5294,7 +5294,12 @@ DrawNarrowTextBox_WaitForInput: ; 2a7c (0:2a7c)
ret
NarrowTextBoxPromptCursorData: ; 2a96 (0:2a96)
- db $a, $11, $1, $1, $2f, $1d, $0, $0
+ db 10, 17 ; x, y
+ db 1 ; y displacement between items
+ db 1 ; number of items
+ db $2f ; cursor tile number
+ db $1d ; tile behind cursor
+ db $0, $0 ; ???, ???
; draws a 20x6 text box aligned to the bottom of the screen
DrawWideTextBox: ; 2a9e (0:2a9e)
@@ -5322,12 +5327,17 @@ WaitForWideTextBoxInput: ; 2aae (0:2aae)
ret
WideTextBoxPromptCursorData: ; 2ac8 (0:2ac8)
- db $12, $11, $1, $1, $2f, $1d, $0, $0
+ db 18, 17 ; x, y
+ db 1 ; y displacement between items
+ db 1 ; number of items
+ db $2f ; cursor tile number
+ db $1d ; tile behind cursor
+ db $0, $0 ; ???, ???
INCROM $2ad0, $2af0
Func_2af0: ; 2af0 (0:2af0)
- call DrawWideTextBox_PrintText
+ call DrawWideTextBox_PrintText
Func_2af3: ; 2af3 (0:2af3)
ld de, $0710
call Func_2b66
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 12:54:19 +0000