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-rw-r--r--README.md4
-rw-r--r--charmap.asm4
-rw-r--r--engine/gfx/load_pics.asm12
-rw-r--r--engine/pokemon/correct_nick_errors.asm2
-rw-r--r--gfx/lz.mk2
-rw-r--r--home/game_time.asm1
-rw-r--r--home/gfx.asm34
-rw-r--r--home/init.asm6
-rw-r--r--home/map.asm2
-rw-r--r--home/menu.asm3
-rw-r--r--home/palettes.asm8
-rw-r--r--home/print_num.asm36
-rw-r--r--home/print_text.asm35
-rw-r--r--home/region.asm8
-rw-r--r--home/text.asm2
-rw-r--r--home/tilemap.asm2
-rw-r--r--home/vblank.asm15
-rw-r--r--home/video.asm3
-rw-r--r--macros/data.asm18
-rw-r--r--wram.asm3
20 files changed, 108 insertions, 92 deletions
diff --git a/README.md b/README.md
index a249ecd7..9b47c02e 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Pokémon Gold and Silver
+# Pokémon Gold and Silver [![Build Status][travis-badge]][travis]
This is a disassembly of Pokémon Gold and Pokémon Silver.
@@ -35,3 +35,5 @@ Other disassembly projects:
[pokeemerald]: https://github.com/pret/pokeemerald
[discord]: https://discord.gg/d5dubZ3
[irc]: https://kiwiirc.com/client/irc.freenode.net/?#pret
+[travis]: https://travis-ci.org/pret/pokegold
+[travis-badge]: https://travis-ci.org/pret/pokegold.svg?branch=master
diff --git a/charmap.asm b/charmap.asm
index 728f7f3f..a3616d85 100644
--- a/charmap.asm
+++ b/charmap.asm
@@ -3,7 +3,6 @@
; Control characters (see home/text.asm)
charmap "<NULL>", $00
- charmap "<PLAY_G>", $14 ; "<PLAYER>くん" or "<PLAYER>ちゃん"; same as "<PLAYER>" in English
charmap "<CR>", $16
charmap "¯", $1f ; soft linebreak
charmap "<LF>", $22
@@ -210,7 +209,8 @@
; Japanese control characters (see home/text.asm)
- charmap "<JP_18>", $18 ; "ノ゛"? (ungrammatical)
+ charmap "<JP_14>", $14 ; "ナﾞ" (ungrammatical)
+ charmap "<JP_18>", $18 ; "ノ゛" (ungrammatical)
charmap "<NI>", $1d ; "に　"
charmap "<TTE>", $1e ; "って"
charmap "<WO>", $1f ; "を　"
diff --git a/engine/gfx/load_pics.asm b/engine/gfx/load_pics.asm
index 8b9f4f6a..869dc988 100644
--- a/engine/gfx/load_pics.asm
+++ b/engine/gfx/load_pics.asm
@@ -185,9 +185,9 @@ FixPicBank:
; Postcondition: a = repaired bank for pic
;
; Pic bank values that will get repaired (and what they'll be repaired to):
-; $13 -> $1f
-; $14 -> $20
-; $1f -> $2e
+; $13 -> BANK("Pics 12")
+; $14 -> BANK("Pics 13")
+; $1f -> BANK("Pics 14")
;
; Otherwise, the repaired bank will match the defined bank.
push hl
@@ -211,9 +211,9 @@ FixPicBank:
ret
.FixPicBankTable:
- db $13, $1f
- db $14, $20
- db $1f, $2e
+ db $13, BANK("Pics 12")
+ db $14, BANK("Pics 13")
+ db $1f, BANK("Pics 14")
db -1
Intro_GetMonFrontpic:
diff --git a/engine/pokemon/correct_nick_errors.asm b/engine/pokemon/correct_nick_errors.asm
index 421bf92d..e7635c1d 100644
--- a/engine/pokemon/correct_nick_errors.asm
+++ b/engine/pokemon/correct_nick_errors.asm
@@ -65,7 +65,7 @@ CorrectNickErrors::
; format:
; ≥ <
db "<NULL>", "ガ"
- db "<PLAY_G>", "<JP_18>" + 1
+ db "<JP_14>", "<JP_18>" + 1
db "<NI>", "<NO>" + 1
db "<ROUTE>", "<GREEN>" + 1
db "<ENEMY>", "<ENEMY>" + 1
diff --git a/gfx/lz.mk b/gfx/lz.mk
index 6a6f6c80..5f375a83 100644
--- a/gfx/lz.mk
+++ b/gfx/lz.mk
@@ -10,7 +10,7 @@ gfx/diploma/diploma.2bpp.lz: LZFLAGS += --method 8 --align 1
gfx/dummy_game/dummy_game.2bpp.lz: LZFLAGS += --method 2 --align 4
-gfx/intro/%.2bpp.lz: LZFLAGS += --align 4
+gfx/intro/%.lz: LZFLAGS += --align 4
gfx/intro/water1.2bpp.lz: LZFLAGS += --method 2 --align 4
gfx/new_game/shrink1.2bpp.lz: LZFLAGS += --align 4
diff --git a/home/game_time.asm b/home/game_time.asm
index 3751e4a4..b0039952 100644
--- a/home/game_time.asm
+++ b/home/game_time.asm
@@ -11,7 +11,6 @@ ResetGameTime::
GameTimer::
nop
-UpdateGameTimer::
; Increment the game timer by one frame.
; The game timer is capped at 999:59:59.00.
diff --git a/home/gfx.asm b/home/gfx.asm
index a1a2dee2..3ba6dbfe 100644
--- a/home/gfx.asm
+++ b/home/gfx.asm
@@ -1,3 +1,5 @@
+TILES_PER_CYCLE EQU 8
+
FarCopyBytesDouble_DoubleBankSwitch::
ld b, a
ldh a, [hROMBank]
@@ -8,7 +10,7 @@ FarCopyBytesDouble_DoubleBankSwitch::
ld a, BANK(sDecompressBuffer)
call OpenSRAM
ld hl, sDecompressBuffer
- ld bc, 7 * 7 * $10
+ ld bc, 7 * 7 tiles
xor a
call ByteFill
@@ -130,9 +132,9 @@ Request2bpp::
ld [wRequested2bppDest], a
ld a, h
ld [wRequested2bppDest + 1], a
-.check
+.loop
ld a, c
- cp 8 ; TilesPerCycle
+ cp TILES_PER_CYCLE
jr nc, .cycle
ld [wRequested2bpp], a
@@ -146,14 +148,14 @@ Request2bpp::
ret
.cycle
- ld a, 8 ; TilesPerCycle
+ ld a, TILES_PER_CYCLE
ld [wRequested2bpp], a
call DelayFrame
ld a, c
- sub 8 ; TilesPerCycle
+ sub TILES_PER_CYCLE
ld c, a
- jr .check
+ jr .loop
Request1bpp::
; Load 1bpp at b:de to occupy c tiles of hl.
@@ -175,9 +177,9 @@ Request1bpp::
ld [wRequested1bppDest], a
ld a, h
ld [wRequested1bppDest + 1], a
-.check
+.loop
ld a, c
- cp 8 ; TilesPerCycle
+ cp TILES_PER_CYCLE
jr nc, .cycle
ld [wRequested1bpp], a
@@ -191,14 +193,14 @@ Request1bpp::
ret
.cycle
- ld a, 8 ; TilesPerCycle
+ ld a, TILES_PER_CYCLE
ld [wRequested1bpp], a
call DelayFrame
ld a, c
- sub 8 ; TilesPerCycle
+ sub TILES_PER_CYCLE
ld c, a
- jr .check
+ jr .loop
Get2bpp::
ldh a, [rLCDC]
@@ -216,7 +218,7 @@ Copy2bpp:
; bank
ld a, b
-; bc = c * $10
+; bc = c * LEN_2BPP_TILE
push af
swap c
ld a, $f
@@ -244,7 +246,7 @@ Copy1bpp::
; bank
ld a, b
-; bc = c * $10 / 2
+; bc = c * LEN_1BPP_TILE
push af
ld h, 0
ld l, c
@@ -258,19 +260,19 @@ Copy1bpp::
pop hl
jp FarCopyBytesDouble
-UnusedGet2bpp::
+Unreferenced_Get2bpp::
ldh a, [rLCDC]
add a
jp c, Request2bpp
-UnusedCopy2bpp::
+Unreferenced_Copy2bpp::
push de
push hl
; bank
ld a, b
-; bc = c * $10
+; bc = c * LEN_2BPP_TILE
ld h, 0
ld l, c
add hl, hl
diff --git a/home/init.asm b/home/init.asm
index 497e13c7..8c51e9dc 100644
--- a/home/init.asm
+++ b/home/init.asm
@@ -16,11 +16,11 @@ Reset::
_Start::
cp $11
jr z, .cgb
- xor a
+ xor a ; FALSE
jr .load
.cgb
- ld a, $1
+ ld a, TRUE
.load
ldh [hCGB], a
@@ -145,7 +145,7 @@ Init::
call DelayFrame
- predef InitSGBBorder ; SGB init
+ predef InitSGBBorder
call InitSound
xor a
diff --git a/home/map.asm b/home/map.asm
index d3a67c71..b158f3a5 100644
--- a/home/map.asm
+++ b/home/map.asm
@@ -1233,6 +1233,8 @@ LoadTilesetGFX::
ld de, vTiles2
ld a, [wTilesetBank]
call FarDecompress
+
+; These tilesets support dynamic per-mapgroup roof tiles.
ld a, [wMapTileset]
cp TILESET_JOHTO
jr z, .load_roof
diff --git a/home/menu.asm b/home/menu.asm
index 9efb2414..6aef1adf 100644
--- a/home/menu.asm
+++ b/home/menu.asm
@@ -345,6 +345,7 @@ VerticalMenu::
.cancel
scf
ret
+
.okay
and a
ret
@@ -740,7 +741,7 @@ MenuClickSound::
push af
and A_BUTTON | B_BUTTON
jr z, .nosound
- ld hl, wMenuHeader
+ ld hl, wMenuFlags
bit 3, a
jr nz, .nosound
call PlayClickSFX
diff --git a/home/palettes.asm b/home/palettes.asm
index 41cbbde9..330233af 100644
--- a/home/palettes.asm
+++ b/home/palettes.asm
@@ -263,11 +263,11 @@ ReloadPalettes::
ld bc, SCREEN_WIDTH * SCREEN_HEIGHT
.loop
ld a, [hli]
- cp $60
- jr c, .pal_map
- ld a, 7
+ cp "■"
+ jr c, .skip
+ ld a, PAL_BG_TEXT
ld [de], a
-.pal_map
+.skip
inc de
dec bc
ld a, b
diff --git a/home/print_num.asm b/home/print_num.asm
index 5bea7696..a1dca238 100644
--- a/home/print_num.asm
+++ b/home/print_num.asm
@@ -300,3 +300,39 @@ PrintNum::
.inc
inc hl
ret
+
+Unreferenced_PrintHexNumber::
+; Print c-digit hex number from de to hl
+.loop
+ push bc
+ call .HandleByte
+ pop bc
+ dec c
+ jr nz, .loop
+ ret
+
+.HandleByte:
+ ld a, [de]
+ swap a
+ and $f
+ call .PrintDigit
+ ld [hli], a
+ ld a, [de]
+ and $f
+ call .PrintDigit
+ ld [hli], a
+ inc de
+ ret
+
+.PrintDigit:
+ ld bc, .HexDigits
+ add c
+ ld c, a
+ ld a, 0
+ adc b
+ ld b, a
+ ld a, [bc]
+ ret
+
+.HexDigits:
+ db "0123456789ABCDEF"
diff --git a/home/print_text.asm b/home/print_text.asm
index 04bc8ece..df07955e 100644
--- a/home/print_text.asm
+++ b/home/print_text.asm
@@ -100,41 +100,6 @@ CopyDataUntil::
INCLUDE "home/print_num.asm"
-Function33ce::
-; Print c-digit hex number from de to hl
-.asm_33ce
- push bc
- call Function33d7
- pop bc
- dec c
- jr nz, .asm_33ce
- ret
-
-Function33d7::
- ld a, [de]
- swap a
- and $f
- call Function33e9
- ld [hli], a
- ld a, [de]
- and $f
- call Function33e9
- ld [hli], a
- inc de
- ret
-
-Function33e9::
- ld bc, .digits
- add c
- ld c, a
- ld a, $0
- adc b
- ld b, a
- ld a, [bc]
- ret
-
-.digits db "0123456789ABCDEF"
-
FarPrintText::
ld [wTempBank], a
ldh a, [hROMBank]
diff --git a/home/region.asm b/home/region.asm
index ee781759..b5fff82b 100644
--- a/home/region.asm
+++ b/home/region.asm
@@ -52,10 +52,10 @@ Function2ffe::
add $4
ld d, a
ld a, [wPlayerStandingMapY]
- ld a, $4 ; add $4
+ ld a, $4 ; should be "add $4"?
ld e, a
push bc
- ld c, $0
+ ld c, 0
.loop
ld a, [hl]
cp $ff
@@ -72,7 +72,7 @@ Function2ffe::
ld b, SET_FLAG
push de
push bc
- ld d, $0
+ ld d, 0
predef SmallFarFlagAction
pop bc
pop de
@@ -83,7 +83,7 @@ Function2ffe::
inc hl
inc c
ld a, c
- cp $20
+ cp 32
jr c, .loop
.done
pop bc
diff --git a/home/text.asm b/home/text.asm
index c12bcdd6..be57ccfb 100644
--- a/home/text.asm
+++ b/home/text.asm
@@ -228,7 +228,7 @@ ENDM
dict "<USER>", PlaceMoveUsersName
dict "<ENEMY>", PlaceEnemysName
dict "ﾟ", .diacritic
- cp $e5
+ cp "ﾞ"
jr nz, .not_diacritic
.diacritic
diff --git a/home/tilemap.asm b/home/tilemap.asm
index fac8d372..55b4c991 100644
--- a/home/tilemap.asm
+++ b/home/tilemap.asm
@@ -56,7 +56,7 @@ CGBOnly_CopyTilemapAtOnce::
ldh a, [hCGB]
and a
jr z, WaitBGMap
-; fall through
+
CopyTilemapAtOnce::
ldh a, [hBGMapMode]
push af
diff --git a/home/vblank.asm b/home/vblank.asm
index d150abf4..7e6adab0 100644
--- a/home/vblank.asm
+++ b/home/vblank.asm
@@ -1,5 +1,11 @@
; VBlank is the interrupt responsible for updating VRAM.
+; In Pokemon Gold and Silver, VBlank has been hijacked to act as the
+; main loop. After time-sensitive graphics operations have been
+; performed, joypad input and sound functions are executed.
+
+; This prevents the display and audio output from lagging.
+
VBlank::
push af
push bc
@@ -168,7 +174,7 @@ VBlank1::
jr z, .skip_lcd
ld c, a
ld a, [wLYOverrides]
- ld [$ff00+c], a
+ ldh [c], a
.skip_lcd
xor a
@@ -294,7 +300,7 @@ VBlank5::
xor a
ldh [rIF], a
; enable ints
- ld a, %11111
+ ld a, IE_DEFAULT
ldh [rIE], a
ret
@@ -372,9 +378,11 @@ VBlank3::
ld [wTextDelayFrames], a
.okay
+ ; discard requested ints
xor a
ldh [rIF], a
- ld a, %10 ; lcd stat
+ ; enable lcd stat
+ ld a, 1 << LCD_STAT
ldh [rIE], a
; request lcd stat
ldh [rIF], a
@@ -387,6 +395,7 @@ VBlank3::
rst Bankswitch
di
+ ; discard requested ints
xor a
ldh [rIF], a
; enable ints
diff --git a/home/video.asm b/home/video.asm
index 5354e7b6..dcf7b47c 100644
--- a/home/video.asm
+++ b/home/video.asm
@@ -10,8 +10,8 @@ UpdateBGMapBuffer::
and a
ret z
+; Relocate the stack pointer to wBGMapBufferPtrs
ld [hSPBuffer], sp
-
ld hl, wBGMapBufferPtrs
ld sp, hl
@@ -59,6 +59,7 @@ endr
jr nz, .next
+; Restore the stack pointer
ldh a, [hSPBuffer]
ld l, a
ldh a, [hSPBuffer + 1]
diff --git a/macros/data.asm b/macros/data.asm
index 36854d79..b6cedbf7 100644
--- a/macros/data.asm
+++ b/macros/data.asm
@@ -102,17 +102,17 @@ ENDM
; Reverses FixPicBank in engine/gfx/load_pics.asm
;
-; Takes the actual bank of the pic in the ROM and returns the "defined" bank
-; $1f -> $13
-; $20 -> $14
-; $2e -> $1f
+; Takes the actual bank of the pic in the ROM and returns the "defined" bank:
+; BANK("Pics 12") -> $13
+; BANK("Pics 13") -> $14
+; BANK("Pics 14") -> $1f
;
; Otherwise, the ROM bank will match the defined bank.
dba_pic: MACRO ; dbw bank, address
- db (BANK(\1) == $1f) * ($13 - $1f) \
- + (BANK(\1) == $20) * ($14 - $20) \
- + (BANK(\1) == $2e) * ($1f - $2e) \
- + (BANK(\1))
+ db (BANK(\1) == BANK("Pics 12")) * ($13 - BANK("Pics 12")) \
+ + (BANK(\1) == BANK("Pics 13")) * ($14 - BANK("Pics 13")) \
+ + (BANK(\1) == BANK("Pics 14")) * ($1f - BANK("Pics 14")) \
+ + (BANK(\1))
dw \1
ENDM
@@ -128,6 +128,6 @@ sine_table: MACRO
x = 0
rept \1
dw (sin(x) + (sin(x) & $ff)) >> 8 ; round up
-x = x + DIV(32768, \1); a circle has 65536 "degrees"
+x = x + DIV(32768, \1) ; a circle has 65536 "degrees"
endr
ENDM
diff --git a/wram.asm b/wram.asm
index 08f4db38..34c86122 100644
--- a/wram.asm
+++ b/wram.asm
@@ -2034,8 +2034,7 @@ wScriptTextAddr::
ds 1
wWildEncounterCooldown:: db ; d179
wXYComparePointer:: dw ; d17a
-wd17c:: ds 1 ; d17c
- ds 3
+wd17c:: flag_array 32 ; d17c
wBattleScriptFlags:: dw ; d180
wPlayerSpriteSetupFlags:: ; d182
db
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-28 17:17:14 +0000