mirror of https://github.com/LIJI32/SameBoy.git
Update bootrom code with the latest hardware.inc
This commit is contained in:
Rangi42
parent
3116f63e37
commit
9588cf44aa
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@ -1,2 +1,2 @@
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DEF AGB = 1
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include "cgb_boot.asm"
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DEF AGB = 1
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include "cgb_boot.asm"
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@ -1,2 +1,2 @@
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DEF CGB0 = 1
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include "cgb_boot.asm"
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DEF CGB0 = 1
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include "cgb_boot.asm"
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File diff suppressed because it is too large
Load Diff
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@ -1,2 +1,2 @@
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DEF FAST = 1
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include "cgb_boot.asm"
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DEF FAST = 1
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include "cgb_boot.asm"
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@ -1,14 +1,14 @@
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; SameBoy DMG bootstrap ROM
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INCLUDE "hardware.inc"
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include "sameboot.inc"
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SECTION "BootCode", ROM0[$0]
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SECTION "BootCode", ROM0[$0000]
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Start:
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; Init stack pointer
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ld sp, $fffe
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ld sp, $FFFE
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; Clear memory VRAM
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ld hl, $8000
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ld hl, _VRAM
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xor a
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.clearVRAMLoop
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@ -17,24 +17,25 @@ Start:
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jr z, .clearVRAMLoop
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; Init Audio
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ld a, $80
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ld a, AUDENA_ON
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ldh [rNR52], a
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assert AUDENA_ON == AUDLEN_DUTY_50
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ldh [rNR11], a
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ld a, $f3
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ldh [rNR12], a
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ldh [rNR51], a
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ld a, $F3
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ldh [rNR12], a ; Envelope $F, decreasing, sweep $3
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ldh [rNR51], a ; Channels 1+2+3+4 left, channels 1+2 right
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ld a, $77
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ldh [rNR50], a
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ldh [rNR50], a ; Volume $7, left and right
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; Init BG palette
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ld a, $54
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ld a, %01_01_01_00
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ldh [rBGP], a
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; Load logo from ROM.
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; A nibble represents a 4-pixels line, 2 bytes represent a 4x4 tile, scaled to 8x8.
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; Tiles are ordered left to right, top to bottom.
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ld de, $104 ; Logo start
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ld hl, $8010 ; This is where we load the tiles in VRAM
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ld de, NintendoLogo
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ld hl, _VRAM + $10 ; This is where we load the tiles in VRAM
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.loadLogoLoop
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ld a, [de] ; Read 2 rows
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@ -43,45 +44,45 @@ Start:
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call DoubleBitsAndWriteRow
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inc de
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ld a, e
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xor $34 ; End of logo
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xor LOW(NintendoLogoEnd)
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jr nz, .loadLogoLoop
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; Load trademark symbol
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ld de, TrademarkSymbol
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ld c,$08
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ld c, TrademarkSymbolEnd - TrademarkSymbol
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.loadTrademarkSymbolLoop:
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ld a,[de]
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ld a, [de]
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inc de
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ldi [hl],a
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ldi [hl], a
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inc hl
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dec c
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jr nz, .loadTrademarkSymbolLoop
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; Set up tilemap
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ld a,$19 ; Trademark symbol
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ld [$9910], a ; ... put in the superscript position
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ld hl,$992f ; Bottom right corner of the logo
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ld c,$c ; Tiles in a logo row
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ld a, $19 ; Trademark symbol tile ID
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ld [_SCRN0 + 8 * SCRN_VX_B + 16], a ; ... put in the superscript position
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ld hl, _SCRN0 + 9 * SCRN_VX_B + 15 ; Bottom right corner of the logo
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ld c, 12 ; Tiles in a logo row
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.tilemapLoop
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dec a
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jr z, .tilemapDone
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ldd [hl], a
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dec c
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jr nz, .tilemapLoop
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ld l,$0f ; Jump to top row
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ld l, $0F ; Jump to top row
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jr .tilemapLoop
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.tilemapDone
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ld a, 30
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ldh [rSCY], a
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; Turn on LCD
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ld a, $91
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ld a, LCDCF_ON | LCDCF_BLK01 | LCDCF_BGON
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ldh [rLCDC], a
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ld d, (-119) & $FF
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ld d, LOW(-119)
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ld c, 15
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.animate
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call WaitFrame
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ld a, d
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@ -94,41 +95,41 @@ Start:
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ld a, c
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cp 8
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jr nz, .noPaletteChange
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ld a, $A8
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ld a, %10_10_10_00
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ldh [rBGP], a
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.noPaletteChange
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dec c
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jr nz, .animate
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ld a, $fc
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ld a, %11_11_11_00
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ldh [rBGP], a
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; Play first sound
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ld a, $83
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call PlaySound
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ld b, 5
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call WaitBFrames
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; Play second sound
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ld a, $c1
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ld a, $C1
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call PlaySound
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; Wait ~1 second
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ld b, 60
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call WaitBFrames
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; Set registers to match the original DMG boot
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IF DEF(MGB)
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ld hl, $FFB0
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ld hl, (BOOTUP_A_MGB << 8) | $B0
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ELSE
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ld hl, $01B0
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ld hl, (BOOTUP_A_DMG << 8) | $B0
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ENDC
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push hl
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pop af
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ld hl, $014D
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ld bc, $0013
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ld de, $00D8
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ld hl, HeaderChecksum
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lb bc, 0, LOW(rNR13) ; $0013
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lb de, 0, $D8 ; $00D8
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; Boot the game
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jp BootGame
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@ -155,7 +156,7 @@ DoubleBitsAndWriteRow:
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WaitFrame:
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push hl
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ld hl, $FF0F
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ld hl, rIF
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res 0, [hl]
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.wait
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bit 0, [hl]
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@ -171,14 +172,25 @@ WaitBFrames:
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PlaySound:
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ldh [rNR13], a
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ld a, $87
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ld a, AUDHIGH_RESTART | $7
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ldh [rNR14], a
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ret
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TrademarkSymbol:
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db $3c,$42,$b9,$a5,$b9,$a5,$42,$3c
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pusho
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opt b.X
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db %..XXXX..
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db %.X....X.
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db %X.XXX..X
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db %X.X..X.X
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db %X.XXX..X
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db %X.X..X.X
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db %.X....X.
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db %..XXXX..
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popo
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TrademarkSymbolEnd:
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SECTION "BootGame", ROM0[$fe]
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SECTION "BootGame", ROM0[$00FE]
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BootGame:
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ldh [rBANK], a ; unmap boot ROM
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ldh [rBANK], a ; unmap boot ROM
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@ -1,9 +1,16 @@
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;*
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;* Gameboy Hardware definitions
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;* https://github.com/gbdev/hardware.inc
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;*
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;* Based on Jones' hardware.inc
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;* And based on Carsten Sorensen's ideas.
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;*
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;* To the extent possible under law, the authors of this work have
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;* waived all copyright and related or neighboring rights to the work.
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;* See https://creativecommons.org/publicdomain/zero/1.0/ for details.
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;*
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;* SPDX-License-Identifier: CC0-1.0
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;*
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;* Rev 1.1 - 15-Jul-97 : Added define check
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;* Rev 1.2 - 18-Jul-97 : Added revision check macro
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;* Rev 1.3 - 19-Jul-97 : Modified for RGBASM V1.05
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@ -31,6 +38,17 @@
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;* Rev 4.3 - 07-Nov-21 : Deprecate VRAM address constants (Eievui)
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;* Rev 4.4 - 11-Jan-22 : Deprecate VRAM CART_SRAM_2KB constant (avivace)
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;* Rev 4.5 - 03-Mar-22 : Added bit number definitions for OCPS, BCPS and LCDC (sukus)
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;* Rev 4.6 - 15-Jun-22 : Added MBC3 registers and special values
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;* Rev 4.7.0 - 27-Jun-22 : Added alternate names for some constants
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;* Rev 4.7.1 - 05-Jul-22 : Added RPB_LED_ON constant
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;* Rev 4.8.0 - 25-Oct-22 : Changed background addressing constants (zlago)
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;* Rev 4.8.1 - 29-Apr-23 : Added rOPRI (rbong)
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;* Rev 4.9.0 - 24-Jun-23 : Added definitions for interrupt vectors (sukus)
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;* Rev 4.9.1 - 11-Sep-23 : Added repository link and CC0 waiver notice
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; NOTE: REVISION NUMBER CHANGES MUST BE REFLECTED
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; IN `rev_Check_hardware_inc` BELOW!
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IF __RGBDS_MAJOR__ == 0 && __RGBDS_MINOR__ < 5
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FAIL "This version of 'hardware.inc' requires RGBDS version 0.5.0 or later."
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@ -41,14 +59,31 @@ ENDC
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IF !DEF(HARDWARE_INC)
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DEF HARDWARE_INC EQU 1
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; Usage: rev_Check_hardware_inc <min_ver>
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; Examples: rev_Check_hardware_inc 4.1.2
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; rev_Check_hardware_inc 4.1 (equivalent to 4.1.0)
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; rev_Check_hardware_inc 4 (equivalent to 4.0.0)
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MACRO rev_Check_hardware_inc
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;NOTE: REVISION NUMBER CHANGES MUST BE ADDED
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;TO SECOND PARAMETER IN FOLLOWING LINE.
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IF \1 > 4.5 ;PUT REVISION NUMBER HERE
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WARN "Version \1 or later of 'hardware.inc' is required."
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DEF CUR_VER equs "4,9,1" ; ** UPDATE THIS LINE WHEN CHANGING THE REVISION NUMBER **
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DEF MIN_VER equs STRRPL("\1", ".", ",")
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DEF INTERNAL_CHK equs """MACRO ___internal
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IF \\1 != \\4 || \\2 < \\5 || (\\2 == \\5 && \\3 < \\6)
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FAIL "Version \\1.\\2.\\3 of 'hardware.inc' is incompatible with requested version \\4.\\5.\\6"
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ENDC
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\nENDM"""
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INTERNAL_CHK
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___internal {CUR_VER}, {MIN_VER},0,0
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PURGE CUR_VER, MIN_VER, INTERNAL_CHK, ___internal
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ENDM
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;***************************************************************************
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;*
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;* General memory region constants
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;*
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;***************************************************************************
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DEF _VRAM EQU $8000 ; $8000->$9FFF
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DEF _SCRN0 EQU $9800 ; $9800->$9BFF
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DEF _SCRN1 EQU $9C00 ; $9C00->$9FFF
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@ -60,17 +95,80 @@ DEF _IO EQU $FF00 ; $FF00->$FF7F,$FFFF
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DEF _AUD3WAVERAM EQU $FF30 ; $FF30->$FF3F
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DEF _HRAM EQU $FF80 ; $FF80->$FFFE
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; *** MBC5 Equates ***
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DEF rRAMG EQU $0000 ; $0000->$1fff
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DEF rROMB0 EQU $2000 ; $2000->$2fff
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DEF rROMB1 EQU $3000 ; $3000->$3fff - If more than 256 ROM banks are present.
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DEF rRAMB EQU $4000 ; $4000->$5fff - Bit 3 enables rumble (if present)
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;***************************************************************************
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;*
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;* MBC registers
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;*
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;***************************************************************************
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; *** Common ***
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; --
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; -- RAMG ($0000-$1FFF)
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; -- Controls whether access to SRAM (and the MBC3 RTC registers) is allowed (W)
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; --
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DEF rRAMG EQU $0000
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DEF CART_SRAM_ENABLE EQU $0A
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DEF CART_SRAM_DISABLE EQU $00
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; --
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; -- ROMB0 ($2000-$3FFF)
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; -- Selects which ROM bank is mapped to the ROMX space ($4000-$7FFF) (W)
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; --
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; -- The range of accepted values, as well as the behavior of writing $00,
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; -- varies depending on the MBC.
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; --
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DEF rROMB0 EQU $2000
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; --
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; -- RAMB ($4000-$5FFF)
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; -- Selects which SRAM bank is mapped to the SRAM space ($A000-$BFFF) (W)
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; --
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; -- The range of accepted values varies depending on the cartridge configuration.
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; --
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DEF rRAMB EQU $4000
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; *** MBC3-specific registers ***
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; Write one of these to rRAMG to map the corresponding RTC register to all SRAM space
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DEF RTC_S EQU $08 ; Seconds (0-59)
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DEF RTC_M EQU $09 ; Minutes (0-59)
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DEF RTC_H EQU $0A ; Hours (0-23)
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DEF RTC_DL EQU $0B ; Lower 8 bits of Day Counter ($00-$FF)
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DEF RTC_DH EQU $0C ; Bit 7 - Day Counter Carry Bit (1=Counter Overflow)
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; Bit 6 - Halt (0=Active, 1=Stop Timer)
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; Bit 0 - Most significant bit of Day Counter (Bit 8)
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; --
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; -- RTCLATCH ($6000-$7FFF)
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; -- Write $00 then $01 to latch the current time into the RTC registers (W)
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; --
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DEF rRTCLATCH EQU $6000
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; *** MBC5-specific register ***
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; --
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; -- ROMB1 ($3000-$3FFF)
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; -- A 9th bit that "extends" ROMB0 if more than 256 banks are present (W)
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; --
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; -- Also note that rROMB0 thus only spans $2000-$2FFF.
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; --
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DEF rROMB1 EQU $3000
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; Bit 3 of RAMB enables the rumble motor (if any)
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DEF CART_RUMBLE_ON EQU 1 << 3
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;***************************************************************************
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;*
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;* Custom registers
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;* Memory-mapped registers
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;*
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;***************************************************************************
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@ -105,9 +203,9 @@ DEF rSB EQU $FF01
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; --
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DEF rSC EQU $FF02
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DEF SCF_START EQU %10000000 ;Transfer Start Flag (1=Transfer in progress, or requested)
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DEF SCF_SPEED EQU %00000010 ;Clock Speed (0=Normal, 1=Fast) ** CGB Mode Only **
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DEF SCF_SOURCE EQU %00000001 ;Shift Clock (0=External Clock, 1=Internal Clock)
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DEF SCF_START EQU %10000000 ; Transfer Start Flag (1=Transfer in progress, or requested)
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DEF SCF_SPEED EQU %00000010 ; Clock Speed (0=Normal, 1=Fast) ** CGB Mode Only **
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DEF SCF_SOURCE EQU %00000001 ; Shift Clock (0=External Clock, 1=Internal Clock)
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DEF SCB_START EQU 7
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DEF SCB_SPEED EQU 1
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@ -444,8 +542,8 @@ DEF LCDCF_WIN9800 EQU %00000000 ; Window Tile Map Display Select
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DEF LCDCF_WIN9C00 EQU %01000000 ; Window Tile Map Display Select
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DEF LCDCF_WINOFF EQU %00000000 ; Window Display
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DEF LCDCF_WINON EQU %00100000 ; Window Display
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DEF LCDCF_BG8800 EQU %00000000 ; BG & Window Tile Data Select
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DEF LCDCF_BG8000 EQU %00010000 ; BG & Window Tile Data Select
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DEF LCDCF_BLK21 EQU %00000000 ; BG & Window Tile Data Select
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DEF LCDCF_BLK01 EQU %00010000 ; BG & Window Tile Data Select
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DEF LCDCF_BG9800 EQU %00000000 ; BG Tile Map Display Select
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DEF LCDCF_BG9C00 EQU %00001000 ; BG Tile Map Display Select
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DEF LCDCF_OBJ8 EQU %00000000 ; OBJ Construction
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@ -458,7 +556,7 @@ DEF LCDCF_BGON EQU %00000001 ; BG Display
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DEF LCDCB_ON EQU 7 ; LCD Control Operation
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DEF LCDCB_WIN9C00 EQU 6 ; Window Tile Map Display Select
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DEF LCDCB_WINON EQU 5 ; Window Display
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DEF LCDCB_BG8000 EQU 4 ; BG & Window Tile Data Select
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DEF LCDCB_BLKS EQU 4 ; BG & Window Tile Data Select
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DEF LCDCB_BG9C00 EQU 3 ; BG Tile Map Display Select
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DEF LCDCB_OBJ16 EQU 2 ; OBJ Construction
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DEF LCDCB_OBJON EQU 1 ; OBJ Display
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@ -661,39 +759,65 @@ DEF RPF_DATAIN EQU %00000010 ; 0=Receiving IR Signal, 1=Normal
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DEF RPF_WRITE_HI EQU %00000001
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DEF RPF_WRITE_LO EQU %00000000
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DEF RPB_LED_ON EQU 0
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DEF RPB_DATAIN EQU 1
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; --
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; -- BCPS ($FF68)
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; -- Background Color Palette Specification (R/W)
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; -- BCPS/BGPI ($FF68)
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; -- Background Color Palette Specification (aka Background Palette Index) (R/W)
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; --
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DEF rBCPS EQU $FF68
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DEF rBGPI EQU rBCPS
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DEF BCPSF_AUTOINC EQU %10000000 ; Auto Increment (0=Disabled, 1=Increment after Writing)
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DEF BCPSB_AUTOINC EQU 7
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DEF BGPIF_AUTOINC EQU BCPSF_AUTOINC
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DEF BGPIB_AUTOINC EQU BCPSB_AUTOINC
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; --
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; -- BCPD ($FF69)
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; -- Background Color Palette Data (R/W)
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; -- BCPD/BGPD ($FF69)
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; -- Background Color Palette Data (aka Background Palette Data) (R/W)
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; --
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DEF rBCPD EQU $FF69
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DEF rBGPD EQU rBCPD
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; --
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; -- OCPS ($FF6A)
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; -- Object Color Palette Specification (R/W)
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; -- OCPS/OBPI ($FF6A)
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; -- Object Color Palette Specification (aka Object Background Palette Index) (R/W)
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; --
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||||
DEF rOCPS EQU $FF6A
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||||
DEF rOBPI EQU rOCPS
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||||
|
||||
DEF OCPSF_AUTOINC EQU %10000000 ; Auto Increment (0=Disabled, 1=Increment after Writing)
|
||||
DEF OCPSB_AUTOINC EQU 7
|
||||
DEF OBPIF_AUTOINC EQU OCPSF_AUTOINC
|
||||
DEF OBPIB_AUTOINC EQU OCPSB_AUTOINC
|
||||
|
||||
|
||||
; --
|
||||
; -- OCPD ($FF6B)
|
||||
; -- Object Color Palette Data (R/W)
|
||||
; -- OCPD/OBPD ($FF6B)
|
||||
; -- Object Color Palette Data (aka Object Background Palette Data) (R/W)
|
||||
; --
|
||||
DEF rOCPD EQU $FF6B
|
||||
DEF rOBPD EQU rOCPD
|
||||
|
||||
|
||||
; --
|
||||
; -- OPRI ($FF6C)
|
||||
; -- Object Priority Mode (R/W)
|
||||
; -- CGB Only
|
||||
|
||||
; --
|
||||
; -- Priority can be changed only from the boot ROM
|
||||
; --
|
||||
DEF rOPRI EQU $FF6C
|
||||
|
||||
DEF OPRI_OAM EQU 0 ; Prioritize objects by location in OAM (CGB Mode default)
|
||||
DEF OPRI_COORD EQU 1 ; Prioritize objects by x-coordinate (Non-CGB Mode default)
|
||||
|
||||
|
||||
|
||||
; --
|
||||
|
|
@ -726,17 +850,6 @@ DEF rPCM12 EQU $FF76
|
|||
DEF rPCM34 EQU $FF77
|
||||
|
||||
|
||||
; SameBoy additions
|
||||
DEF rKEY0 EQU $FF4C
|
||||
DEF rBANK EQU $FF50
|
||||
DEF rOPRI EQU $FF6C
|
||||
|
||||
DEF rJOYP EQU rP1
|
||||
DEF rBGPI EQU rBCPS
|
||||
DEF rBGPD EQU rBCPD
|
||||
DEF rOBPI EQU rOCPS
|
||||
DEF rOBPD EQU rOCPD
|
||||
|
||||
; --
|
||||
; -- IE ($FFFF)
|
||||
; -- Interrupt Enable (R/W)
|
||||
|
|
@ -790,7 +903,6 @@ DEF AUDENV_DOWN EQU %00000000
|
|||
; -- Can be used with AUD1HIGH, AUD2HIGH, AUD3HIGH
|
||||
; -- See AUD1HIGH for more info
|
||||
; --
|
||||
|
||||
DEF AUDHIGH_RESTART EQU %10000000
|
||||
DEF AUDHIGH_LENGTH_ON EQU %01000000
|
||||
DEF AUDHIGH_LENGTH_OFF EQU %00000000
|
||||
|
|
@ -814,10 +926,33 @@ DEF BOOTUP_B_AGB EQU %00000001 ; GBA, GBA SP, Game Boy Player, or New GBA S
|
|||
|
||||
;***************************************************************************
|
||||
;*
|
||||
;* Cart related
|
||||
;* Interrupt vector addresses
|
||||
;*
|
||||
;***************************************************************************
|
||||
|
||||
DEF INT_HANDLER_VBLANK EQU $0040
|
||||
DEF INT_HANDLER_STAT EQU $0048
|
||||
DEF INT_HANDLER_TIMER EQU $0050
|
||||
DEF INT_HANDLER_SERIAL EQU $0058
|
||||
DEF INT_HANDLER_JOYPAD EQU $0060
|
||||
|
||||
|
||||
;***************************************************************************
|
||||
;*
|
||||
;* Header
|
||||
;*
|
||||
;***************************************************************************
|
||||
|
||||
;*
|
||||
;* Nintendo scrolling logo
|
||||
;* (Code won't work on a real GameBoy)
|
||||
;* (if next lines are altered.)
|
||||
MACRO NINTENDO_LOGO
|
||||
DB $CE,$ED,$66,$66,$CC,$0D,$00,$0B,$03,$73,$00,$83,$00,$0C,$00,$0D
|
||||
DB $00,$08,$11,$1F,$88,$89,$00,$0E,$DC,$CC,$6E,$E6,$DD,$DD,$D9,$99
|
||||
DB $BB,$BB,$67,$63,$6E,$0E,$EC,$CC,$DD,$DC,$99,$9F,$BB,$B9,$33,$3E
|
||||
ENDM
|
||||
|
||||
; $0143 Color GameBoy compatibility code
|
||||
DEF CART_COMPATIBLE_DMG EQU $00
|
||||
DEF CART_COMPATIBLE_DMG_GBC EQU $80
|
||||
|
|
@ -878,9 +1013,6 @@ DEF CART_SRAM_8KB EQU 2 ; 1 bank
|
|||
DEF CART_SRAM_32KB EQU 3 ; 4 banks
|
||||
DEF CART_SRAM_128KB EQU 4 ; 16 banks
|
||||
|
||||
DEF CART_SRAM_ENABLE EQU $0A
|
||||
DEF CART_SRAM_DISABLE EQU $00
|
||||
|
||||
; $014A Destination code
|
||||
DEF CART_DEST_JAPANESE EQU $00
|
||||
DEF CART_DEST_NON_JAPANESE EQU $01
|
||||
|
|
@ -918,7 +1050,7 @@ DEF PADB_A EQU $0
|
|||
;***************************************************************************
|
||||
|
||||
DEF SCRN_X EQU 160 ; Width of screen in pixels
|
||||
DEF SCRN_Y EQU 144 ; Height of screen in pixels
|
||||
DEF SCRN_Y EQU 144 ; Height of screen in pixels. Also corresponds to the value in LY at the beginning of VBlank.
|
||||
DEF SCRN_X_B EQU 20 ; Width of screen in bytes
|
||||
DEF SCRN_Y_B EQU 18 ; Height of screen in bytes
|
||||
|
||||
|
|
@ -966,16 +1098,6 @@ DEF OAMB_PAL1 EQU 4 ; Palette number; 0,1 (DMG)
|
|||
DEF OAMB_BANK1 EQU 3 ; Bank number; 0,1 (GBC)
|
||||
|
||||
|
||||
;*
|
||||
;* Nintendo scrolling logo
|
||||
;* (Code won't work on a real GameBoy)
|
||||
;* (if next lines are altered.)
|
||||
MACRO NINTENDO_LOGO
|
||||
DB $CE,$ED,$66,$66,$CC,$0D,$00,$0B,$03,$73,$00,$83,$00,$0C,$00,$0D
|
||||
DB $00,$08,$11,$1F,$88,$89,$00,$0E,$DC,$CC,$6E,$E6,$DD,$DD,$D9,$99
|
||||
DB $BB,$BB,$67,$63,$6E,$0E,$EC,$CC,$DD,$DC,$99,$9F,$BB,$B9,$33,$3E
|
||||
ENDM
|
||||
|
||||
; Deprecated constants. Please avoid using.
|
||||
|
||||
DEF IEF_LCDC EQU %00000010 ; LCDC (see STAT)
|
||||
|
|
@ -983,6 +1105,9 @@ DEF _VRAM8000 EQU _VRAM
|
|||
DEF _VRAM8800 EQU _VRAM+$800
|
||||
DEF _VRAM9000 EQU _VRAM+$1000
|
||||
DEF CART_SRAM_2KB EQU 1 ; 1 incomplete bank
|
||||
DEF LCDCF_BG8800 EQU %00000000 ; BG & Window Tile Data Select
|
||||
DEF LCDCF_BG8000 EQU %00010000 ; BG & Window Tile Data Select
|
||||
DEF LCDCB_BG8000 EQU 4 ; BG & Window Tile Data Select
|
||||
|
||||
|
||||
ENDC ;HARDWARE_INC
|
||||
|
|
|
|||
|
|
@ -1,2 +1,2 @@
|
|||
DEF MGB = 1
|
||||
include "dmg_boot.asm"
|
||||
DEF MGB = 1
|
||||
include "dmg_boot.asm"
|
||||
|
|
|
|||
|
|
@ -0,0 +1,40 @@
|
|||
IF !DEF(SAMEBOY_INC)
|
||||
DEF SAMEBOY_INC EQU 1
|
||||
|
||||
include "hardware.inc"
|
||||
|
||||
DEF rKEY0 EQU $FF4C
|
||||
DEF rBANK EQU $FF50
|
||||
|
||||
DEF rJOYP EQU rP1
|
||||
|
||||
|
||||
MACRO lb ; r16, high, low
|
||||
ld \1, LOW(\2) << 8 | LOW(\3)
|
||||
ENDM
|
||||
|
||||
|
||||
MACRO header_section ; name, address
|
||||
PUSHS
|
||||
SECTION "\1", ROM0[\2]
|
||||
\1:
|
||||
POPS
|
||||
ENDM
|
||||
header_section EntryPoint, $0100
|
||||
header_section NintendoLogo, $0104
|
||||
header_section NintendoLogoEnd, $0134
|
||||
header_section Title, $0134
|
||||
header_section ManufacturerCode, $013F
|
||||
header_section CgbFlag, $0143
|
||||
header_section NewLicenseeCode, $0144
|
||||
header_section SgbFlag, $0146
|
||||
header_section CartridgeType, $0147
|
||||
header_section RomSize, $0148
|
||||
header_section RamSize, $0149
|
||||
header_section DestinationCode, $014A
|
||||
header_section OldLicenseeCode, $014B
|
||||
header_section MaskRomVersion, $014C
|
||||
header_section HeaderChecksum, $014D
|
||||
header_section GlobalChecksum, $014E
|
||||
|
||||
ENDC
|
||||
|
|
@ -1,2 +1,2 @@
|
|||
DEF SGB2 = 1
|
||||
include "sgb_boot.asm"
|
||||
DEF SGB2 = 1
|
||||
include "sgb_boot.asm"
|
||||
|
|
|
|||
|
|
@ -1,14 +1,14 @@
|
|||
; SameBoy SGB bootstrap ROM
|
||||
|
||||
INCLUDE "hardware.inc"
|
||||
include "sameboot.inc"
|
||||
|
||||
SECTION "BootCode", ROM0[$0]
|
||||
SECTION "BootCode", ROM0[$0000]
|
||||
Start:
|
||||
; Init stack pointer
|
||||
ld sp, $fffe
|
||||
ld sp, $FFFE
|
||||
|
||||
; Clear memory VRAM
|
||||
ld hl, $8000
|
||||
ld hl, _VRAM
|
||||
xor a
|
||||
|
||||
.clearVRAMLoop
|
||||
|
|
@ -17,24 +17,25 @@ Start:
|
|||
jr z, .clearVRAMLoop
|
||||
|
||||
; Init Audio
|
||||
ld a, $80
|
||||
ld a, AUDENA_ON
|
||||
ldh [rNR52], a
|
||||
assert AUDENA_ON == AUDLEN_DUTY_50
|
||||
ldh [rNR11], a
|
||||
ld a, $f3
|
||||
ldh [rNR12], a
|
||||
ldh [rNR51], a
|
||||
ld a, $F3
|
||||
ldh [rNR12], a ; Envelope $F, decreasing, sweep $3
|
||||
ldh [rNR51], a ; Channels 1+2+3+4 left, channels 1+2 right
|
||||
ld a, $77
|
||||
ldh [rNR50], a
|
||||
ldh [rNR50], a ; Volume $7, left and right
|
||||
|
||||
; Init BG palette to white
|
||||
ld a, $0
|
||||
ld a, %00_00_00_00
|
||||
ldh [rBGP], a
|
||||
|
||||
; Load logo from ROM.
|
||||
; A nibble represents a 4-pixels line, 2 bytes represent a 4x4 tile, scaled to 8x8.
|
||||
; Tiles are ordered left to right, top to bottom.
|
||||
ld de, $104 ; Logo start
|
||||
ld hl, $8010 ; This is where we load the tiles in VRAM
|
||||
ld de, NintendoLogo
|
||||
ld hl, _VRAM + $10 ; This is where we load the tiles in VRAM
|
||||
|
||||
.loadLogoLoop
|
||||
ld a, [de] ; Read 2 rows
|
||||
|
|
@ -43,43 +44,43 @@ Start:
|
|||
call DoubleBitsAndWriteRow
|
||||
inc de
|
||||
ld a, e
|
||||
xor $34 ; End of logo
|
||||
xor LOW(NintendoLogoEnd)
|
||||
jr nz, .loadLogoLoop
|
||||
|
||||
; Load trademark symbol
|
||||
ld de, TrademarkSymbol
|
||||
ld c,$08
|
||||
ld c, TrademarkSymbolEnd - TrademarkSymbol
|
||||
.loadTrademarkSymbolLoop:
|
||||
ld a,[de]
|
||||
ld a, [de]
|
||||
inc de
|
||||
ldi [hl],a
|
||||
ldi [hl], a
|
||||
inc hl
|
||||
dec c
|
||||
jr nz, .loadTrademarkSymbolLoop
|
||||
|
||||
; Set up tilemap
|
||||
ld a,$19 ; Trademark symbol
|
||||
ld [$9910], a ; ... put in the superscript position
|
||||
ld hl,$992f ; Bottom right corner of the logo
|
||||
ld c,$c ; Tiles in a logo row
|
||||
ld a, $19 ; Trademark symbol tile ID
|
||||
ld [_SCRN0 + 8 * SCRN_VX_B + 16], a ; ... put in the superscript position
|
||||
ld hl, _SCRN0 + 9 * SCRN_VX_B + 15 ; Bottom right corner of the logo
|
||||
ld c, 12 ; Tiles in a logo row
|
||||
.tilemapLoop
|
||||
dec a
|
||||
jr z, .tilemapDone
|
||||
ldd [hl], a
|
||||
dec c
|
||||
jr nz, .tilemapLoop
|
||||
ld l,$0f ; Jump to top row
|
||||
ld l, $0F ; Jump to top row
|
||||
jr .tilemapLoop
|
||||
.tilemapDone
|
||||
|
||||
; Turn on LCD
|
||||
ld a, $91
|
||||
ld a, LCDCF_ON | LCDCF_BLK01 | LCDCF_BGON
|
||||
ldh [rLCDC], a
|
||||
|
||||
ld a, $f1 ; Packet magic, increases by 2 for every packet
|
||||
ldh [_HRAM], a
|
||||
ld hl, $104 ; Header start
|
||||
|
||||
ld a, $F1 ; Packet magic, increases by 2 for every packet
|
||||
ldh [hCommand], a
|
||||
ld hl, NintendoLogo ; Header start
|
||||
|
||||
xor a
|
||||
ld c, a ; JOYP
|
||||
|
||||
|
|
@ -88,37 +89,37 @@ Start:
|
|||
ld [c], a
|
||||
ld a, $30
|
||||
ld [c], a
|
||||
|
||||
ldh a, [_HRAM]
|
||||
|
||||
ldh a, [hCommand]
|
||||
call SendByte
|
||||
push hl
|
||||
ld b, $e
|
||||
|
||||
ld b, 14
|
||||
ld d, 0
|
||||
|
||||
.checksumLoop
|
||||
call ReadHeaderByte
|
||||
add d
|
||||
ld d, a
|
||||
dec b
|
||||
jr nz, .checksumLoop
|
||||
|
||||
|
||||
; Send checksum
|
||||
call SendByte
|
||||
pop hl
|
||||
|
||||
ld b, $e
|
||||
|
||||
ld b, 14
|
||||
.sendLoop
|
||||
call ReadHeaderByte
|
||||
call SendByte
|
||||
dec b
|
||||
jr nz, .sendLoop
|
||||
|
||||
|
||||
; Done bit
|
||||
ld a, $20
|
||||
ld [c], a
|
||||
ld a, $30
|
||||
ld [c], a
|
||||
|
||||
|
||||
; Wait 4 frames
|
||||
ld e, 4
|
||||
ld a, 1
|
||||
|
|
@ -126,41 +127,41 @@ Start:
|
|||
xor a
|
||||
.waitLoop
|
||||
ldh [rIF], a
|
||||
db $76 ; halt, compatible with rgbds 0.5-0.8
|
||||
halt
|
||||
nop
|
||||
dec e
|
||||
jr nz, .waitLoop
|
||||
ldh [rIE], a
|
||||
|
||||
|
||||
; Update command
|
||||
ldh a, [_HRAM]
|
||||
ldh a, [hCommand]
|
||||
add 2
|
||||
ldh [_HRAM], a
|
||||
|
||||
ldh [hCommand], a
|
||||
|
||||
ld a, $58
|
||||
cp l
|
||||
jr nz, .sendCommand
|
||||
|
||||
|
||||
; Write to sound registers for DMG compatibility
|
||||
ld c, $13
|
||||
ld a, $c1
|
||||
ld c, LOW(rNR13)
|
||||
ld a, $C1
|
||||
ld [c], a
|
||||
inc c
|
||||
ld a, 7
|
||||
ld a, $7
|
||||
ld [c], a
|
||||
|
||||
|
||||
; Init BG palette
|
||||
ld a, $fc
|
||||
ld a, %11_11_11_00
|
||||
ldh [rBGP], a
|
||||
|
||||
|
||||
; Set registers to match the original SGB boot
|
||||
IF DEF(SGB2)
|
||||
ld a, $FF
|
||||
ld a, BOOTUP_A_MGB
|
||||
ELSE
|
||||
ld a, 1
|
||||
ld a, BOOTUP_A_DMG
|
||||
ENDC
|
||||
ld hl, $c060
|
||||
|
||||
ld hl, $C060
|
||||
|
||||
; Boot the game
|
||||
jp BootGame
|
||||
|
||||
|
|
@ -212,8 +213,23 @@ DoubleBitsAndWriteRow:
|
|||
ret
|
||||
|
||||
TrademarkSymbol:
|
||||
db $3c,$42,$b9,$a5,$b9,$a5,$42,$3c
|
||||
pusho
|
||||
opt b.X
|
||||
db %..XXXX..
|
||||
db %.X....X.
|
||||
db %X.XXX..X
|
||||
db %X.X..X.X
|
||||
db %X.XXX..X
|
||||
db %X.X..X.X
|
||||
db %.X....X.
|
||||
db %..XXXX..
|
||||
popo
|
||||
TrademarkSymbolEnd:
|
||||
|
||||
SECTION "BootGame", ROM0[$fe]
|
||||
SECTION "BootGame", ROM0[$00FE]
|
||||
BootGame:
|
||||
ldh [rBANK], a
|
||||
ldh [rBANK], a
|
||||
|
||||
SECTION "HRAM", HRAM[_HRAM]
|
||||
hCommand:
|
||||
ds 1
|
||||
|
|
|
|||
40
Makefile
40
Makefile
|
|
@ -387,7 +387,7 @@ endif
|
|||
$(OBJ)/SDL/%.dep: SDL/%
|
||||
-@$(MKDIR) -p $(dir $@)
|
||||
$(CC) $(CFLAGS) $(SDL_CFLAGS) $(GL_CFLAGS) -MT $(OBJ)/$^.o -M $^ -c -o $@
|
||||
|
||||
|
||||
$(OBJ)/OpenDialog/%.dep: OpenDialog/%
|
||||
-@$(MKDIR) -p $(dir $@)
|
||||
$(CC) $(CFLAGS) $(SDL_CFLAGS) $(GL_CFLAGS) -MT $(OBJ)/$^.o -M $^ -c -o $@
|
||||
|
|
@ -414,16 +414,16 @@ $(OBJ)/OpenDialog/%.c.o: OpenDialog/%.c
|
|||
$(OBJ)/%.c.o: %.c
|
||||
-@$(MKDIR) -p $(dir $@)
|
||||
$(CC) $(CFLAGS) $(FRONTEND_CFLAGS) $(FAT_FLAGS) -c $< -o $@
|
||||
|
||||
|
||||
# HexFiend requires more flags
|
||||
$(OBJ)/HexFiend/%.m.o: HexFiend/%.m
|
||||
-@$(MKDIR) -p $(dir $@)
|
||||
$(CC) $(CFLAGS) $(FRONTEND_CFLAGS) $(FAT_FLAGS) $(OCFLAGS) -c $< -o $@ -fno-objc-arc -include HexFiend/HexFiend_2_Framework_Prefix.pch
|
||||
|
||||
|
||||
$(OBJ)/%.m.o: %.m
|
||||
-@$(MKDIR) -p $(dir $@)
|
||||
$(CC) $(CFLAGS) $(FRONTEND_CFLAGS) $(FAT_FLAGS) $(OCFLAGS) -c $< -o $@
|
||||
|
||||
|
||||
# iOS Port
|
||||
|
||||
$(BIN)/SameBoy-iOS.app: $(BIN)/SameBoy-iOS.app/SameBoy \
|
||||
|
|
@ -495,7 +495,7 @@ endif
|
|||
|
||||
$(BIN)/SameBoy.app/Contents/Resources/%.nib: Cocoa/%.xib
|
||||
ibtool --target-device mac --minimum-deployment-target 10.9 --compile $@ $^ 2>&1 | cat -
|
||||
|
||||
|
||||
$(BIN)/SameBoy-iOS.app/%.storyboardc: iOS/%.storyboard
|
||||
ibtool --target-device iphone --target-device ipad --minimum-deployment-target $(IOS_MIN) --compile $@ $^ 2>&1 | cat -
|
||||
|
||||
|
|
@ -526,7 +526,7 @@ endif
|
|||
$(BIN)/SameBoy.qlgenerator/Contents/Resources/cgb_boot_fast.bin: $(BIN)/BootROMs/cgb_boot_fast.bin
|
||||
-@$(MKDIR) -p $(dir $@)
|
||||
cp -f $^ $@
|
||||
|
||||
|
||||
# SDL Port
|
||||
|
||||
# Unix versions build only one binary
|
||||
|
|
@ -611,7 +611,7 @@ $(BIN)/SDL/background.bmp: SDL/background.bmp
|
|||
$(BIN)/SDL/Shaders: Shaders
|
||||
-@$(MKDIR) -p $@
|
||||
cp -rf Shaders/*.fsh $@
|
||||
|
||||
|
||||
$(BIN)/SDL/Palettes: Misc/Palettes
|
||||
-@$(MKDIR) -p $@
|
||||
cp -rf Misc/Palettes/*.sbp $@
|
||||
|
|
@ -620,12 +620,12 @@ $(BIN)/SDL/Palettes: Misc/Palettes
|
|||
|
||||
$(OBJ)/%.2bpp: %.png
|
||||
-@$(MKDIR) -p $(dir $@)
|
||||
$(RGBGFX) $(if $(filter $(shell echo 'print __RGBDS_MAJOR__ || (!__RGBDS_MAJOR__ && __RGBDS_MINOR__ > 5)' | $(RGBASM) -), $$0), -h -u, -Z -u -c embedded) -o $@ $<
|
||||
$(RGBGFX) $(if $(filter $(shell echo 'println __RGBDS_MAJOR__ || (!__RGBDS_MAJOR__ && __RGBDS_MINOR__ > 5)' | $(RGBASM) -), $$0), -h -u, -Z -u -c embedded) -o $@ $<
|
||||
|
||||
$(OBJ)/BootROMs/SameBoyLogo.pb12: $(OBJ)/BootROMs/SameBoyLogo.2bpp $(PB12_COMPRESS)
|
||||
-@$(MKDIR) -p $(dir $@)
|
||||
"$(realpath $(PB12_COMPRESS))" < $< > $@
|
||||
|
||||
|
||||
$(PB12_COMPRESS): BootROMs/pb12.c
|
||||
-@$(MKDIR) -p $(dir $@)
|
||||
$(NATIVE_CC) -std=c99 -Wall -Werror $< -o $@
|
||||
|
|
@ -633,11 +633,11 @@ $(PB12_COMPRESS): BootROMs/pb12.c
|
|||
$(BIN)/BootROMs/cgb0_boot.bin: BootROMs/cgb_boot.asm
|
||||
$(BIN)/BootROMs/agb_boot.bin: BootROMs/cgb_boot.asm
|
||||
$(BIN)/BootROMs/cgb_boot_fast.bin: BootROMs/cgb_boot.asm
|
||||
$(BIN)/BootROMs/sgb2_boot: BootROMs/sgb_boot.asm
|
||||
$(BIN)/BootROMs/sgb2_boot.bin: BootROMs/sgb_boot.asm
|
||||
|
||||
$(BIN)/BootROMs/%.bin: BootROMs/%.asm $(OBJ)/BootROMs/SameBoyLogo.pb12
|
||||
-@$(MKDIR) -p $(dir $@)
|
||||
$(RGBASM) -i $(OBJ)/BootROMs/ -i BootROMs/ -o $@.tmp $<
|
||||
$(RGBASM) $(if $(filter $(shell echo 'println __RGBDS_MAJOR__ || (!__RGBDS_MAJOR__ && __RGBDS_MINOR__ > 6)' | $(RGBASM) -), $$0), -h,) --include $(OBJ)/BootROMs/ --include BootROMs/ -o $@.tmp $<
|
||||
$(RGBLINK) -x -o $@ $@.tmp
|
||||
@rm $@.tmp
|
||||
|
||||
|
|
@ -690,7 +690,7 @@ endif
|
|||
|
||||
ios:
|
||||
@$(MAKE) _ios
|
||||
|
||||
|
||||
$(BIN)/SameBoy-iOS.ipa: ios iOS/sideload.entitlements
|
||||
$(MKDIR) -p $(OBJ)/Payload
|
||||
cp -rf $(BIN)/SameBoy-iOS.app $(OBJ)/Payload/SameBoy-iOS.app
|
||||
|
|
@ -698,11 +698,11 @@ $(BIN)/SameBoy-iOS.ipa: ios iOS/sideload.entitlements
|
|||
(cd $(OBJ) && zip -q $(abspath $@) -r Payload)
|
||||
rm -rf $(OBJ)/Payload
|
||||
|
||||
|
||||
|
||||
$(BIN)/SameBoy-iOS.deb: $(OBJ)/debian-binary $(OBJ)/control.tar.gz $(OBJ)/data.tar.gz
|
||||
-@$(MKDIR) -p $(dir $@)
|
||||
(cd $(OBJ) && ar cr $(abspath $@) $(notdir $^))
|
||||
|
||||
|
||||
$(OBJ)/data.tar.gz: ios iOS/jailbreak.entitlements iOS/installer.entitlements
|
||||
$(MKDIR) -p $(OBJ)/private/var/containers/
|
||||
cp -rf $(BIN)/SameBoy-iOS.app $(OBJ)/private/var/containers/SameBoy-iOS.app
|
||||
|
|
@ -711,7 +711,7 @@ $(OBJ)/data.tar.gz: ios iOS/jailbreak.entitlements iOS/installer.entitlements
|
|||
codesign -fs - --entitlements iOS/jailbreak.entitlements $(OBJ)/private/var/containers/SameBoy-iOS.app
|
||||
(cd $(OBJ) && tar -czf $(abspath $@) --format ustar --uid 501 --gid 501 --numeric-owner ./private)
|
||||
rm -rf $(OBJ)/private/
|
||||
|
||||
|
||||
$(OBJ)/control.tar.gz: iOS/deb-postinst iOS/deb-prerm iOS/deb-control
|
||||
-@$(MKDIR) -p $(dir $@)
|
||||
sed "s/@VERSION/$(VERSION)/" < iOS/deb-control > $(OBJ)/control
|
||||
|
|
@ -719,11 +719,11 @@ $(OBJ)/control.tar.gz: iOS/deb-postinst iOS/deb-prerm iOS/deb-control
|
|||
ln iOS/deb-prerm $(OBJ)/prerm
|
||||
(cd $(OBJ) && tar -czf $(abspath $@) --format ustar --uid 501 --gid 501 --numeric-owner ./control ./postinst ./prerm)
|
||||
rm $(OBJ)/control $(OBJ)/postinst $(OBJ)/prerm
|
||||
|
||||
|
||||
$(OBJ)/debian-binary:
|
||||
-@$(MKDIR) -p $(dir $@)
|
||||
echo 2.0 > $@
|
||||
|
||||
|
||||
$(LIBDIR)/libsameboy.o: $(CORE_OBJECTS)
|
||||
-@$(MKDIR) -p $(dir $@)
|
||||
@# This is a somewhat simple hack to force Clang and GCC to build a native object file out of one or many LTO objects
|
||||
|
|
@ -731,12 +731,12 @@ $(LIBDIR)/libsameboy.o: $(CORE_OBJECTS)
|
|||
@# And this is a somewhat complicated hack to invoke the correct LTO-enabled LD command in a mostly cross-platform nature
|
||||
$(CC) $(FAT_FLAGS) $(CFLAGS) $(LIBFLAGS) $^ $(OBJ)/lto_hack.o -o $@
|
||||
-@rm $(OBJ)/lto_hack.o
|
||||
|
||||
|
||||
$(LIBDIR)/libsameboy.a: $(LIBDIR)/libsameboy.o
|
||||
-@$(MKDIR) -p $(dir $@)
|
||||
-@rm -f $@
|
||||
ar -crs $@ $^
|
||||
|
||||
|
||||
$(INC)/%.h: Core/%.h
|
||||
-@$(MKDIR) -p $(dir $@)
|
||||
-@# CPPP doesn't like multibyte characters, so we replace the single quote character before processing so it doesn't complain
|
||||
|
|
@ -745,7 +745,7 @@ $(INC)/%.h: Core/%.h
|
|||
lib-unsupported:
|
||||
@echo Due to limitations of lld-link, compiling SameBoy as a library on Windows is not supported.
|
||||
@false
|
||||
|
||||
|
||||
# Clean
|
||||
clean:
|
||||
rm -rf build
|
||||
|
|
|
|||
Loading…
Reference in New Issue