mirror of https://github.com/pret/pokecrystal.git
73 lines
1.1 KiB
NASM
73 lines
1.1 KiB
NASM
; rst vectors (called through the rst instruction)
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SECTION "rst0", ROM0[$0000]
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di
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jp Start
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SECTION "rst8", ROM0[$0008]
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FarCall::
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jp FarCall_hl
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SECTION "rst10", ROM0[$0010]
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Bankswitch::
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ldh [hROMBank], a
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ld [MBC3RomBank], a
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ret
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SECTION "rst18", ROM0[$0018]
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rst $38
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SECTION "rst20", ROM0[$0020]
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rst $38
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SECTION "rst28", ROM0[$0028]
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JumpTable::
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push de
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ld e, a
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ld d, 0
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add hl, de
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add hl, de
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ld a, [hli]
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ld h, [hl]
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; SECTION "rst30", ROM0[$0030]
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ld l, a
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pop de
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jp hl
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SECTION "rst38", ROM0[$0038]
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rst $38
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; Game Boy hardware interrupts
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SECTION "vblank", ROM0[$0040]
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jp VBlank
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SECTION "lcd", ROM0[$0048]
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jp LCD
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SECTION "timer", ROM0[$0050]
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jp MobileTimer
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SECTION "serial", ROM0[$0058]
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jp Serial
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SECTION "joypad", ROM0[$0060]
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jp Joypad
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SECTION "Header", ROM0[$0100]
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Start::
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; Nintendo requires all Game Boy ROMs to begin with a nop ($00) and a jp ($C3)
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; to the starting address.
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nop
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jp _Start
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; The Game Boy cartridge header data is patched over by rgbfix.
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; This makes sure it doesn't get used for anything else.
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ds $0150 - @, $00
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ENDSECTION
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