mirror of
https://github.com/pret/pokegold-spaceworld.git
synced 2026-10-05 23:40:35 -04:00
pfero
cd9191b074
This makefile can now figure graphics dependencies on its own, creates dependency files for each compilation unit and compiles everything separately. This is a proposal. Please try it out, read the Makefile to see if you get what I'm trying to do, and propose any improvements you want.
134 lines
2.3 KiB
NASM
134 lines
2.3 KiB
NASM
INCLUDE "constants.asm"
|
|
|
|
SECTION "Entry point", ROM0[$100]
|
|
nop
|
|
jp Init
|
|
|
|
SECTION "Global check value", ROM0[$14E]
|
|
; The ROM has an incorrect global check, so set it here
|
|
; It is not corrected by RGBFIX
|
|
db $21, $C6
|
|
|
|
|
|
SECTION "Init", ROM0[$52F]
|
|
|
|
Init: ; 052f
|
|
di
|
|
xor a
|
|
ld [rIF], a
|
|
ld [rIE], a
|
|
ld [rSCX], a
|
|
ld [rSCY], a
|
|
ld [rSB], a
|
|
ld [rSC], a
|
|
ld [rWX], a
|
|
ld [rWY], a
|
|
ld [rBGP], a
|
|
ld [rOBP0], a
|
|
ld [rOBP1], a
|
|
ld [rTMA], a
|
|
ld [rTAC], a
|
|
ld [wcc38], a ; Useless, since WRAM gets cleared right after
|
|
ld a, 1 << rTAC_ON | rTAC_4096_HZ
|
|
ld [rTAC], a
|
|
ld a, 1 << rLCDC_ENABLE
|
|
ld [rLCDC], a
|
|
call DisableLCD
|
|
|
|
ld sp, wStackBottom
|
|
call ClearVRAM
|
|
ld hl, WRAM0_Begin
|
|
ld bc, WRAM1_End - WRAM0_Begin
|
|
.ByteFill ; 0565
|
|
ld [hl], 0
|
|
inc hl
|
|
dec bc
|
|
ld a, b
|
|
or c
|
|
jr nz, .ByteFill
|
|
ld hl, HRAM_Begin
|
|
ld bc, HRAM_End - HRAM_Begin
|
|
call ByteFill
|
|
call ClearSprites
|
|
|
|
ld a, BANK(WriteOAMDMACodeToHRAM)
|
|
call Bankswitch
|
|
call WriteOAMDMACodeToHRAM
|
|
|
|
xor a
|
|
ldh [hMapAnims], a
|
|
ldh [hSCX], a
|
|
ldh [hSCY], a
|
|
ldh [rJOYP], a
|
|
ld a, 1 << rSTAT_HBLANK
|
|
ld [rSTAT], a
|
|
ld a, SCREEN_HEIGHT_PX
|
|
ldh [hWY], a
|
|
ld [rWY], a
|
|
ld a, 7
|
|
ldh [hWX], a
|
|
ld [rWX], a
|
|
|
|
ld a, $FF
|
|
ldh [hLinkPlayerNumber], a
|
|
ld h, HIGH($9800)
|
|
call BlankBGMap
|
|
ld h, HIGH($9C00)
|
|
call BlankBGMap
|
|
ld a, LCDC_DEFAULT
|
|
ld [rLCDC], a
|
|
|
|
call DisableAudio
|
|
call _2007
|
|
; predef ???
|
|
ld a, $4B ; TODO: add predefs so the line above can be uncommented
|
|
call Predef
|
|
ld a, $1F
|
|
ld [rIE], a
|
|
ld a, HIGH($9C00)
|
|
ldh [hBGMapAddress + 1], a
|
|
xor a
|
|
ldh [hBGMapAddress], a
|
|
|
|
call DisableLCD
|
|
call ClearVRAM
|
|
ld a, LCDC_DEFAULT
|
|
ld [rLCDC], a
|
|
ei
|
|
|
|
ld a, SRAM_ENABLE
|
|
ld [MBC3SRamEnable], a
|
|
ld a, RTC_DH
|
|
ld [MBC3SRamBank], a
|
|
xor a
|
|
ld [SRAM_Begin], a
|
|
ld a, 0 ; Useless
|
|
ld [MBC3LatchClock], a
|
|
ld [MBC3SRamEnable], a
|
|
jp GameInit
|
|
|
|
ClearVRAM: ; 05e6
|
|
ld hl, VRAM_Begin
|
|
ld bc, VRAM_End - VRAM_Begin
|
|
xor a
|
|
call ByteFill
|
|
ret
|
|
|
|
BlankBGMap:
|
|
ld a, $7F
|
|
jr _FillBGMap
|
|
|
|
FillBGMap:
|
|
ld a, l
|
|
|
|
_FillBGMap:
|
|
ld de, $400
|
|
ld l, e
|
|
.loop
|
|
ld [hli], a
|
|
dec e
|
|
jr nz, .loop
|
|
dec d
|
|
jr nz, .loop
|
|
ret
|