diff options
Diffstat (limited to 'home/init.asm')
| -rw-r--r-- | home/init.asm | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/home/init.asm b/home/init.asm index 0e690aa..4c06359 100644 --- a/home/init.asm +++ b/home/init.asm @@ -1,17 +1,24 @@ INCLUDE "constants.asm" + +SECTION "NULL", ROM0 +NULL:: + + SECTION "home/init.asm@Entry point", ROM0 nop jp Init + SECTION "home/init.asm@Global check value", ROM0 -; The ROM has an incorrect global check, so set it here -; It is not corrected by RGBFIX +; The ROM has an incorrect global check, so set it here. +; It is not corrected by RGBFIX. dw $C621 + SECTION "home/init.asm@Init", ROM0 -Reset: ; 51c (0:051c) +Reset: call DisableAudio call ClearPalettes ei @@ -22,9 +29,9 @@ Reset: ; 51c (0:051c) ld c, 32 call DelayFrames - jr Init + jr Init ; pointless -Init: ; 052f +Init: di xor a ld [rIF], a @@ -49,15 +56,17 @@ Init: ; 052f ld sp, wStackBottom call ClearVRAM + ld hl, WRAM0_Begin ld bc, WRAM1_End - WRAM0_Begin -.ByteFill ; 0565 +.clear_loop ld [hl], 0 inc hl dec bc ld a, b or c - jr nz, .ByteFill + jr nz, .clear_loop + ld hl, HRAM_Begin ld bc, HRAM_End - HRAM_Begin call ByteFill @@ -117,7 +126,7 @@ Init: ; 052f ld [MBC3SRamEnable], a jp GameInit -ClearVRAM: ; 05e6 +ClearVRAM: ld hl, VRAM_Begin ld bc, VRAM_End - VRAM_Begin xor a @@ -125,13 +134,11 @@ ClearVRAM: ; 05e6 ret BlankBGMap: - ld a, $7f + ld a, " " jr _FillBGMap FillBGMap: ld a, l - ; fallthrough - _FillBGMap: ld de, BG_MAP_WIDTH * BG_MAP_HEIGHT ld l, e @@ -141,4 +148,4 @@ _FillBGMap: jr nz, .loop dec d jr nz, .loop - ret
\ No newline at end of file + ret |