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home2.asm
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home2.asm
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DEF rLCDC_DEFAULT EQU %11100011
Init_home2::
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 [rTMA], a
ld [rTAC], a
ld [rBGP], a
ld [rOBP0], a
ld [rOBP1], a
ld a, rLCDC_ENABLE_MASK
ld [rLCDC], a
call DisableLCD
ld sp, wStack
ld hl, $c000 ; start of WRAM
ld bc, $2000 ; size of WRAM
.loop
ld [hl], 0
inc hl
dec bc
ld a, b
or c
jr nz, .loop
call ClearVram
ld hl, $ff80
ld bc, $fffe - $ff80
call FillMemory
ld a, SRAM_ENABLE
ld [MBC1SRamEnable], a
xor a
ld [MBC1SRamBank], a
; ld hl, sDFSUsed
; ld bc, sHallOfFame - sDFSUsed
; call FillMemory
ld hl, sDFSFreeEng
ld bc, $C000 - sDFSFreeEng
call FillMemory
ld [MBC1SRamEnable], a
call ClearSprites
call WriteDMACodeToHRAM_home2
xor a
ld [hTileAnimations], a
ld [rSTAT], a
ld [hSCX], a
ld [hSCY], a
ld [rIF], a
ld [wc0f3], a
ld [wc0f4], a
ld a, 1 << VBLANK + 1 << TIMER + 1 << SERIAL
ld [rIE], a
ld a, 144 ; move the window off-screen
ld [hWY], a
ld [rWY], a
ld a, 7
ld [rWX], a
ld a, CONNECTION_NOT_ESTABLISHED
ld [hSerialConnectionStatus], a
ld h, vBGMap0 / $100
call ClearBgMap
ld h, vBGMap1 / $100
call ClearBgMap
ld a, rLCDC_DEFAULT
ld [rLCDC], a
ld a, 16
ld [hSoftReset], a
jp home2_ret
WriteDMACodeToHRAM_home2:
; Since no other memory is available during OAM DMA,
; DMARoutine is copied to HRAM and executed there.
ld c, $ff80 % $100
ld b, DMARoutineEnd_home2 - DMARoutine_home2
ld hl, DMARoutine_home2
.copy
ld a, [hli]
ld [$ff00+c], a
inc c
dec b
jr nz, .copy
ret
DMARoutine_home2:
; initiate DMA
;DMA Fix
ld a, wShadowOAM / $100
; ldh a, [wShadowOAM / $100]
ldh [rDMA], a
; wait for DMA to finish
ld a, $28
.wait
dec a
jr nz, .wait
ret
DMARoutineEnd_home2:
; TrackPlayTime_home2:
; call CountDownIgnoreInputBitReset_home2
; ld hl, wd47a
; bit 0, [hl]
; jr nz, .maxIGT
; ld a,[wd732]
; bit 0,a
; ret z
; ld a, [wPlayTimeMaxed]
; and a
; ret nz
; ld a, [wPlayTimeFrames]
; inc a
; ld [wPlayTimeFrames], a
; cp 60
; ret nz
; xor a
; ld [wPlayTimeFrames], a
; ld a, [wPlayTimeSeconds]
; inc a
; ld [wPlayTimeSeconds], a
; cp 60
; ret nz
; xor a
; ld [wPlayTimeSeconds], a
; ld a, [wPlayTimeMinutes]
; inc a
; ld [wPlayTimeMinutes], a
; cp 60
; ret nz
; xor a
; ld [wPlayTimeMinutes], a
; ld a, [wPlayTimeHours]
; inc a
; ld [wPlayTimeHours], a
; cp $ff
; ret nz
; ld hl, wd47a
; set 0, [hl]
; .maxIGT
; ld a, 59
; ld [wPlayTimeSeconds], a
; ld [wPlayTimeMinutes], a
; ld a, $ff
; ld [wPlayTimeHours], a
; ld [wPlayTimeMaxed], a
; ret
CountDownIgnoreInputBitReset_home2:
ld a, [wIgnoreInputCounter]
and a
jr nz, .asm_1f5e
ld a, $ff
jr .asm_1f5f
.asm_1f5e
dec a
.asm_1f5f
ld [wIgnoreInputCounter], a
and a
ret nz
ld a, [wd730]
res 1, a
res 2, a
bit 5, a
res 5, a
ld [wd730], a
ret z
xor a
ld [hJoyPressed], a
ld [hJoyHeld], a
ret