Apple-2gs-SW/iigs-game-engine
1
0
Fork 0
mirror of https://github.com/lscharen/iigs-game-engine.git synced 2024-06-15 01:29:35 +00:00
Code Issues Projects Releases Wiki Activity

Add Noise channel hooks to ROM

Browse Source
This commit is contained in:
Lucas Scharenbroich 2023-06-18 22:11:43 -05:00
parent 29e2cfd007
commit ecb11df945
1 changed files with 53 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

64
demos/smb/rom2.s
View File

@ -691,9 +691,13 @@ APU_PULSE2_REG2_WRITE EXT
APU_PULSE2_REG3_WRITE EXT APU_PULSE2_REG3_WRITE EXT
APU_PULSE2_REG4_WRITE EXT APU_PULSE2_REG4_WRITE EXT
APU_TRIANGLE_REG1_WRITE EXT APU_TRIANGLE_REG1_WRITE EXT
APU_TRIANGLE_REG2_WRITE EXT ;APU_TRIANGLE_REG2_WRITE EXT
APU_TRIANGLE_REG3_WRITE EXT APU_TRIANGLE_REG3_WRITE EXT
APU_TRIANGLE_REG4_WRITE EXT APU_TRIANGLE_REG4_WRITE EXT
APU_NOISE_REG1_WRITE EXT
;APU_NOISE_REG2_WRITE EXT
APU_NOISE_REG3_WRITE EXT
APU_NOISE_REG4_WRITE EXT
APU_STATUS_WRITE EXT APU_STATUS_WRITE EXT
@ -801,15 +805,46 @@ APU_PULSE2_REG4_W
APU_TRIANGLE_REG1_W APU_TRIANGLE_REG1_W
jsl APU_TRIANGLE_REG1_WRITE jsl APU_TRIANGLE_REG1_WRITE
rts rts
APU_TRIANGLE_REG2_W ;APU_TRIANGLE_REG2_W
jsl APU_TRIANGLE_REG2_WRITE ; jsl APU_TRIANGLE_REG2_WRITE
rts ; rts
APU_TRIANGLE_REG3_W APU_TRIANGLE_REG3_W
jsl APU_TRIANGLE_REG3_WRITE jsl APU_TRIANGLE_REG3_WRITE
rts rts
APU_TRIANGLE_REG4_W APU_TRIANGLE_REG4_W
jsl APU_TRIANGLE_REG4_WRITE jsl APU_TRIANGLE_REG4_WRITE
rts rts
APU_NOISE_REG1_W
jsl APU_NOISE_REG1_WRITE
rts
;APU_TRIANGLE_REG2_W
; jsl APU_TRIANGLE_REG2_WRITE
; rts
APU_NOISE_REG3_W
jsl APU_NOISE_REG3_WRITE
rts
APU_NOISE_REG3_WX
phx
pha
txa
jsl APU_NOISE_REG3_WRITE
pla
plx
rts
APU_NOISE_REG4_W
jsl APU_NOISE_REG4_WRITE
rts
APU_NOISE_REG4_WY
phy
pha
tya
jsl APU_NOISE_REG4_WRITE
pla
ply
rts
APU_STATUS_W APU_STATUS_W
jsl APU_STATUS_WRITE jsl APU_STATUS_WRITE
rts rts
@ -16180,16 +16215,20 @@ ContinueBrickShatter
lda BrickShatterEnvData,y lda BrickShatterEnvData,y
PlayNoiseSfx PlayNoiseSfx
sta SND_NOISE_REG ;play the sfx ; sta SND_NOISE_REG ;play the sfx
stx SND_NOISE_REG+2 ; stx SND_NOISE_REG+2
jsr APU_NOISE_REG1_W
jsr APU_NOISE_REG3_WX
lda #$18 lda #$18
sta SND_NOISE_REG+3 ; sta SND_NOISE_REG+3
jsr APU_NOISE_REG4_W
DecrementSfx3Length DecrementSfx3Length
dec Noise_SfxLenCounter ;decrement length of sfx dec Noise_SfxLenCounter ;decrement length of sfx
bne ExSfx3 bne ExSfx3
lda #$f0 ;if done, stop playing the sfx lda #$f0 ;if done, stop playing the sfx
sta SND_NOISE_REG ; sta SND_NOISE_REG
jsr APU_NOISE_REG1_W
lda #$00 lda #$00
sta NoiseSoundBuffer sta NoiseSoundBuffer
ExSfx3 rts ExSfx3 rts
@ -16534,9 +16573,12 @@ SilentBeat
lda #$10 ;silence lda #$10 ;silence
PlayBeat PlayBeat
sta SND_NOISE_REG ;load beat data into noise regs ; sta SND_NOISE_REG ;load beat data into noise regs
stx SND_NOISE_REG+2 ; stx SND_NOISE_REG+2
sty SND_NOISE_REG+3 ; sty SND_NOISE_REG+3
jsr APU_NOISE_REG1_W
jsr APU_NOISE_REG3_WX
jsr APU_NOISE_REG4_WY
ExitMusicHandler ExitMusicHandler
rts rts