diff options
Diffstat (limited to 'src-z80/core')
| -rw-r--r-- | src-z80/core/bgm.z80 | 10 | ||||
| -rw-r--r-- | src-z80/core/sfx.z80 | 18 | ||||
| -rw-r--r-- | src-z80/core/vars.z80 | 7 |
3 files changed, 22 insertions, 13 deletions
diff --git a/src-z80/core/bgm.z80 b/src-z80/core/bgm.z80 index 27cb89c..ea245a1 100644 --- a/src-z80/core/bgm.z80 +++ b/src-z80/core/bgm.z80 @@ -42,16 +42,6 @@ PlayBGM: ld hl, ProcessBGM ; Tell Echo to process BGM ld (DoTick_BGM+1), hl -; ld b, 8 ; Kill all FM channels explicitly -;.resetallfm: -; ld a, b -; and $04 -; rrca -; ld iyl, a -; ld a, b -; call KillFM -; djnz .resetallfm - jp IdleLoop ; End of subroutine ;**************************************************************************** diff --git a/src-z80/core/sfx.z80 b/src-z80/core/sfx.z80 index d008f0b..6eb844d 100644 --- a/src-z80/core/sfx.z80 +++ b/src-z80/core/sfx.z80 @@ -299,6 +299,24 @@ ClearSFX: ld b, (hl) call SetFMVolLoad pop bc + + ld a, b + and $04 + rrca + ld iyl, a + + push bc ; Restore BGM FM panning + ld a, b + ld h, RAM_BGMFMPan>>8 + add RAM_BGMFMPan&$FF + ld l, a + ld a, b + ld b, (hl) + and $03 + add $B4 + ld (iy+0), b + ld (iy+1), a + pop bc PollPCM inc b diff --git a/src-z80/core/vars.z80 b/src-z80/core/vars.z80 index 8b6593a..c1dc8b5 100644 --- a/src-z80/core/vars.z80 +++ b/src-z80/core/vars.z80 @@ -15,7 +15,8 @@ RAM_PSGData: ds 4*16 ; PSG envelope data RAM_BGMFMInstr: ds 8 ; FM instruments used by BGM RAM_BGMFMVol: ds 8 ; FM volumes used by BGM -;RAM_FMVolume: ds 8 ; Volume of each FM channel +RAM_BGMFMPan: ds 8 ; FM panning used by BGM + RAM_FMData: ds 8*5 ; FM info (for volume handling) ; ds 8*1 ... Register $B0 ; ds 8*1 ... Register $40 @@ -23,6 +24,8 @@ RAM_FMData: ds 8*5 ; FM info (for volume handling) ; ds 8*1 ... Register $48 ; ds 8*1 ... Register $4C +RAM_Locked: ds 12 ; Locked channels + RAM_LastBank: ds 1 ; Last accessed bank RAM_BGMData: ; Where BGM data starts @@ -38,8 +41,6 @@ RAM_SFXDelay: ds 1 ; How many ticks to wait RAM_SFXBank: ds 1 ; Current SFX bank RAM_SFXAddress: ds 2 ; Current SFX address -RAM_Locked: ds 12 ; Locked channels - RAM_Scratch: ds 32 ; Scratch bytes, may be useful when ; buffering to speed up to avoid bank ; switching conflicts |