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add AY-3-8910 platform!

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this paves the way for eventual AY-3-8930 platform...
This commit is contained in:
tildearrow 2022-01-13 02:52:19 -05:00
parent 2fcb474544
commit 0b352ecd9a
9 changed files with 2372 additions and 3 deletions
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25
src/engine/playback.cpp
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@ -327,6 +327,31 @@ bool DivEngine::perSystemPostEffect(int ch, unsigned char effect, unsigned char
return false;
}
break;
case DIV_SYSTEM_AY8910:
switch (effect) {
case 0x20: // mode
dispatchCmd(DivCommand(DIV_CMD_STD_NOISE_MODE,ch,effectVal));
break;
case 0x21: // noise freq
dispatchCmd(DivCommand(DIV_CMD_STD_NOISE_FREQ,ch,effectVal));
break;
case 0x22: // envelope enable
dispatchCmd(DivCommand(DIV_CMD_AY_ENVELOPE_SET,ch,effectVal));
break;
case 0x23: // envelope period low
dispatchCmd(DivCommand(DIV_CMD_AY_ENVELOPE_LOW,ch,effectVal));
break;
case 0x24: // envelope period high
dispatchCmd(DivCommand(DIV_CMD_AY_ENVELOPE_HIGH,ch,effectVal));
break;
case 0x25: // envelope slide up
dispatchCmd(DivCommand(DIV_CMD_AY_ENVELOPE_SLIDE,ch,-effectVal));
break;
case 0x26: // envelope slide down
dispatchCmd(DivCommand(DIV_CMD_AY_ENVELOPE_SLIDE,ch,effectVal));
break;
}
break;
default:
return false;
}