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Backport https://github.com/aaronsgiles/ymfm/pull/66

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Cacodemon345
2025-07-04 14:39:09 +06:00
parent 2c106d7326
commit 3b7f2683cf
1 changed files with 2 additions and 2 deletions
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4
src/sound/ymfm/ymfm_opl.h
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@@ -52,7 +52,7 @@ namespace ymfm
//
// System-wide registers:
// 01 xxxxxxxx Test register
// --x----- Enable OPL compatibility mode [OPL2 only] (1 = enable)
// --x----- Enable OPL compatibility mode [OPL2 only] (0 = enable)
// 02 xxxxxxxx Timer A value (4 * OPN)
// 03 xxxxxxxx Timer B value
// 04 x------- RST
@@ -243,7 +243,7 @@ public:
uint32_t op_decay_rate(uint32_t opoffs) const { return byte(0x60, 0, 4, opoffs); }
uint32_t op_sustain_level(uint32_t opoffs) const { return byte(0x80, 4, 4, opoffs); }
uint32_t op_release_rate(uint32_t opoffs) const { return byte(0x80, 0, 4, opoffs); }
uint32_t op_waveform(uint32_t opoffs) const { return IsOpl2Plus ? byte(0xe0, 0, newflag() ? 3 : 2, opoffs) : 0; }
uint32_t op_waveform(uint32_t opoffs) const { return waveform_enable() ? byte(0xe0, 0, newflag() ? 3 : 2, opoffs) : 0; }
protected:
// return a bitfield extracted from a byte