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Phasor: support reading AY8913 regs for Echo+ mode

This commit is contained in:
tomcw 2023-02-19 18:28:37 +00:00
parent bcdaa3e1c1
commit 13ee80686c
1 changed files with 1 additions and 4 deletions
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5
source/Mockingboard.cpp
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@ -263,10 +263,7 @@ void MockingboardCard::AY8910_Write(BYTE subunit, BYTE ay, BYTE value)
break;
case AY_READ: // 5: READ FROM PSG (need to set DDRA to input)
if (m_phasorEnable && m_phasorMode == PH_EchoPlus)
r6522.SetRegORA( 0xff & (r6522.GetReg(SY6522::rDDRA) ^ 0xff) ); // Phasor (Echo+ mode) doesn't support reading AY8913s - it just reads 1's for the input bits
else
r6522.SetRegORA( AYReadReg(subunit, ay, pMB->nAYCurrentRegister) & (r6522.GetReg(SY6522::rDDRA) ^ 0xff) );
r6522.SetRegORA( AYReadReg(subunit, ay, pMB->nAYCurrentRegister) & (r6522.GetReg(SY6522::rDDRA) ^ 0xff) );
break;
case AY_WRITE: // 6: WRITE TO PSG