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Debug: support s4=S/S, s5=MB-C

This commit is contained in:
tomcw 2021-05-17 20:57:14 +01:00
parent 23c4f8414c
commit 9f911d1895
1 changed files with 14 additions and 1 deletions
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15
source/Mockingboard.cpp
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@ -94,6 +94,7 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#include "SSI263.h"
#define DBG_MB_SS_CARD 1 // From UI, select Mockingboard (not Phasor)
#define DBG_MB_SS_SLOT4_C_SLOT5 1
#define SY6522_DEVICE_A 0
#define SY6522_DEVICE_B 1
@ -584,8 +585,13 @@ static void UpdateIFR(SY6522_AY8910* pMB, BYTE clr_ifr, BYTE set_ifr=0)
pMB->sy6522.IFR &= 0x7F;
#if DBG_MB_SS_CARD
#if DBG_MB_SS_SLOT4_C_SLOT5
UINT bIRQ = (g_MB[0].sy6522.IFR & 0x80) | (g_MB[2].sy6522.IFR & 0x80) | (g_MB[3].sy6522.IFR & 0x80); // $C400, $C500, $C580
UINT bNMI = (g_MB[1].sy6522.IFR & 0x80); // $C480
#else
UINT bIRQ = (g_MB[0].sy6522.IFR & 0x80) | (g_MB[2].sy6522.IFR & 0x80); // $Cn00
UINT bNMI = (g_MB[1].sy6522.IFR & 0x80) | (g_MB[3].sy6522.IFR & 0x80); // $Cn80
#endif
#else
// Now update the IRQ signal from all 6522s
// . OR-sum of all active TIMER1, TIMER2 & SPEECH sources (from all 6522s)
@ -635,8 +641,13 @@ static void SY6522_Write(BYTE nDevice, BYTE nReg, BYTE nValue)
}
#if DBG_MB_SS_CARD
if ((nDevice & 1) == 1)
#if DBG_MB_SS_SLOT4_C_SLOT5
if (nDevice != 0)
AY8910_Write(nDevice, nReg, nValue, 0);
#else
if (nDevice == 1)
AY8910_Write(nDevice, nReg, nValue, 0);
#endif
#else
if(g_bPhasorEnable)
{
@ -1330,8 +1341,10 @@ static BYTE __stdcall MB_Read(WORD PC, WORD nAddr, BYTE bWrite, BYTE nValue, ULO
}
#if DBG_MB_SS_CARD
#if !DBG_MB_SS_SLOT4_C_SLOT5
if (nMB == 1)
return MemReadFloatingBus(nExecutedCycles);
#endif
#endif
// NB. Mockingboard: SSI263.bit7 not readable (TODO: check this with real h/w)