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Fix reads to $C07X to return floating bus (broke at 7c95c0f6c4)

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This commit is contained in:
tomcw 2019-04-06 18:23:42 +01:00
parent dad590b8c1
commit adcfb9ef3d
3 changed files with 7 additions and 9 deletions
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4
source/Joystick.cpp
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@ -643,7 +643,7 @@ void JoyReset()
}
//===========================================================================
BYTE __stdcall JoyResetPosition(WORD, WORD, BYTE, BYTE, ULONG nExecutedCycles)
void JoyResetPosition(ULONG nExecutedCycles)
{
CpuCalcCycles(nExecutedCycles);
g_nJoyCntrResetCycle = g_nCumulativeCycles;
@ -652,8 +652,6 @@ BYTE __stdcall JoyResetPosition(WORD, WORD, BYTE, BYTE, ULONG nExecutedCycles)
CheckJoystick0();
if((joyinfo[joytype[1]] == DEVICE_JOYSTICK) || (joyinfo[joytype[1]] == DEVICE_JOYSTICK_THUMBSTICK2))
CheckJoystick1();
return MemReadFloatingBus(nExecutedCycles);
}
//===========================================================================

2
source/Joystick.h
View File

@ -30,4 +30,4 @@ void JoyLoadSnapshot(class YamlLoadHelper& yamlLoadHelper);
BYTE __stdcall JoyReadButton(WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG nExecutedCycles);
BYTE __stdcall JoyReadPosition(WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG nExecutedCycles);
BYTE __stdcall JoyResetPosition(WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG nExecutedCycles);
void JoyResetPosition(ULONG nExecutedCycles);

10
source/Memory.cpp
View File

@ -552,12 +552,12 @@ static BYTE __stdcall IOWrite_C06x(WORD pc, WORD addr, BYTE bWrite, BYTE d, ULON
static BYTE __stdcall IORead_C07x(WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG nExecutedCycles)
{
// Apple//e TRM, pg-258: "Reading or writing any address in the range $C070-$C07F also triggers the paddle time and resets the VBLINT(*)." (*) //c only!
JoyResetPosition(pc, addr, bWrite, d, nExecutedCycles); //$C07X Analog input reset
// Apple//e TRM, pg-258: "Reading or writing any address in the range $C070-$C07F also triggers the paddle timer and resets the VBLINT(*)." (*) //c only!
JoyResetPosition(nExecutedCycles); //$C07X Analog input reset
switch (addr & 0xf)
{
case 0x0: break;
case 0x0: return IO_Null(pc, addr, bWrite, d, nExecutedCycles);
case 0x1: return IO_Null(pc, addr, bWrite, d, nExecutedCycles);
case 0x2: return IO_Null(pc, addr, bWrite, d, nExecutedCycles);
case 0x3: return IO_Null(pc, addr, bWrite, d, nExecutedCycles);
@ -582,8 +582,8 @@ static BYTE __stdcall IORead_C07x(WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG
static BYTE __stdcall IOWrite_C07x(WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG nExecutedCycles)
{
// Apple//e TRM, pg-258: "Reading or writing any address in the range $C070-$C07F also triggers the paddle time and resets the VBLINT(*)." (*) //c only!
JoyResetPosition(pc, addr, bWrite, d, nExecutedCycles); //$C07X Analog input reset
// Apple//e TRM, pg-258: "Reading or writing any address in the range $C070-$C07F also triggers the paddle timer and resets the VBLINT(*)." (*) //c only!
JoyResetPosition(nExecutedCycles); //$C07X Analog input reset
switch (addr & 0xf)
{