static BYTE __stdcall IORead_C06x(WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG nCyclesLeft)
{
static byte CurrentKestroke = 0;
CurrentKestroke = KeybGetKeycode();
switch (addr & 0xf)
{
//In Pravets8A/C if SETMODE (8bit character encoding) is enabled, bit6 in $C060 is 0; Else it is 1
//If (CAPS lOCK of Pravets8A/C is on or Shift is pressed) and (MODE is enabled), bit7 in $C000 is 1; Else it is 0
//Writing into $C060 sets MODE on and off. If bit 0 is 0 the the MODE is set 0, if bit 0 is 1 then MODE is set to 1 (8-bit)
case 0x0: return TapeRead(pc, addr, bWrite, d, nCyclesLeft);
case 0x1: return JoyReadButton(pc, addr, bWrite, d, nCyclesLeft); //$C061 Digital input 0 (If bit 7=1 then JoyButton 0 or OpenApple is pressed)
case 0x2: return JoyReadButton(pc, addr, bWrite, d, nCyclesLeft); //$C062 Digital input 1 (If bit 7=1 then JoyButton 1 or ClosedApple is pressed)
case 0x3: return JoyReadButton(pc, addr, bWrite, d, nCyclesLeft); //$C063 Digital input 2
case 0x4: return JoyReadPosition(pc, addr, bWrite, d, nCyclesLeft); //$C064 Analog input 0
case 0x5: return JoyReadPosition(pc, addr, bWrite, d, nCyclesLeft); //$C065 Analog input 1
case 0x6: return JoyReadPosition(pc, addr, bWrite, d, nCyclesLeft); //$C066 Analog input 2
case 0x7: return JoyReadPosition(pc, addr, bWrite, d, nCyclesLeft); //$C067 Analog input 3
case 0x8: return IO_Null(pc, addr, bWrite, d, nCyclesLeft);
case 0x9: return IO_Null(pc, addr, bWrite, d, nCyclesLeft);
case 0xA: return IO_Null(pc, addr, bWrite, d, nCyclesLeft);
case 0xB: return IO_Null(pc, addr, bWrite, d, nCyclesLeft);
case 0xC: return IO_Null(pc, addr, bWrite, d, nCyclesLeft);
case 0xD: return IO_Null(pc, addr, bWrite, d, nCyclesLeft);
case 0xE: return IO_Null(pc, addr, bWrite, d, nCyclesLeft);
case 0xF: return IO_Null(pc, addr, bWrite, d, nCyclesLeft);
}
return 0;
}
BYTE __stdcall TapeRead (WORD, WORD address, BYTE, BYTE, ULONG nCyclesLeft)
{
/*
If retrieving KeybGetKeycode(); causes problems CurrentKestroke shall be added
in the submission variables and it shall be added by the TapeRead caller
i.e. BYTE __stdcall TapeRead (WORD, WORD address, BYTE, BYTE, ULONG nCyclesLeft) shall become
BYTE __stdcall TapeRead (WORD, WORD address, BYTE, BYTE, ULONG nCyclesLeft, byte CurrentKeystroke)
*/
static byte CurrentKestroke = 0;
CurrentKestroke = KeybGetKeycode();
if (g_Apple2Type == A2TYPE_PRAVETS8A )
{
C060= MemReadFloatingBus(nCyclesLeft); //IO_Null(pc, addr, bWrite, d, nCyclesLeft);
if (CapsLockAllowed) //8bit keyboard mode
{
if (((P8CAPS_ON == false) && (P8Shift == false)) || ((P8CAPS_ON ) && (P8Shift ))) //LowerCase
if ((CurrentKestroke<65) //|| ((CurrentKestroke>90) && (CurrentKestroke<96))
|| ((CurrentKestroke>126) && (CurrentKestroke<193)))
C060 |= 1 << 7; //Sets bit 7 to 1 for special keys (arrows, return, etc) and for control+ key combinations.
else
C060 &= 127; //sets bit 7 to 0
else //UpperCase
C060 |= 1 << 7;
}
else //7bit keyboard mode
{
C060 &= 191; //Sets bit 6 to 0; I am not sure if this shall be done, because its value is disregarded in this case.
C060 |= 1 << 7; //Sets bit 7 to 1
}
return C060;
}
else return MemReadFloatingBus(nCyclesLeft); //IO_Null(pc, addr, bWrite, d, nCyclesLeft);
}
BYTE __stdcall TapeRead(WORD, WORD address, BYTE, BYTE, ULONG nCyclesLeft)
{
/*
If retrieving KeybGetKeycode(); causes problems uCurrentKeystroke shall be added
in the submission variables and it shall be added by the TapeRead caller
i.e. BYTE __stdcall TapeRead (WORD, WORD address, BYTE, BYTE, ULONG nCyclesLeft) shall become
BYTE __stdcall TapeRead (WORD, WORD address, BYTE, BYTE, ULONG nCyclesLeft, BYTE uCurrentKeystroke)
*/
if (g_Apple2Type == A2TYPE_PRAVETS8A)
{
const BYTE uCurrentKeystroke = KeybGetKeycode();
BYTE C060 = MemReadFloatingBus(nCyclesLeft);
if (g_CapsLockAllowed) //8bit keyboard mode
{
if (((P8CAPS_ON == false) && (P8Shift == false)) || ((P8CAPS_ON ) && (P8Shift ))) //LowerCase
{
if ((uCurrentKeystroke<65) //|| ((uCurrentKeystroke>90) && (uCurrentKeystroke<96))
|| ((uCurrentKeystroke>126) && (uCurrentKeystroke<193)))
C060 |= 1 << 7; //Sets bit 7 to 1 for special keys (arrows, return, etc) and for control+ key combinations.
else
C060 &= 127; //sets bit 7 to 0
}
else //UpperCase
{
C060 |= 1 << 7;
}
}
else //7bit keyboard mode
{
C060 &= 191; //Sets bit 6 to 0; I am not sure if this shall be done, because its value is disregarded in this case.
C060 |= 1 << 7; //Sets bit 7 to 1
}
return C060;
}
return (1<<7) | (MemReadFloatingBus(nCyclesLeft) & 0x7F); // Keep high-bit fixed (since TAPEIN isn't supported)
}
