private void AccelRead(ushort addr, ref byte value)
{
if (m_acc_enable && m_acc_on && (m_acc_mode!=AccelCMD.Off))
{
;
switch (m_acc_mode)
{
case AccelCMD.On: //LD D,D
{
if (value != 0) m_acc_buf_size = value;
else m_acc_buf_size = 256;
} break;
case AccelCMD.CopyBlok: //LD L,L
{
for (int i = 0; i < m_acc_buf_size; i++)
{
byte tmp = 0;
switch ((addr + i) & 0xc000)
{
case 0x0000: this.ReadMem0000((ushort)(addr + i), ref tmp); break;
case 0x4000: this.ReadMem4000((ushort)(addr + i), ref tmp); break;
case 0x8000: this.ReadMem8000((ushort)(addr + i), ref tmp); break;
case 0xc000: this.ReadMemC000((ushort)(addr + i), ref tmp); break;
}
switch (m_acc_submode)
{
case AccelSubCMD.None: //CopyBlok
{
m_acc_buf[i] = tmp;//RDMEM_DBG((ushort)(addr + i));
} break;
case AccelSubCMD.XORBlok: //XOR (HL)
{
m_acc_buf[i] ^= tmp;
} break;
case AccelSubCMD.ORBlok: //OR (HL)
{
m_acc_buf[i] |= tmp;
} break;
case AccelSubCMD.ANDBlok: //AND (HL)
{
m_acc_buf[i] &= tmp;
} break;
}
}
m_acc_submode = AccelSubCMD.None;
} break;
case AccelCMD.GrCopyBlok: //LD A,A
{
for (int i = 0; i < m_acc_buf_size; i++)
{
byte tmp = 0;
switch (addr & 0xc000)
{
case 0x0000: this.ReadMem0000((ushort)(addr), ref tmp); break;
case 0x4000: this.ReadMem4000((ushort)(addr), ref tmp); break;
case 0x8000: this.ReadMem8000((ushort)(addr), ref tmp); break;
case 0xc000: this.ReadMemC000((ushort)(addr), ref tmp); break;
}
switch (m_acc_submode) {
case AccelSubCMD.None:m_acc_buf[i] = tmp;//RDMEM_DBG((ushort)(addr + i));
break;
case AccelSubCMD.XORBlok: m_acc_buf[i] ^= tmp; break;
case AccelSubCMD.ORBlok: m_acc_buf[i] |= tmp; break;
case AccelSubCMD.ANDBlok: m_acc_buf[i] &= tmp; break;
}
//m_acc_buf[i] = VRamPages[(m_port_y & 0xf0) >> 4][(m_port_y & 0x0f) * 1024 + (addr & 0x3FF)]; //this.RDMEM_DBG(addr);
m_port_y++;
}
m_acc_submode = AccelSubCMD.None;
} break;
case AccelCMD.GrFill: //LD E,E
{
for (int i = 0; i < m_acc_buf_size; i++)
m_port_y++;
} break;
}
}
}
/*
* private void GetAccelDATA(ushort addr, ref byte value)
* {
* if (_accEnable && _accOn && _accWaitData)
* {
* }
* }
*/
private void Accelerator(ushort addr, ref byte value)
{
if (!_accEnable || value < 0x40)
{
return;
}
switch (value)//this.RDMEM_DBG(addr))
{
//Accelerator off - ld b,b
case 0x40:
{
//_accOn = false;
//_accWaitCmd = false;
_accMode = AccelCMD.Off;
_accSubMode = AccelSubCMD.None;
}
break;
//Accelerator on - ld d,d
case 0x52:
{
_accOn = true;
//_accWaitCmd = true;
_accMode = AccelCMD.On;
_accSubMode = AccelSubCMD.None;
}
break;
case 0x49:
{
_accOn = true;
_accMode = AccelCMD.Fill;
_accSubMode = AccelSubCMD.None;
}
break;
case 0x5B:
{
_accOn = true;
_accMode = AccelCMD.GrFill;
_accSubMode = AccelSubCMD.None;
}
break;
case 0x64:
{
_accOn = true;
_accMode = AccelCMD.Reserved;
_accSubMode = AccelSubCMD.None;
}
break;
case 0x6D:
{
_accOn = true;
_accMode = AccelCMD.CopyBlok;
_accSubMode = AccelSubCMD.None;
}
break;
case 0x7F:
{
_accOn = true;
_accMode = AccelCMD.GrCopyBlok;
_accSubMode = AccelSubCMD.None;
}
break;
case 0xAE:
{
_accOn = true;
_accSubMode = AccelSubCMD.XORBlok;
} break;
case 0xB6:
{
_accOn = true;
_accSubMode = AccelSubCMD.ORBlok;
} break;
case 0xA6:
{
_accOn = true;
_accSubMode = AccelSubCMD.ANDBlok;
} break;
}
}
/* private void GetAccelDATA(ushort addr, ref byte value)
{
if (m_acc_enable && m_acc_on && m_acc_wait_data)
{
;
}
}*/
private void Accelerator(ushort addr, ref byte value)
{
if (m_acc_enable)
{
switch (this.RDMEM_DBG(addr))
{
//Accelerator off - ld b,b
case 0x40:
{
// m_acc_on = false;
// m_acc_wait_cmd = false;
m_acc_mode = AccelCMD.Off;
m_acc_submode = AccelSubCMD.None;
}
break;
//Accelerator on - ld d,d
case 0x52:
{
m_acc_on = true;
// m_acc_wait_cmd = true;
m_acc_mode = AccelCMD.On;
m_acc_submode = AccelSubCMD.None;
}
break;
case 0x49:
{
m_acc_on = true;
m_acc_mode = AccelCMD.Fill;
m_acc_submode = AccelSubCMD.None;
}
break;
case 0x5B:
{
m_acc_on = true;
m_acc_mode = AccelCMD.GrFill;
m_acc_submode = AccelSubCMD.None;
}
break;
case 0x64:
{
m_acc_on = true;
m_acc_mode = AccelCMD.Reserved;
m_acc_submode = AccelSubCMD.None;
}
break;
case 0x6D:
{
m_acc_on = true;
m_acc_mode = AccelCMD.CopyBlok;
m_acc_submode = AccelSubCMD.None;
}
break;
case 0x7F:
{
m_acc_on = true;
m_acc_mode = AccelCMD.GrCopyBlok;
m_acc_submode = AccelSubCMD.None;
}
break;
case 0xAE:
{
m_acc_on = true;
m_acc_submode = AccelSubCMD.XORBlok;
}break;
case 0xB6:
{
m_acc_on = true;
m_acc_submode = AccelSubCMD.ORBlok;
} break;
case 0xA6:
{
m_acc_on = true;
m_acc_submode = AccelSubCMD.ANDBlok;
} break;
}
}
}
private void AccelRead(ushort addr, ref byte value)
{
if (_accEnable && _accOn && (_accMode != AccelCMD.Off))
{
switch (_accMode)
{
case AccelCMD.On: //LD D,D
{
if (value != 0)
{
_accBufSize = value;
}
else
{
_accBufSize = 256;
}
} break;
case AccelCMD.CopyBlok: //LD L,L
{
for (int i = 0; i < _accBufSize; i++)
{
byte tmp = 0;
switch ((addr + i) & 0xc000)
{
case 0x0000: this.ReadMem0000((ushort)(addr + i), ref tmp); break;
case 0x4000: this.ReadMem4000((ushort)(addr + i), ref tmp); break;
case 0x8000: this.ReadMem8000((ushort)(addr + i), ref tmp); break;
case 0xc000: this.ReadMemC000((ushort)(addr + i), ref tmp); break;
}
switch (_accSubMode)
{
case AccelSubCMD.None: //CopyBlok
{
_accBuf[i] = tmp; //RDMEM_DBG((ushort)(addr + i));
} break;
case AccelSubCMD.XORBlok: //XOR (HL)
{
_accBuf[i] ^= tmp;
} break;
case AccelSubCMD.ORBlok: //OR (HL)
{
_accBuf[i] |= tmp;
} break;
case AccelSubCMD.ANDBlok: //AND (HL)
{
_accBuf[i] &= tmp;
} break;
}
}
_accSubMode = AccelSubCMD.None;
} break;
case AccelCMD.GrCopyBlok: //LD A,A
{
for (int i = 0; i < _accBufSize; i++)
{
byte tmp = 0;
switch (addr & 0xc000)
{
case 0x0000: this.ReadMem0000(addr, ref tmp); break;
case 0x4000: this.ReadMem4000(addr, ref tmp); break;
case 0x8000: this.ReadMem8000(addr, ref tmp); break;
case 0xc000: this.ReadMemC000(addr, ref tmp); break;
}
switch (_accSubMode)
{
case AccelSubCMD.None: _accBuf[i] = tmp; //RDMEM_DBG((ushort)(addr + i));
break;
case AccelSubCMD.XORBlok: _accBuf[i] ^= tmp; break;
case AccelSubCMD.ORBlok: _accBuf[i] |= tmp; break;
case AccelSubCMD.ANDBlok: _accBuf[i] &= tmp; break;
}
//m_acc_buf[i] = VRamPages[(m_port_y & 0xf0) >> 4][(m_port_y & 0x0f) * 1024 + (addr & 0x3FF)]; //this.RDMEM_DBG(addr);
_portY++;
}
_accSubMode = AccelSubCMD.None;
} break;
case AccelCMD.GrFill: //LD E,E
{
for (int i = 0; i < _accBufSize; i++)
{
_portY++;
}
} break;
}
}
}
