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gen: re-fix shinobi and strider. possibly a hack, marked for followup

This commit is contained in:
beirich 2011-10-13 02:55:28 +00:00
parent 0924ad07fd
commit c3038bbe07
1 changed files with 18 additions and 20 deletions
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38
BizHawk.Emulation/Consoles/Sega/Genesis/IO.cs
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@ -27,7 +27,8 @@
{ {
offset >>= 1; offset >>= 1;
offset &= 0x0F; offset &= 0x0F;
if (offset >1 )
Log.Note("CPU", "^^^ IO Read {0}: 00", offset);
switch (offset) switch (offset)
{ {
case 0: // version case 0: // version
@ -53,7 +54,7 @@
case 0x04: return IOPorts[0].Control; case 0x04: return IOPorts[0].Control;
case 0x05: return IOPorts[1].Control; case 0x05: return IOPorts[1].Control;
case 0x06: return IOPorts[2].Control; case 0x06: return 0xFF;// IOPorts[2].Control; TODO hack? returning FF fixes revenge of shinobi and strider. investigate later.
case 0x07: return IOPorts[0].TxData; case 0x07: return IOPorts[0].TxData;
case 0x08: return IOPorts[0].RxData; case 0x08: return IOPorts[0].RxData;
@ -80,31 +81,30 @@
{ {
case 0x00: break; case 0x00: break;
case 0x01: IOPorts[0].Data = (byte) value; break; case 0x01: IOPorts[0].Data = (byte) value; break;
case 0x02: IOPorts[1].Data = (byte) value; break; case 0x02: IOPorts[1].Data = (byte) value; break;
case 0x03: IOPorts[2].Data = (byte) value; break; case 0x03: IOPorts[2].Data = (byte) value; break;
case 0x04: IOPorts[0].Control = (byte) value; break; case 0x04: IOPorts[0].Control = (byte) value; break;
case 0x05: IOPorts[1].Control = (byte) value; break; case 0x05: IOPorts[1].Control = (byte) value; break;
case 0x06: IOPorts[2].Control = (byte) value; break; case 0x06: IOPorts[2].Control = (byte) value; break;
case 0x07: IOPorts[0].TxData = (byte) value; break; case 0x07: IOPorts[0].TxData = (byte) value; break;
case 0x08: IOPorts[0].RxData = (byte) value; break; case 0x08: IOPorts[0].RxData = (byte) value; break;
case 0x09: IOPorts[0].SCtrl = (byte) value; break; case 0x09: IOPorts[0].SCtrl = (byte) value; break;
case 0x0A: IOPorts[1].TxData = (byte) value; break; case 0x0A: IOPorts[1].TxData = (byte) value; break;
case 0x0B: IOPorts[1].RxData = (byte) value; break; case 0x0B: IOPorts[1].RxData = (byte) value; break;
case 0x0C: IOPorts[1].SCtrl = (byte) value; break; case 0x0C: IOPorts[1].SCtrl = (byte) value; break;
case 0x0D: IOPorts[2].TxData = (byte) value; break; case 0x0D: IOPorts[2].TxData = (byte) value; break;
case 0x0E: IOPorts[2].RxData = (byte) value; break; case 0x0E: IOPorts[2].RxData = (byte) value; break;
case 0x0F: IOPorts[2].SCtrl = (byte) value; break; case 0x0F: IOPorts[2].SCtrl = (byte) value; break;
} }
} }
void ReadController(ref byte data) void ReadController(ref byte data)
{ {
System.Console.WriteLine("START => " + Controller["P1 Start"]);
data &= 0xC0; data &= 0xC0;
if ((data & 0x40) != 0) // TH high if ((data & 0x40) != 0) // TH high
{ {
@ -114,13 +114,11 @@
if (Controller["P1 Right"] == false) data |= 0x08; if (Controller["P1 Right"] == false) data |= 0x08;
if (Controller["P1 B"] == false) data |= 0x10; if (Controller["P1 B"] == false) data |= 0x10;
if (Controller["P1 C"] == false) data |= 0x20; if (Controller["P1 C"] == false) data |= 0x20;
System.Console.WriteLine("TH HIGH: {0:X}",data);
} else { // TH low } else { // TH low
if (Controller["P1 Up"] == false) data |= 0x01; if (Controller["P1 Up"] == false) data |= 0x01;
if (Controller["P1 Down"] == false) data |= 0x02; if (Controller["P1 Down"] == false) data |= 0x02;
if (Controller["P1 A"] == false) data |= 0x10; if (Controller["P1 A"] == false) data |= 0x10;
if (Controller["P1 Start"] == false) data |= 0x20; if (Controller["P1 Start"] == false) data |= 0x20;
System.Console.WriteLine("TH LOW: {0:X}", data);
} }
} }