ShuriZma
/
BizHawk
mirror of https://github.com/TASEmulators/BizHawk.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Atari780Hawk: Bug Fixes

This commit is contained in:
alyosha-tas 2017-07-19 14:55:50 -04:00 committed by GitHub
parent 052c35cd35
commit 4b79525e8d
3 changed files with 12 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
BizHawk.Emulation.Cores/Consoles/Atari/A7800Hawk/A7800Hawk.IEmulator.cs
View File

@ -35,6 +35,7 @@ namespace BizHawk.Emulation.Cores.Atari.A7800Hawk
public void FrameAdvance(IController controller, bool render, bool rendersound)
{
Console.WriteLine("-----------------------FRAME-----------------------");
if (_tracer.Enabled)
{
cpu.TraceCallback = s => _tracer.Put(s);

19
BizHawk.Emulation.Cores/Consoles/Atari/A7800Hawk/Maria.cs
View File

@ -122,7 +122,8 @@ namespace BizHawk.Emulation.Cores.Atari.A7800Hawk
// Since long shut down loads up the next zone, this basically loads up the DLL for the first zone
sl_DMA_complete = false;
do_dma = false;
Core.Maria_regs[8] = 0; // we have now left VBLank
for (int i=0; i<454;i++)
{
if(i==0 && Core.Maria_regs[0x1C].Bit(6) && !Core.Maria_regs[0x1C].Bit(5))
@ -140,7 +141,7 @@ namespace BizHawk.Emulation.Cores.Atari.A7800Hawk
{
// schedule an NMI for one maria tick into the future
// (but set to 2 since it decrements immediately)
//DLI_countdown = 2;
DLI_countdown = 2;
current_DLL_DLI = false;
}
@ -161,14 +162,11 @@ namespace BizHawk.Emulation.Cores.Atari.A7800Hawk
do_dma = false;
sl_DMA_complete = false;
Core.cpu.RDY = true;
Core.Maria_regs[8] = 0; // we have now left VBLank
// Now proceed with the remaining scanlines
// the first one is a pre-render line, since we didn't actually put any data into the buffer yet
while (scanline < 263)
{
while (scanline < _screen_height)
{
if (cycle == 28 && Core.Maria_regs[0x1C].Bit(6) && !Core.Maria_regs[0x1C].Bit(5))
{
Core.cpu_halt_pending = true;
@ -205,6 +203,8 @@ namespace BizHawk.Emulation.Cores.Atari.A7800Hawk
if (cycle == 440 && !sl_DMA_complete && do_dma && (DMA_phase == DMA_GRAPHICS || DMA_phase == DMA_HEADER))
{
//Console.WriteLine(scanline);
if (current_DLL_offset == 0)
{
DMA_phase = DMA_SHUTDOWN_LAST;
@ -213,8 +213,8 @@ namespace BizHawk.Emulation.Cores.Atari.A7800Hawk
{
DMA_phase = DMA_SHUTDOWN_OTHER;
}
DMA_phase_counter = 0;
DMA_phase_counter = 0;
}
Core.RunCPUCycle();
@ -443,6 +443,7 @@ namespace BizHawk.Emulation.Cores.Atari.A7800Hawk
for (int i = 0; i < GFX_Objects[GFX_index, header_counter].width; i++)
{
addr_t = (ushort)(GFX_Objects[GFX_index, header_counter].addr + (current_DLL_offset << 8) + i);
if ((current_DLL_H16 && addr_t.Bit(12)) || (current_DLL_H8 && addr_t.Bit(11)))
{
GFX_Objects[GFX_index, header_counter].obj[i] = 0;

1
BizHawk.Emulation.Cores/Consoles/Atari/A7800Hawk/MemoryMap.cs
View File

@ -118,6 +118,7 @@ namespace BizHawk.Emulation.Cores.Atari.A7800Hawk
{
// register 8 is read only and controlled by Maria
var temp = addr & 0x1F;
if (temp != 8)
Maria_regs[temp] = value;