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C64: 0F7 is a badline eligible raster (fixes 26-line text demo in Frodo test suite)

This commit is contained in:
SaxxonPike 2019-07-13 01:41:58 -05:00
parent e6871b2cc3
commit d62f2ac3fe
3 changed files with 5 additions and 5 deletions
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2
BizHawk.Emulation.Cores/Computers/Commodore64/MOS/Vic.Registers.cs
View File

@ -289,7 +289,7 @@
_rasterInterruptLine &= 0xFF;
_rasterInterruptLine |= (val & 0x80) << 1;
if (_rasterLine == FirstDmaLine)
if (_rasterLine == BadLineEnableRaster)
_badlineEnable |= _displayEnable;
if (_badlineEnable)

4
BizHawk.Emulation.Cores/Computers/Commodore64/MOS/Vic.TimingBuilder.cs
View File

@ -13,8 +13,8 @@ namespace BizHawk.Emulation.Cores.Computers.Commodore64.MOS
private const int BorderTop24 = 0x037;
private const int BorderBottom25 = 0x0FB;
private const int BorderBottom24 = 0x0F7;
private const int FirstDmaLine = 0x030;
private const int LastDmaLine = 0x0F7;
private const int BadLineEnableRaster = 0x030;
private const int BadLineDisableRaster = 0x0F8;
// The special actions taken by the Vic are in the same order and interval on all chips, just different offsets.
private static readonly int[] TimingBuilderCycle14Act =

4
BizHawk.Emulation.Cores/Computers/Commodore64/MOS/Vic.cs
View File

@ -252,7 +252,7 @@ namespace BizHawk.Emulation.Cores.Computers.Commodore64.MOS
// start of rasterline
if ((_cycle == RasterIrqLineXCycle && _rasterLine > 0) || (_cycle == RasterIrqLine0Cycle && _rasterLine == 0))
{
if (_rasterLine == LastDmaLine)
if (_rasterLine == BadLineDisableRaster)
_badlineEnable = false;
// raster compares are done here
@ -284,7 +284,7 @@ namespace BizHawk.Emulation.Cores.Computers.Commodore64.MOS
}
// display enable compare
if (_rasterLine == FirstDmaLine)
if (_rasterLine == BadLineEnableRaster)
{
_badlineEnable |= _displayEnable;
}