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nes-fix hkrom rom bugs to add startropics sound

This commit is contained in:
zeromus 2011-10-15 06:16:35 +00:00
parent ebbe60c009
commit dcf7846d3f
1 changed files with 9 additions and 4 deletions
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13
BizHawk.Emulation/Consoles/Nintendo/NES/Boards/MMC3_family/HKROM.cs
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@ -65,7 +65,7 @@ namespace BizHawk.Emulation.Consoles.Nintendo
wram_h_enabled = value.Bit(7); wram_h_enabled = value.Bit(7);
wram_l_enabled = value.Bit(5); wram_l_enabled = value.Bit(5);
wram_h_enabled_write = value.Bit(6); wram_h_enabled_write = value.Bit(6);
wram_l_enabled_write = value.Bit(6); wram_l_enabled_write = value.Bit(4);
} }
break; break;
} }
@ -77,12 +77,15 @@ namespace BizHawk.Emulation.Consoles.Nintendo
if (addr < 0x1000) if (addr < 0x1000)
return; return;
//probably wrong:
//if (!wram_enabled) return;
addr &= (1 << 10) - 1; addr &= (1 << 10) - 1;
int block = addr >> 9; int block = addr >> 9;
bool block_enabled = (block == 1) ? wram_h_enabled : wram_l_enabled; bool block_enabled = (block == 1) ? wram_h_enabled : wram_l_enabled;
bool write_enabled = (block == 1) ? wram_h_enabled_write : wram_l_enabled_write; bool write_enabled = (block == 1) ? wram_h_enabled_write : wram_l_enabled_write;
if (write_enabled) if (write_enabled && block_enabled)
base.WriteWRAM(addr, value); base.WriteWRAM(addr, value);
} }
@ -92,12 +95,14 @@ namespace BizHawk.Emulation.Consoles.Nintendo
if (addr < 0x1000) if (addr < 0x1000)
return open_bus; return open_bus;
//probably wrong:
//if (!wram_enabled) return open_bus;
addr &= (1 << 10) - 1; addr &= (1 << 10) - 1;
int block = addr >> 9; int block = addr >> 9;
bool block_enabled = (block == 1) ? wram_h_enabled : wram_l_enabled; bool block_enabled = (block == 1) ? wram_h_enabled : wram_l_enabled;
bool write_enabled = (block == 1) ? wram_h_enabled_write : wram_l_enabled_write;
if (!wram_h_enabled && wram_l_enabled) if (!wram_h_enabled && !wram_l_enabled)
return open_bus; return open_bus;
if (block_enabled) if (block_enabled)