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[ChannelFHawk] Expose scratchpad registers as a memory domain 

This more or less acts like memory for the ChannelF in practice, due to the actual console lacking RAM. Using debugger apis is very annoying for peeking at these registers and of course you can't just use RAM Watch or the Hex Editor with it locked to debugger apis
This commit is contained in:
CasualPokePlayer 2024-09-04 18:48:34 -07:00
parent 817efd6598
commit fa9c581d19
1 changed files with 17 additions and 6 deletions
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23
src/BizHawk.Emulation.Cores/Consoles/Fairchild/ChannelF/ChannelF.MemoryDomains.cs
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@ -7,16 +7,27 @@ namespace BizHawk.Emulation.Cores.Consoles.ChannelF
{
public partial class ChannelF
{
internal IMemoryDomains memoryDomains;
private readonly Dictionary<string, MemoryDomainByteArray> _byteArrayDomains = new Dictionary<string, MemoryDomainByteArray>();
private bool _memoryDomainsInit = false;
private IMemoryDomains _memoryDomains;
private readonly Dictionary<string, MemoryDomainByteArray> _byteArrayDomains = [ ];
private bool _memoryDomainsInit;
private void SetupMemoryDomains()
{
var domains = new List<MemoryDomain>
{
new MemoryDomainDelegate("Scratchpad", 64, MemoryDomain.Endian.Big,
addr =>
{
if (addr is < 0 or > 63) throw new ArgumentOutOfRangeException(paramName: nameof(addr), addr, message: "address out of range");
return CPU.Regs[addr];
},
(addr, value) =>
{
if (addr is < 0 or > 63) throw new ArgumentOutOfRangeException(paramName: nameof(addr), addr, message: "address out of range");
CPU.Regs[addr] = value;
}, 1),
new MemoryDomainDelegate("System Bus", 0x10000, MemoryDomain.Endian.Big,
(addr) =>
addr =>
{
if (addr is < 0 or > 0xFFFF) throw new ArgumentOutOfRangeException(paramName: nameof(addr), addr, message: "address out of range");
return ReadBus((ushort)addr);
@ -30,8 +41,8 @@ namespace BizHawk.Emulation.Cores.Consoles.ChannelF
SyncAllByteArrayDomains();
memoryDomains = new MemoryDomainList(_byteArrayDomains.Values.Concat(domains).ToList());
(ServiceProvider as BasicServiceProvider)?.Register<IMemoryDomains>(memoryDomains);
_memoryDomains = new MemoryDomainList(_byteArrayDomains.Values.Concat(domains).ToList()) { MainMemory = domains[0] };
((BasicServiceProvider)ServiceProvider).Register(_memoryDomains);
_memoryDomainsInit = true;
}