private FileSystemPlugin(PluginContext context, IDictionary <string, object> pluginConfig)
{
var defaultConfig = new Dictionary <string, object>
{
{ "integratedDirectory", "$MyDocuments$/NestorMSX/FileSystem" },
{ "volumeLabel", "NestorMSX" }
};
defaultConfig.MergeInto(pluginConfig);
basePath = pluginConfig.GetValue <string>("integratedDirectory")
.Replace("/", "\\")
.AsAbsolutePath();
volumeLabel = pluginConfig.GetValue <string>("volumeLabel");
currentFullDir = basePath;
currentRelativeDir = "";
this.cpu = context.Cpu;
this.regs = cpu.Registers;
this.slotsSystem = context.SlotsSystem;
this.mem = this.slotsSystem;
cpu.BeforeInstructionFetch += CpuOnBeforeInstructionFetch;
hookedMethods = new Dictionary <int, Action>
{
{ 0x4020, ALLOC },
{ 0x4023, FFIRST },
{ 0x4026, FNEXT },
{ 0x4029, CHDIR },
{ 0x402C, GETCD },
{ 0x402F, GETVOL }
};
}
public DosFunctionCallExecutor(IZ80Registers regs, IMemory memory, string filesystemBaseLocation)
{
this.regs = regs;
this.memory = memory;
filesystemBase = filesystemBaseLocation;
if (!Directory.Exists(filesystemBase))
{
try {
Directory.CreateDirectory(filesystemBase);
}
catch (Exception ex) {
throw new InvalidOperationException(
"Error when trying to create the base directory for DiskBASIC:\r\n{0}\r\n\r\nDirectory location as specified in config file:\r\n{1}"
.FormatWith(ex.Message, filesystemBase));
}
}
}
public int Execute(byte firstOpcodeByte)
{
Registers = ProcessorAgent.Registers;
switch (firstOpcodeByte)
{
case 0xCB:
return(Execute_CB_Instruction());
case 0xDD:
return(Execute_DD_Instruction());
case 0xED:
return(Execute_ED_Instruction());
case 0xFD:
return(Execute_FD_Instruction());
default:
return(Execute_SingleByte_Instruction(firstOpcodeByte));
}
}
