mpw/toolbox/toolbox.cpp

#include <cstdio>
#include <cstdint>
#include <stdlib.h>

#include <cpu/defs.h>
#include <cpu/CpuModule.h>
#include <cpu/fmem.h>

#include "toolbox.h"
#include "rm.h"
#include "mm.h"
#include "os.h"

// yuck.  TST.W d0
extern "C" void cpuSetFlagsNZ00NewW(UWO res);

namespace ToolBox {

	void dispatch(uint16_t trap)
	{
		// todo -- check/remove extra bits for save a0, toolglue, etc.

		uint32_t d0 = 0;
		switch (trap)
		{
			case 0xA00C:
				d0 = OS::GetFileInfo(trap);
				break;

			// BlockMove (sourcePtr,destPtr: Ptr; byteCount: Size);
			case 0xa02e:
				d0 = MM::BlockMove(trap);
				break;

		
			// NewPtr [Sys, Clear] (logicalSize: Size): Ptr;
			case 0xa11e:
			case 0xa31e:
			case 0xa51e:
			case 0xa71e:
				// clear = bit 9, sys = bit 10
				d0 = MM::NewPtr(trap);
				break;

			// DisposPtr (p: Ptr);
			case 0xa01f:
				d0 = MM::DisposePtr(trap);
				break;

			// Get1NamedResource (theType: ResType; name: Str255) : Handle;
			case 0xa820:
				d0 = RM::Get1NamedResource(trap);
				break;

			default:
				fprintf(stderr, "Unsupported tool trap: %04x\n", trap);
				fprintf(stderr, "pc: %08x\n", cpuGetPC());
				exit(255);
		}

		cpuSetDReg(0, d0);
		cpuSetFlagsNZ00NewW(d0);
	}

}