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RM::GetResource stub

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This commit is contained in:
Kelvin Sherlock 2013-02-13 23:07:33 -05:00
parent 5708edd11d
commit 0f7568a2ca
3 changed files with 61 additions and 20 deletions
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61
toolbox/rm.cpp
View File

@ -1,4 +1,5 @@
#include "rm.h"
#include "toolbox.h"
#include <cpu/defs.h>
#include <cpu/CpuModule.h>
@ -36,29 +37,21 @@ namespace
return sp;
}
uint32_t StackFrame(uint32_t &b, uint16_t &a)
{
uint32_t sp = cpuGetAReg(7);
a = memoryReadWord(sp); sp += 2;
b = memoryReadLong(sp); sp += 4;
cpuSetAReg(7, sp);
return sp;
}
void ToolReturn(uint32_t sp, uint32_t value)
{
memoryWriteLong(value, sp);
}
std::string PString(uint32_t address)
{
std::string s;
unsigned length = address == 0 ? 0 : memoryReadByte(address++);
if (length == 0)
{
return s;
}
s.reserve(length);
for (unsigned i = 0; i < length; ++i)
{
s.push_back((char)memoryReadByte(address++));
}
return s;
}
}
@ -87,11 +80,41 @@ namespace RM
sp = StackFrame(theType, name);
std::string sname = PString(name);
std::string sname = ToolBox::ReadPString(name);
fprintf(stderr, "%04x Get1NamedResource(%08x, %s)\n", trap, theType, sname.c_str());
ToolReturn(sp, (uint32_t)0);
return -192;
}
uint16_t GetResource(uint16_t trap)
{
// GetResource (theType: ResType; theID: Integer): Handle;
/*
* -----------
* +6 outHandle
* ------------
* +2 theType
* ------------
* +0 theID
* ------------
*
*/
// nb - return address is not on the stack.
uint32_t sp;
uint32_t theType;
uint16_t theID;
sp = StackFrame(theType, theID);
fprintf(stderr, "%04x GetResource(%08x, %04x)\n", trap, theType, theID);
ToolReturn(sp, (uint32_t)0);
return -192;
}
}

2
toolbox/rm.h
View File

@ -6,6 +6,8 @@
namespace RM
{
uint16_t Get1NamedResource(uint16_t trap);
uint16_t GetResource(uint16_t trap);
}
#endif

18
toolbox/toolbox.cpp
View File

@ -36,7 +36,7 @@ namespace ToolBox {
case 0xa009:
d0 = OS::Delete(trap);
break;
case 0xA00C:
d0 = OS::GetFileInfo(trap);
break;
@ -78,11 +78,27 @@ namespace ToolBox {
d0 = MM::DisposePtr(trap);
break;
// resource manager stuff.
// Get1NamedResource (theType: ResType; name: Str255) : Handle;
case 0xa820:
d0 = RM::Get1NamedResource(trap);
break;
// GetResource (theType: ResType; thelD: INTEGER) : Handle;
case 0xa9a0:
d0 = RM::GetResource(trap);
break;
// quickdraw
// _ShowCursor();
case 0xA853:
d0 = 0;
break;
default:
fprintf(stderr, "Unsupported tool trap: %04x\n", trap);
fprintf(stderr, "pc: %08x\n", cpuGetPC());