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UnloadSeg, use StackFrame templates

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This commit is contained in:
Kelvin Sherlock 2013-02-15 20:42:20 -05:00
parent 97a89c1904
commit 1f9b10a59e
3 changed files with 34 additions and 52 deletions
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78
toolbox/rm.cpp
View File

@ -6,54 +6,7 @@
#include <cpu/fmem.h>
#include <string>
namespace
{
uint32_t PopLong()
{
uint32_t sp = cpuGetAReg(7);
uint32_t value = memoryReadLong(sp);
cpuSetAReg(7, sp + 4);
return value;
}
uint16_t PopWord()
{
uint32_t sp = cpuGetAReg(7);
uint16_t value = memoryReadWord(sp);
cpuSetAReg(7, sp + 2);
return value;
}
uint32_t StackFrame(uint32_t &b, uint32_t &a)
{
uint32_t sp = cpuGetAReg(7);
a = memoryReadLong(sp); sp += 4;
b = memoryReadLong(sp); sp += 4;
cpuSetAReg(7, sp);
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);
}
}
#include "stackframe.h"
namespace RM
{
@ -78,13 +31,13 @@ namespace RM
uint32_t theType;
uint32_t name;
sp = StackFrame(theType, name);
sp = StackFrame<8>(theType, name);
std::string sname = ToolBox::ReadPString(name);
fprintf(stderr, "%04x Get1NamedResource(%08x, %s)\n", trap, theType, sname.c_str());
ToolReturn(sp, (uint32_t)0);
ToolReturn<4>(sp, 0);
return -192;
}
@ -109,12 +62,33 @@ namespace RM
uint32_t theType;
uint16_t theID;
sp = StackFrame(theType, theID);
sp = StackFrame<6>(theType, theID);
fprintf(stderr, "%04x GetResource(%08x, %04x)\n", trap, theType, theID);
ToolReturn(sp, (uint32_t)0);
ToolReturn<4>(sp, 0);
return -192;
}
uint16_t UnloadSeg(uint16_t trap)
{
// UnloadSeg (routineAddr: Ptr);
/*
* ------------
* +0 routineAddr
* ------------
*
*/
uint32_t sp;
uint32_t routineAddr;
sp = StackFrame<4>(routineAddr);
fprintf(stderr, "%04x UnloadSeg(%08x)\n", trap, routineAddr);
return 0;
}
}

3
toolbox/rm.h
View File

@ -8,6 +8,9 @@ namespace RM
uint16_t Get1NamedResource(uint16_t trap);
uint16_t GetResource(uint16_t trap);
uint16_t UnloadSeg(uint16_t trap);
}
#endif

5
toolbox/toolbox.cpp
View File

@ -116,6 +116,11 @@ namespace ToolBox {
d0 = RM::GetResource(trap);
break;
// UnloadSeg (routineAddr: Ptr);
case 0xa9f1:
d0 = RM::UnloadSeg(trap);
break;
// quickdraw (AsmIIgs ... )
// _ShowCursor();