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SetOSTrapAddress stub

This commit is contained in:
Kelvin Sherlock 2015-02-13 13:22:07 -05:00
parent b255937e6c
commit 24c17a9a88
2 changed files with 37 additions and 0 deletions
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36
toolbox/dispatch.cpp
View File

@ -191,6 +191,38 @@ namespace OS {
return 0; // MacOS::dsCoreErr;
}
uint16_t SetOSTrapAddress(uint16_t trap)
{
//pascal void SetOSTrapAddress(long trapAddr, short trapNum);
/*
* on entry:
* A0 Address of patch
* D0 trap number
*
* on exit:
*
*/
// Used by 3.2, 3.3 Link to patch
// MaxBlock (bug with CloseResFile).
uint16_t trapNumber = cpuGetDReg(0);
uint32_t trapAddress = cpuGetAReg(0);
const char *trapName = TrapName(trapNumber | 0xa000);
if (!trapName) trapName = "Unknown";
Log("%04x SetToolTrapAddress($%08x, $%04x (%s))\n",
trap, trapAddress, trapNumber, trapName);
trapNumber &= 0x00ff;
os_address[trapNumber] = trapAddress;
return 0;
}
uint16_t OSDispatch(uint16_t trap)
{
uint16_t selector;
@ -542,6 +574,10 @@ namespace ToolBox {
d0 = OS::GetOSTrapAddress(trap);
break;
case 0xa247:
d0 = OS::SetOSTrapAddress(trap);
break;
case 0xA823:
d0 = OS::AliasDispatch(trap);
break;

1
toolbox/os.h
View File

@ -91,6 +91,7 @@ namespace OS
uint16_t SetToolTrapAddress(uint16_t trap);
uint16_t GetOSTrapAddress(uint16_t trap);
uint16_t SetOSTrapAddress(uint16_t trap);
#pragma mark - Alias Manager