Macintosh-SW/mpw
1
0
Fork 0
mirror of https://github.com/ksherlock/mpw.git synced 2024-11-22 00:32:44 +00:00
Code Issues Projects Releases Wiki Activity

loader - cpu integration.

Browse Source
This commit is contained in:
Kelvin Sherlock 2013-02-06 20:07:27 -05:00
parent feca2c0fa1
commit f53b3be9d9
1 changed files with 37 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
bin/loader.cpp
View File

@ -9,6 +9,8 @@
#include <CoreServices/CoreServices.h> #include <CoreServices/CoreServices.h>
#include <cpu/defs.h>
#include <cpu/CpuModule.h>
uint8_t *Memory; uint8_t *Memory;
uint32_t HighWater = 0x1000; uint32_t HighWater = 0x1000;
@ -172,7 +174,8 @@ uint32_t load(const char *file)
jtEnd = jtStart + jtSize; jtEnd = jtStart + jtSize;
// 0x0934 - CurJTOffset (16-bit) // 0x0934 - CurJTOffset (16-bit)
WriteWord(Memory, 0x934, jtOffset); WriteWord(Memory, 0x0934, jtOffset);
cpuSetAReg(5, a5);
} }
else else
{ {
@ -397,9 +400,42 @@ int main(int argc, char **argv)
Memory = new uint8_t[Flags.ram]; Memory = new uint8_t[Flags.ram];
cpuStartup();
cpuSetModel(3,0);
load(argv[0]); load(argv[0]);
InitializeMPW(argc, argv); InitializeMPW(argc, argv);
if (!Flags.stack)
{
fprintf(stderr, "Invalid stack size\n");
exit(EX_CONFIG);
}
std::pair<uint32_t, uint32_t> StackRange;
// allocate stack, set A7...
{
Flags.stack = (Flags.stack + 3) & ~0x03;
uint32_t address = EmulatedNewPtr(Flags.stack);
StackRange.first = address;
StackRange.second = address + Flags.stack;
// address grows down
// -4 is for the return address.
cpuSetAReg(7, address + Flags.stack - 4);
// return address.
WriteLong(Memory, address + Flags.stack - 4, 0xffffffff);
}
/*
for (unsigned i = 0; i < 10; ++i)
{
cpuExecuteInstruction();
}
*/
} }