Mercurial > repos > blastem
annotate trans.c @ 303:8290d3086ff0
BIT was setting the zero flag to the opposite of what it should have. This is now fixed.
author | Mike Pavone <pavone@retrodev.com> |
---|---|
date | Wed, 08 May 2013 23:17:54 -0700 |
parents | e657a99b5abf |
children | 306986209cba |
rev | line source |
---|---|
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1 #include "68kinst.h" |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
2 #include "m68k_to_x86.h" |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
3 #include "mem.h" |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
4 #include <stdio.h> |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
5 #include <stdlib.h> |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
6 |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
7 int main(int argc, char ** argv) |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
8 { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
9 long filesize; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
10 unsigned short *filebuf; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
11 char disbuf[1024]; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
12 unsigned short * cur; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
13 x86_68k_options opts; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
14 m68k_context context; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
15 FILE * f = fopen(argv[1], "rb"); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
16 fseek(f, 0, SEEK_END); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
17 filesize = ftell(f); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
18 fseek(f, 0, SEEK_SET); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
19 filebuf = malloc(filesize); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
20 fread(filebuf, 2, filesize/2, f); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
21 fclose(f); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
22 for(cur = filebuf; cur - filebuf < (filesize/2); ++cur) |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
23 { |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
24 *cur = (*cur >> 8) | (*cur << 8); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
25 } |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
26 init_x86_68k_opts(&opts); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
27 init_68k_context(&context, opts.native_code_map, &opts); |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
28 //cartridge ROM |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
29 context.mem_pointers[0] = filebuf; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
30 context.target_cycle = 0x7FFFFFFF; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
31 //work RAM |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
32 context.mem_pointers[1] = malloc(64 * 1024); |
212
e657a99b5abf
Fixed up trans for changes to translate_m68k_stream, but still need to deal with missing callbacks.
Mike Pavone <pavone@retrodev.com>
parents:
19
diff
changeset
|
33 uint32_t address; |
e657a99b5abf
Fixed up trans for changes to translate_m68k_stream, but still need to deal with missing callbacks.
Mike Pavone <pavone@retrodev.com>
parents:
19
diff
changeset
|
34 address = filebuf[2] << 16 | filebuf[3]; |
e657a99b5abf
Fixed up trans for changes to translate_m68k_stream, but still need to deal with missing callbacks.
Mike Pavone <pavone@retrodev.com>
parents:
19
diff
changeset
|
35 translate_m68k_stream(address, &context); |
19
4717146a7606
Initial support for M68k reset vector, rather than starting at an arbitrary address
Mike Pavone <pavone@retrodev.com>
parents:
18
diff
changeset
|
36 m68k_reset(&context); |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
37 return 0; |
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
38 } |