Mercurial > repos > blastem

annotate runtime_32.S @ 691:74d636e85bf8

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
WIP of functions to determine size of x86 instruction to allow patching of arbitrary pieces of code
author Michael Pavone <pavone@retrodev.com>
date Sat, 14 Mar 2015 12:05:03 -0700
parents 5a6ff0d76032
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
550
96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1
96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
2
96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
3 invalid_msg:
96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
4 .asciz "Invalid instruction at %X\n"
96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
5
96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
6 .global m68k_invalid
96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
7 m68k_invalid:
96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
8 push %ecx
96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
9 push invalid_msg
96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
10 xor %eax, %eax
96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
11 call printf
96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
12 push $1
96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
13 call exit
96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
14
96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
15
96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
16
96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
17