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| author | Mike Pavone <pavone@retrodev.com> | 2012-12-18 22:19:52 -0800 |
|---|---|---|
| committer | Mike Pavone <pavone@retrodev.com> | 2012-12-18 22:19:52 -0800 |
| commit | 7cad3601cbcb6ea551dc774f17a91fde4c9d71d6 (patch) | |
| tree | 2512d9cca435c62270f71eddadb5c3db4fdb3127 | |
| parent | e88632e2aee3bb60d5ddf197d5b0fd1c24a0c059 (diff) | |
Code in runtime for checking for VDP reads was using the wrong register. This is now fixed.
| -rw-r--r-- | runtime.S | 9 |
1 files changed, 5 insertions, 4 deletions
@@ -17,6 +17,7 @@ do_vdp_port_write: ret do_vdp_port_read: + mov %ecx, %edi call m68k_save_context call vdp_port_read mov %rax, %rsi @@ -28,7 +29,7 @@ bad_access_msg: .asciz "Program tried to access illegal 68K address %X\n" .global m68k_write_word - .global vdp_psg_w + .global try_fifo_write m68k_write_word: and $0xFFFFFF, %rdi cmp $0x400000, %edi @@ -133,7 +134,7 @@ m68k_read_word_scratch1: jle cart cmp $0xE00000, %ecx jge workram - cmp $0xC00000, %edi + cmp $0xC00000, %ecx jge vdp_psg xor %cx, %cx dec %cx @@ -143,9 +144,9 @@ workram: mov (%r9, %rcx), %cx jmp inccycles vdp_psg: - test $0x2700E0, %edi + test $0x2700E0, %ecx jnz crash - and $0x1F, %edi + and $0x1F, %ecx jmp do_vdp_port_read cart: mov (%r8, %rcx), %cx |