diff options
| author | Mike Pavone <pavone@retrodev.com> | 2013-04-29 21:46:48 -0700 |
|---|---|---|
| committer | Mike Pavone <pavone@retrodev.com> | 2013-04-29 21:46:48 -0700 |
| commit | b4d93c2e5ed601430c9680b8f06996ea834f80b7 (patch) | |
| tree | 2c3d635e7313b25e7279906fa5fbb94bc8609659 /zruntime.S | |
| parent | e43d9cd9eb59197c72eb08189cfcbb37cd630898 (diff) | |
Implement retranslating code when written to. Possibly broken, need to fix some other bugs before a proper test.
Diffstat (limited to 'zruntime.S')
| -rw-r--r-- | zruntime.S | 20 |
1 files changed, 20 insertions, 0 deletions
@@ -99,6 +99,15 @@ z80_write_byte_noinc: z80_write_ram: and $0x1FFF, %r13 mov %r14b, (%r11, %r13) + mov %r13d, %r14d + shr $7, %r14d + bt %r14d, 152(%rsi) + jnc not_code + call z80_save_context + mov %r13d, %edi + call z80_handle_code_write + mov %rax, %rsi +not_code: ret z80_write_bank: and $0x7FFF, %r13 @@ -167,6 +176,17 @@ z80_write_word_lowfirst: call z_inccycles call z80_write_byte_noinc ret + + .global z80_retrans_stub +z80_retrans_stub: + call z80_save_context + mov %r13d, %edi + push %rsi + call z80_retranslate_inst + pop %rsi + mov %rax, %r13 + call z80_load_context + jmp *%r13 .global z80_native_addr z80_native_addr: |