Mercurial > repos > blastem
diff backend_x86.c @ 620:9d6fed6501ba
Fix handling of code writes for Z80 core. This seems to get things close to being back to where they were before the big refactor that broke the Z80 core. Some problems remain. Notably the sound driver in Sonic 2 is still quite broken.
| author | Michael Pavone <pavone@retrodev.com> |
|---|---|
| date | Mon, 29 Dec 2014 23:08:39 -0800 |
| parents | 39d7d463ed5b |
| children | 6aa29ac33f1a |
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--- a/backend_x86.c Mon Dec 29 21:36:17 2014 -0800 +++ b/backend_x86.c Mon Dec 29 23:08:39 2014 -0800 @@ -200,9 +200,8 @@ } } if (is_write && (memmap[chunk].flags & MMAP_CODE)) { - //TODO: Fixme for Z80 mov_rr(code, opts->scratch2, opts->scratch1, opts->address_size); - shr_ir(code, 11, opts->scratch1, opts->address_size); + shr_ir(code, opts->ram_flags_shift, opts->scratch1, opts->address_size); bt_rrdisp(code, opts->scratch1, opts->context_reg, opts->ram_flags_off, opts->address_size); code_ptr not_code = code->cur + 1; jcc(code, CC_NC, code->cur + 2); @@ -210,6 +209,10 @@ #ifdef X86_32 push_r(code, opts->context_reg); push_r(code, opts->scratch2); +#else + if (opts->scratch2 != RDI) { + mov_rr(code, opts->scratch2, RDI, opts->address_size); + } #endif call(code, opts->handle_code_write); #ifdef X86_32