Mercurial > repos > blastem
changeset 2418:cc07f544c620
Fix uninitialized base cycle count in Z80 interp path and do a little other interp path cleanup. Fixes issue with 3x3 Eyes
| author | Michael Pavone <pavone@retrodev.com> |
|---|---|
| date | Wed, 17 Jan 2024 23:51:37 -0800 |
| parents | 9f3008f91bec |
| children | 0871f555eff6 |
| files | z80_to_x86.c |
| diffstat | 1 files changed, 11 insertions(+), 5 deletions(-) [+] |
line wrap: on
line diff
--- a/z80_to_x86.c Mon Jan 15 17:32:20 2024 -0800 +++ b/z80_to_x86.c Wed Jan 17 23:51:37 2024 -0800 @@ -325,7 +325,7 @@ void translate_z80inst(z80inst * inst, z80_context * context, uint16_t address, uint8_t interp) { - uint32_t num_cycles; + uint32_t num_cycles = 0; host_ea src_op, dst_op; uint8_t size; z80_options *opts = context->options; @@ -2861,15 +2861,21 @@ { z80_options *opts = context->options; code_info * code = &opts->gen.code; - check_alloc_code(code, 32); + check_alloc_code(code, 64); code_info stub = {code->cur, NULL}; - //TODO: make this play well with the breakpoint code + + check_cycles_int(&opts->gen, address); + if (context->breakpoint_flags[address / 8] & (1 << (address % 8))) { + zbreakpoint_patch(context, address, stub.cur); + } + add_ir(code, 1, opts->regs[Z80_R], SZ_B); +#ifdef Z80_LOG_ADDRESS + log_address(&opts->gen, address, "Z80: %X @ %d\n"); +#endif mov_ir(code, address, opts->gen.scratch1, SZ_W); call(code, opts->read_8); //opcode fetch M-cycles have one extra T-state cycles(&opts->gen, 1); - //TODO: increment R - check_cycles_int(&opts->gen, address); call(code, opts->gen.save_context); mov_irdisp(code, address, opts->gen.context_reg, offsetof(z80_context, pc), SZ_W); push_r(code, opts->gen.context_reg);