diff options
| author | Michael Pavone <pavone@retrodev.com> | 2016-04-27 21:39:17 -0700 |
|---|---|---|
| committer | Michael Pavone <pavone@retrodev.com> | 2016-04-27 21:39:17 -0700 |
| commit | 77a5b1309cb7a510cf4ec659ee8aa34d605f92b1 (patch) | |
| tree | 5c5b300cb4df637012a4d70a27c16b9ae6b51a0a /m68k_core.c | |
| parent | f09de63e08bbd4ed2733bb0af9b666e770ead9b3 (diff) | |
Implemented IR and undefined bits of info word for address error exception frames
Diffstat (limited to 'm68k_core.c')
| -rw-r--r-- | m68k_core.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/m68k_core.c b/m68k_core.c index f2817cf..69cd94d 100644 --- a/m68k_core.c +++ b/m68k_core.c @@ -702,6 +702,17 @@ void m68k_handle_deferred(m68k_context * context) } } +uint16_t m68k_get_ir(m68k_context *context) +{ + uint32_t inst_addr = get_instruction_start(context->options, context->native_code_map, context->last_prefetch_address-2); + uint16_t *native_addr = get_native_pointer(inst_addr, (void **)context->mem_pointers, &context->options->gen); + if (native_addr) { + return *native_addr; + } + fprintf(stderr, "M68K: Failed to calculate value of IR. Last prefetch address: %X\n", context->last_prefetch_address); + return 0xFFFF; +} + typedef enum { RAW_FUNC = 1, BINARY_ARITH, @@ -826,6 +837,7 @@ void translate_m68k(m68k_options * opts, m68kinst * inst) if ( (inst->src.addr_mode > MODE_AREG && inst->src.addr_mode < MODE_IMMEDIATE) || (inst->dst.addr_mode > MODE_AREG && inst->dst.addr_mode < MODE_IMMEDIATE) + || (inst->op == M68K_BCC && (inst->src.params.immed & 1)) ) { //Not accurate for all cases, but probably good enough for now m68k_set_last_prefetch(opts, inst->address + inst->bytes); |