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comparison m68k_core.c @ 986:f680fe746a7d

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Implement illegal instruction trap
author Michael Pavone <pavone@retrodev.com>
date Tue, 26 Apr 2016 00:07:15 -0700
parents 751280fb4494
children 1f09994e92c5
comparison
equal deleted inserted replaced
985:751280fb4494 986:f680fe746a7d
334 void translate_m68k_trap(m68k_options *opts, m68kinst *inst) 334 void translate_m68k_trap(m68k_options *opts, m68kinst *inst)
335 { 335 {
336 code_info *code = &opts->gen.code; 336 code_info *code = &opts->gen.code;
337 ldi_native(opts, inst->src.params.immed + VECTOR_TRAP_0, opts->gen.scratch2); 337 ldi_native(opts, inst->src.params.immed + VECTOR_TRAP_0, opts->gen.scratch2);
338 ldi_native(opts, inst->address+2, opts->gen.scratch1); 338 ldi_native(opts, inst->address+2, opts->gen.scratch1);
339 jmp(code, opts->trap);
340 }
341
342 void translate_m68k_illegal(m68k_options *opts, m68kinst *inst)
343 {
344 code_info *code = &opts->gen.code;
345 cycles(&opts->gen, BUS);
346 ldi_native(opts, VECTOR_ILLEGAL_INST, opts->gen.scratch2);
347 ldi_native(opts, inst->address, opts->gen.scratch1);
339 jmp(code, opts->trap); 348 jmp(code, opts->trap);
340 } 349 }
341 350
342 void translate_m68k_move_usp(m68k_options *opts, m68kinst *inst) 351 void translate_m68k_move_usp(m68k_options *opts, m68kinst *inst)
343 { 352 {
798 //traps 807 //traps
799 OP_IMPL(M68K_CHK, translate_m68k_chk), 808 OP_IMPL(M68K_CHK, translate_m68k_chk),
800 RAW_IMPL(M68K_TRAP, translate_m68k_trap), 809 RAW_IMPL(M68K_TRAP, translate_m68k_trap),
801 RAW_IMPL(M68K_TRAPV, translate_m68k_trapv), 810 RAW_IMPL(M68K_TRAPV, translate_m68k_trapv),
802 RAW_IMPL(M68K_ILLEGAL, translate_m68k_illegal), 811 RAW_IMPL(M68K_ILLEGAL, translate_m68k_illegal),
803 RAW_IMPL(M68K_INVALID, translate_m68k_invalid), 812 RAW_IMPL(M68K_INVALID, translate_m68k_illegal),
804 813
805 //misc 814 //misc
806 RAW_IMPL(M68K_NOP, translate_m68k_nop), 815 RAW_IMPL(M68K_NOP, translate_m68k_nop),
807 RAW_IMPL(M68K_RESET, translate_m68k_reset), 816 RAW_IMPL(M68K_RESET, translate_m68k_reset),
808 RAW_IMPL(M68K_TAS, translate_m68k_tas), 817 RAW_IMPL(M68K_TAS, translate_m68k_tas),