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comparison debug.c @ 1424:4f96103b4b47

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Fix s(tep) debug command for the case of dbra with an expired counter reg
author Michael Pavone <pavone@retrodev.com>
date Thu, 06 Jul 2017 21:51:35 -0700
parents 85a90964b557
children 079e5b9d59ce
comparison
equal deleted inserted replaced
1423:9a3e003bdcb3 1424:4f96103b4b47
794 } else if(m68k_is_branch(&inst)) { 794 } else if(m68k_is_branch(&inst)) {
795 if (inst.op == M68K_BCC && inst.extra.cond != COND_TRUE) { 795 if (inst.op == M68K_BCC && inst.extra.cond != COND_TRUE) {
796 branch_f = after; 796 branch_f = after;
797 branch_t = m68k_branch_target(&inst, context->dregs, context->aregs) & 0xFFFFFF; 797 branch_t = m68k_branch_target(&inst, context->dregs, context->aregs) & 0xFFFFFF;
798 insert_breakpoint(context, branch_t, debugger); 798 insert_breakpoint(context, branch_t, debugger);
799 } else if(inst.op == M68K_DBCC && inst.extra.cond != COND_FALSE) { 799 } else if(inst.op == M68K_DBCC) {
800 branch_t = after; 800 if (inst.extra.cond == COND_FALSE) {
801 branch_f = m68k_branch_target(&inst, context->dregs, context->aregs) & 0xFFFFFF; 801 if (context->dregs[inst.dst.params.regs.pri] & 0xFFFF) {
802 insert_breakpoint(context, branch_f, debugger); 802 after = m68k_branch_target(&inst, context->dregs, context->aregs);
803 }
804 } else {
805 branch_t = after;
806 branch_f = m68k_branch_target(&inst, context->dregs, context->aregs);
807 insert_breakpoint(context, branch_f, debugger);
808 }
803 } else { 809 } else {
804 after = m68k_branch_target(&inst, context->dregs, context->aregs) & 0xFFFFFF; 810 after = m68k_branch_target(&inst, context->dregs, context->aregs) & 0xFFFFFF;
805 } 811 }
806 } 812 }
807 insert_breakpoint(context, after, debugger); 813 insert_breakpoint(context, after, debugger);