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Add disasm command (toggle disassembly)

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Peter Evans 2018-02-26 20:52:13 -06:00
parent 4558e62adc
commit edd175c1f9
3 changed files with 24 additions and 0 deletions
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1
include/vm_debug.h
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@ -78,6 +78,7 @@ extern void vm_debug_unbreak(int);
extern void vm_debug_unbreak_all(); extern void vm_debug_unbreak_all();
extern DEBUG_CMD(break); extern DEBUG_CMD(break);
extern DEBUG_CMD(disasm);
extern DEBUG_CMD(help); extern DEBUG_CMD(help);
extern DEBUG_CMD(jump); extern DEBUG_CMD(jump);
extern DEBUG_CMD(printaddr); extern DEBUG_CMD(printaddr);

13
src/vm_debug.c
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@ -9,6 +9,7 @@
#include <stdlib.h> #include <stdlib.h>
#include <strings.h> #include <strings.h>
#include "apple2.h"
#include "mos6502.h" #include "mos6502.h"
#include "vm_debug.h" #include "vm_debug.h"
#include "vm_di.h" #include "vm_di.h"
@ -33,6 +34,8 @@ static bool breakpoints[BREAKPOINTS_MAX];
vm_debug_cmd cmdtable[] = { vm_debug_cmd cmdtable[] = {
{ "break", "b", vm_debug_cmd_break, 1, "<addr>", { "break", "b", vm_debug_cmd_break, 1, "<addr>",
"Add breakpoint at <addr>", }, "Add breakpoint at <addr>", },
{ "disasm", "d", vm_debug_cmd_disasm, 0, "",
"Toggle disassembly", },
{ "help", "h", vm_debug_cmd_help, 0, "", { "help", "h", vm_debug_cmd_help, 0, "",
"Print out this list of commands", }, "Print out this list of commands", },
{ "jump", "j", vm_debug_cmd_jump, 1, "<addr>", { "jump", "j", vm_debug_cmd_jump, 1, "<addr>",
@ -415,3 +418,13 @@ DEBUG_CMD(step)
mos6502_execute(cpu); mos6502_execute(cpu);
vm_debug_break(cpu->PC); vm_debug_break(cpu->PC);
} }
DEBUG_CMD(disasm)
{
apple2 *mach = (apple2 *)vm_di_get(VM_MACHINE);
FILE *stream = (FILE *)vm_di_get(VM_OUTPUT);
vm_reflect_disasm(NULL);
fprintf(stream, "disassembly %s\n", mach->disasm ? "ON" : "OFF");
}

10
tests/vm_debug.c
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@ -268,3 +268,13 @@ Test(vm_debug, cmd_step)
} }
/* Test(vm_debug, cmd_quit) */ /* Test(vm_debug, cmd_quit) */
Test(vm_debug, cmd_disassemble)
{
cr_assert_eq(mach->disasm, false);
vm_debug_cmd_disasm(&args);
cr_assert_neq(strlen(buf), 0);
cr_assert_eq(mach->disasm, true);
vm_debug_cmd_disasm(&args);
cr_assert_eq(mach->disasm, false);
}