void screen_swap(int indicate_rasterpos)
{
SDL_Rect dst,src;
if(disable) return;
if(debugger) {
display_swap_screen();
}
SDL_UpdateTexture(texture, NULL, screen->pixels, screen->pitch);
if(crop_screen) {
src.x = mon.crop_offset_x;
src.y = mon.crop_offset_y;
src.w = mon.crop_width;
src.h = mon.crop_height;
SDL_RenderCopy(renderer, texture, &src, NULL);
} else {
SDL_RenderCopy(renderer, texture, NULL, NULL);
}
if(indicate_rasterpos) {
int rasterpos = screen_get_vsync();
dst.x = 2*(rasterpos%512)-8;
dst.y = 2*(rasterpos/512);
dst.w = 8;
dst.h = 2;
SDL_RenderCopy(renderer, rasterpos_indicator[rasterpos_indicator_cnt&1], NULL, &dst);
rasterpos_indicator_cnt++;
}
SDL_RenderPresent(renderer);
}
static int debug_do_key_edit(SDL_KeyboardEvent key)
{
SDL_Keysym k;
k = key.keysym;
if(k.sym == SDLK_RETURN) {
if(edit_finish(win_get_exwin()) == EDIT_SUCCESS) {
win_set_exwin(EDIT_EXIT);
keymode = KEY_NORMAL;
}
} else if(k.sym == SDLK_ESCAPE) {
win_set_exwin(EDIT_EXIT);
keymode = KEY_NORMAL;
} else if(k.sym == SDLK_LEFT) {
edit_move(EDIT_LEFT);
} else if(k.sym == SDLK_RIGHT) {
edit_move(EDIT_RIGHT);
} else if(k.sym == SDLK_BACKSPACE) {
edit_remove_char();
}
display_swap_screen();
return 0;
}
void debug_init()
{
if(clocked_cpu) {
runfn = cpu_run_clocked;
stepfn = cpu_step_instr_clocked;
} else {
runfn = cpu_run;
stepfn = cpu_step_instr;
}
display_setup();
win_setup_default();
display_swap_screen();
}
static int debug_do_text_edit(SDL_TextInputEvent tev)
{
if(((tev.text[0] >= '0') && (tev.text[0] <= '9')) ||
((tev.text[0] >= 'a') && (tev.text[0] <= 'z')) ||
((tev.text[0] >= 'A') && (tev.text[0] <= 'Z')) ||
(tev.text[0] == '[') || (tev.text[0] == ']') ||
(tev.text[0] == '(') || (tev.text[0] == ')') ||
(tev.text[0] == '$') || (tev.text[0] == '-') ||
(tev.text[0] == '+') || (tev.text[0] == '*') ||
(tev.text[0] == '/') || (tev.text[0] == '_') ||
(tev.text[0] == '|') || (tev.text[0] == '&') ||
(tev.text[0] == '^') || (tev.text[0] == '~') ||
(tev.text[0] == '\\') || (tev.text[0] == '.') ||
(tev.text[0] == '!') || (tev.text[0] == '<') ||
(tev.text[0] == '>') ||
(tev.text[0] == '=') || (tev.text[0] == ',')) {
edit_insert_char(tev.text[0]);
}
display_swap_screen();
return 0;
}
int debug_event_parse(SDL_Event ev)
{
switch(ev.type) {
case SDL_WINDOWEVENT:
if(ev.window.windowID == debug_window_id) {
screen_swap(DEBUG_NORMAL);
display_swap_screen();
}
break;
case SDL_TEXTINPUT:
case SDL_KEYDOWN:
if(debug_dispatch_keys(ev)) {
SDL_Quit();
return 1;
}
break;
case SDL_QUIT:
SDL_Quit();
return 1;
}
return 0;
}
static int debug_do_key_normal(SDL_KeyboardEvent key)
{
SDL_Keysym k;
int ret;
k = key.keysym;
win_set_message("");
switch(k.sym) {
case SDLK_ESCAPE:
win[2].addr = cpu->pc;
break;
case SDLK_TAB:
win_cycle_selected();
break;
case SDLK_PRINTSCREEN:
// TODO: toggle this state.
diag_set_module_levels("CPU0:6");
break;
case SDLK_UP:
win_move_window(MOVE_UP, k.mod&KMOD_SHIFT);
break;
case SDLK_DOWN:
win_move_window(MOVE_DOWN, k.mod&KMOD_SHIFT);
break;
case SDLK_LEFT:
win_move_window(MOVE_LEFT, k.mod&KMOD_SHIFT);
break;
case SDLK_RIGHT:
win_move_window(MOVE_RIGHT, k.mod&KMOD_SHIFT);
break;
case SDLK_d:
if(debugmode) debugmode = 0; else debugmode = 1;
break;
case SDLK_t:
if(k.mod & KMOD_ALT)
win_toggle_window_type(WIN_CURRENT);
break;
case SDLK_f:
if(k.mod & KMOD_ALT)
win_toggle_window_font(WIN_CURRENT);
break;
case SDLK_s:
if(k.mod & KMOD_ALT)
win_toggle_window_split(WIN_CURRENT);
if(k.mod & KMOD_CTRL)
debug_skip_next_instr();
break;
case SDLK_y:
if(k.mod & KMOD_ALT)
win_toggle_window_full(WIN_CURRENT);
break;
case SDLK_z:
if(k.mod & KMOD_CTRL) {
if((win_get_selected() != 2) && (win_get_selected() != 4))
win_set_selected(2);
ret = stepfn(CPU_TRACE_SINGLE);
if(debugmode) {
cpu_print_status(CPU_USE_CURRENT_PC);
mfp_print_status();
}
if(ret == CPU_BREAKPOINT) {
win_set_message("Breakpoint");
} else if(ret == CPU_WATCHPOINT) {
win_set_message("Watchpoint");
} else {
win_set_message("Trace");
}
win_move_window_to_pc();
}
break;
case SDLK_a:
if(k.mod & KMOD_CTRL) {
debug_breakpoint_next_instr();
if((win_get_selected() != 2) && (win_get_selected() != 4))
win_set_selected(2);
debug_update_win = 0;
ret = runfn(CPU_DEBUG_RUN);
debug_update_win = 1;
if(ret == CPU_BREAKPOINT) {
win_set_message("Breakpoint");
} else if(ret == CPU_WATCHPOINT) {
win_set_message("Watchpoint");
}
win_move_window_to_pc();
}
break;
case SDLK_r:
if(k.mod & KMOD_CTRL) {
if((win_get_selected() != 2) && (win_get_selected() != 4))
win_set_selected(2);
debug_update_win = 0;
ret = runfn(CPU_DEBUG_RUN);
debug_update_win = 1;
if(ret == CPU_BREAKPOINT) {
win_set_message("Breakpoint");
} else if(ret == CPU_WATCHPOINT) {
win_set_message("Watchpoint");
} else {
printf("DEBUG: Run Return %d\n", ret);
}
win_move_window_to_pc();
} else if(k.mod & KMOD_ALT) {
win_set_exwin(EDIT_SETREG);
debug_set_editmode();
}
break;
case SDLK_m:
if(k.mod & KMOD_ALT) {
win_set_exwin(EDIT_SETMEM);
debug_set_editmode();
} else {
if(win_get_selected() > 1) {
win_set_exwin(EDIT_SETADDR);
debug_set_editmode();
}
}
break;
case SDLK_v:
if(viewmode == VIEW_DISPLAY)
viewmode = VIEW_DEBUG;
else
viewmode = VIEW_DISPLAY;
break;
case SDLK_l:
if(k.mod & KMOD_SHIFT) {
win_set_exwin(EDIT_LABELCMD);
} else {
win_set_exwin(EDIT_LABEL);
}
debug_set_editmode();
break;
case SDLK_b:
if(k.mod & KMOD_ALT) {
win_set_exwin(EDIT_SETBRK);
debug_set_editmode();
} else if(k.mod & KMOD_CTRL) {
if(win[win_get_selected()].type == TYPE_DIS)
debug_toggle_breakpoint(win_get_selected());
} else {
cpu_print_breakpoints();
}
break;
case SDLK_w:
if(k.mod & KMOD_ALT) {
win_set_exwin(EDIT_SETWATCH);
debug_set_editmode();
}
break;
case SDLK_c:
if(k.mod & KMOD_CTRL) return 1;
screen_clear();
break;
case SDLK_F12:
printf("-------------------------------------------\n");
cpu_print_status(CPU_USE_CURRENT_PC);
printf("- - - - - - - - - - - - - - - - - - - - - -\n");
mfp_print_status();
printf("- - - - - - - - - - - - - - - - - - - - - -\n");
ikbd_print_status();
printf("-------------------------------------------\n");
default:
break;
}
screen_swap(DEBUG_INDICATE_RASTERPOS);
display_swap_screen();
return 0;
}
