return 0;
}
+/* dump_ram_
+ * print raw ram contents from start to stop
+ */
+static
+void dump_ram_(struct dcpu16 *vm, DCPU16_WORD start, DCPU16_WORD end) {
+ unsigned int i, j;
+ const unsigned int n = 8; /* words per line */
+
+ if (!vm) return;
+
+ for (i = start, j = 0; i <= end; i++, j++) {
+ if (j % n == 0)
+ printf("0x%04x:\t", i);
+ printf(" %04x%s", vm->ram[i], (j % n) == (n - 1) ? "\n" : "");
+ }
+ if ((j % n) != (n - 1))
+ printf("\n");
+}
+
+
+/*
+ print the current state of the machine
+ shows current cycle count, registers, and next instruction
+*/
+static
+void state_print_(struct dcpu16 *vm) {
+ unsigned int i;
+
+ if (!vm) return;
+
+ printf(" ");
+ for (i = 0; i < 8; i++)
+ printf(" %s:0x%04x", dcpu16_reg_names[i], vm->reg[i]);
+ printf("\n");
+
+ printf("(0x%08llx) %2s:0x%04x %2s:0x%04x %2s:0x%04x %2s:0x%04x [%2s]:",
+ vm->cycle_,
+ dcpu16_reg_names[DCPU16_REG_EX], vm->reg[DCPU16_REG_EX],
+ dcpu16_reg_names[DCPU16_REG_SP], vm->reg[DCPU16_REG_SP],
+ dcpu16_reg_names[DCPU16_REG_PC], vm->reg[DCPU16_REG_PC],
+ dcpu16_reg_names[DCPU16_REG_IA], vm->reg[DCPU16_REG_IA],
+ "PC");
+
+ dcpu16_disassemble_print(vm, vm->reg[DCPU16_REG_PC]);
+ printf("\n");
+}
+
#ifdef HAVE_LIBVNCSERVER
static struct dynamic_array rfbScreens_;
-/* wups, kbdAddEvent isn't null by default, so I guess track things externally */
+/* wups, kbdAddEvent isn't null by default, so I guess track associations externally */
struct rfb_instance_ {
rfbScreenInfoPtr screen;
struct dcpu16_hw *attached_display;
struct rfb_instance_ *rfbScreen_next_available_display_(struct dynamic_array *rfbScreens, int argc, char *argv[]) {
size_t i;
struct rfb_instance_ new_instance, *s;
+ struct packed_args_ {
+ int argc;
+ char **argv;
+ } parg = { argc, argv };
fprintf(stderr, "DEBUG: rfbScreens->entries:%zu\n", rfbScreens->entries);
return s;
}
- new_instance.screen = lem1802_rfb_new(argc, argv);
+ if (dcpu16_hw_module_lem1802.ctl(NULL, "new_rfbScreen", &parg, &new_instance.screen)) {
+ fprintf(stderr, "failed to allocate new rfbScreen");
+ return NULL;
+ }
+
new_instance.attached_display = NULL;
new_instance.attached_keyboard = NULL;
s = dynarray_add(rfbScreens, &new_instance);
struct rfb_instance_ *rfbScreen_next_available_keyboard_(struct dynamic_array *rfbScreens, int argc, char *argv[]) {
size_t i;
struct rfb_instance_ new_instance, *s;
+ struct packed_args_ {
+ int argc;
+ char **argv;
+ } parg = { argc, argv };
for (i = 0; i < rfbScreens->entries; i++) {
s = (struct rfb_instance_ *)DYNARRAY_ITEM(*rfbScreens, i);
return s;
}
- new_instance.screen = lem1802_rfb_new(argc, argv);
+ if (dcpu16_hw_module_lem1802.ctl(NULL, "new_rfbScreen", &parg, &new_instance.screen)) {
+ fprintf(stderr, "failed to allocate new rfbScreen");
+ return NULL;
+ }
+
new_instance.attached_display = NULL;
new_instance.attached_keyboard = NULL;
s = dynarray_add(rfbScreens, &new_instance);
return 0;
}
- dcpu16_dump_ram(vm, addr[0], addr[1]);
+ dump_ram_(vm, addr[0], addr[1]);
return 0;
}
dcpu16_step(vm);
if (count > 1 && opt_.verbose)
- dcpu16_state_print(vm);
+ state_print_(vm);
}
return 0;
dcpu16_step(vm);
if (opt_.verbose > 1)
- dcpu16_state_print(vm);
+ state_print_(vm);
else if (opt_.verbose) {
dcpu16_disassemble_print(vm, vm->reg[DCPU16_REG_PC]);
printf("\n");
struct renderer_ {
char *name;
char *args;
- int (*renderer)(void *, void *, size_t, size_t);
- } *r;
- char *name, *args;
+ } renderer;
void *iter;
fprintf(f, "\tdisplay renderer [renderer data]\n");
fprintf(f, "Supported renderers:\n");
- if (dcpu16_hw_module_lem1802.ctl(NULL, "get_renderers", NULL, &r)) {
- fprintf(stderr, "error fetching list of renderers\n");
- return;
- }
-
- while (r->name) {
- fprintf(f, "name:%s args:%s\n", r->name, r->args);
- }
-
iter = NULL;
- while ( (lem1802_renderers_iter(&iter, &name, &args)) ) {
- fprintf(f, "\t%s %s\n", name, args);
- }
+ do {
+ if (dcpu16_hw_module_lem1802.ctl(NULL, "renderers_iter", &iter, &renderer)) {
+ fprintf(stderr, "error fetching next renderer\n");
+ break;
+ }
+ if (iter == NULL || renderer.name == NULL)
+ break;
+
+ fprintf(f, "\t%s %s\n", renderer.name, renderer.args);
+ } while (iter);
}
COMMAND_IMPL(keyboard) {
tok_v = tok_v_prev = NULL,
tok_c = tok_c_prev= 0,
snprintf(prompt, sizeof prompt, prompt_fmt, vm->reg[DCPU16_REG_PC]),
- dcpu16_state_print(vm);
+ state_print_(vm);
(line = readline(prompt));
printf("\n"),
snprintf(prompt, sizeof prompt, prompt_fmt, vm->reg[DCPU16_REG_PC]),
- dcpu16_state_print(vm)) {
+ state_print_(vm)) {
const char whitespace[] = " \t";
char *line_start;
struct command_ *c;