Changeset b909777 in buchla-emu for emu/main.c

Timestamp:

07/20/2017 04:19:40 PM (7 years ago)

Author:

Thomas Lopatic <thomas@…>

Branches:

master

Children:

51b6cfd

Parents:

a06aa8b

Message:

Parse command line options. Load BIOS file.

File:

• emu/main.c (modified) (1 diff)

emu/main.c

@@ -18 +18 @@
 #include <all.h>
 
+typedef struct {
+        const char *name;
+        bool *flag;
+} verb_flag_t;
+
+static verb_flag_t verb_flags[] = {
+        { "sdl", &sdl_verbose },
+        { "cpu", &cpu_verbose },
+        { "fpu", &fpu_verbose },
+        { "vid", &vid_verbose },
+        { "tim", &tim_verbose },
+        { "lcd", &lcd_verbose },
+        { "ser", &ser_verbose },
+        { "mid", &mid_verbose },
+        { "fdd", &fdd_verbose },
+        { "snd", &snd_verbose },
+        { "led", &led_verbose },
+        { "kbd", &kbd_verbose }
+};
+
+static const char *bios = "bios.abs";
+
+static void usage(FILE *fh)
+{
+        fprintf(fh, "usage: buchla [-h] [-v comp [-v comp [...]]] [-b bios]\n");
+        fprintf(fh, "where comp is one of: ");
+
+        for (int32_t i = 0; i < ARRAY_COUNT(verb_flags); ++i) {
+                fprintf(fh, "%s, ", verb_flags[i].name);
+        }
+
+        fprintf(fh, "all\n");
+}
+
+static void parse_args(int32_t argc, char *argv[])
+{
+        for (int32_t i = 0; i < argc; ++i) {
+                if (strcmp(argv[i], "-h") == 0) {
+                        usage(stdout);
+                        exit(0);
+                }
+
+                if (strcmp(argv[i], "-b") == 0) {
+                        if (++i == argc) {
+                                usage(stderr);
+                                fprintf(stderr, "missing argument to -b\n");
+                                exit(1);
+                        }
+
+                        bios = argv[i];
+                        continue;
+                }
+
+                if (strcmp(argv[i], "-v") == 0) {
+                        if (++i == argc) {
+                                usage(stderr);
+                                fprintf(stderr, "missing argument to -v\n");
+                                exit(1);
+                        }
+
+                        int32_t k;
+
+                        if (strcmp(argv[i], "all") == 0) {
+                                for (k = 0; k < ARRAY_COUNT(verb_flags); ++k) {
+                                        *verb_flags[k].flag = true;
+                                }
+
+                                continue;
+                        }
+
+                        for (k = 0; k < ARRAY_COUNT(verb_flags); ++k) {
+                                if (strcmp(argv[i], verb_flags[k].name) == 0) {
+                                        *verb_flags[k].flag = true;
+                                        break;
+                                }
+                        }
+
+                        if (k == ARRAY_COUNT(verb_flags)) {
+                                usage(stderr);
+                                fprintf(stderr, "invalid argument to -v: %s\n", argv[i]);
+                                exit(1);
+                        }
+
+                        continue;
+                }
+        }
+}
+
 int32_t main(int32_t argc, char *argv[])
 {
-        (void)argc;
-        (void)argv;
-
+        parse_args(argc, argv);
         sdl_init();
 
-        cpu_verbose = true;
-        cpu_loop();
+        cpu_loop(bios);
 
         sdl_quit();