--- /dev/null
+#include <string.h>
+#include <SDL/SDL.h>
+
+#define WIN_X 1500
+#define WIN_Y 768
+
+char *readline()
+{
+ static char s[2048];
+ return gets(s); /* Insecure, oh well, who cares, this will get replaced later */
+}
+
+struct vars {
+ char *vname, *var, *sub;
+ int val;
+};
+
+int *findvar(char *var, char *sub, struct vars *vars, int n)
+{
+ int i;
+ for (i=0; i<n; i++)
+ if (!strcmp(vars[i].var, var) && ((!sub && !vars[i].sub) || !strcmp(vars[i].sub, sub)))
+ return &vars[i].val;
+ printf("Unknown var: %s %s\n", var, sub);
+}
+
+void main()
+{
+ char *s;
+ struct vars vars[512];
+ int nvars = 0;
+ int readingdata = 0;
+ SDL_Surface *screen;
+
+ if (SDL_Init(SDL_INIT_VIDEO) < 0)
+ {
+ printf("SDL init failed: %s\n", SDL_GetError());
+ return 1;
+ }
+ atexit(SDL_Quit);
+ screen = SDL_SetVideoMode(WIN_X, WIN_Y, 24, SDL_SWSURFACE);
+ if (!screen)
+ {
+ printf("Video init failed: %s\n", SDL_GetError());
+ }
+
+ while ((s = readline()))
+ {
+ if (s[0] == '$')
+ {
+ if (!strcmp(s, "$dumpvars"))
+ {
+ readingdata = 1;
+ printf("Var dump begin on %d vars\n", nvars);
+ } else if (!strncmp(s, "$var", 4)) {
+ char *t;
+ char *vname, *var, *sub;\
+ t = strtok(s, " ");
+ t = strtok(NULL, " ");
+ t = strtok(NULL, " ");
+ t = strtok(NULL, " ");
+ vname = t;
+ t = strtok(NULL, " ");
+ var = t;
+ t = strtok(NULL, " ");
+ if (strcmp(t, "$end"))
+ sub = t;
+ else
+ sub = NULL;
+ printf("Found: %s -> %s %s\n", vname, var, sub);
+
+ vars[nvars].vname = strdup(vname);
+ vars[nvars].var = strdup(var);
+ vars[nvars].sub = sub ? strdup(sub) : NULL;
+ vars[nvars].val = 0;
+ nvars++;
+ }
+ } else if (s[0] == '#')
+ ;
+ else
+ {
+ int val = (s[0] == '1');
+ int i;
+ int oldclk = *findvar("gclk", NULL, vars, nvars);
+ static int pixn = 0;
+ for (i=0; i<nvars; i++)
+ {
+ if (!strcmp(vars[i].vname, s+1))
+ {
+ vars[i].val = val;
+ break;
+ }
+ }
+ if (i == nvars)
+ printf("Unknown: %s\n", s);
+ if (*findvar("gclk", NULL, vars, nvars) != oldclk && oldclk == 1 && ((pixn++) % 2))
+ {
+ static int x = 0, y = 0;
+ static int lasths;
+ unsigned char *pixp;
+ static int *r2 = NULL, *r1 = NULL, *r0 = NULL, *g2 = NULL, *g1 = NULL, *g0 = NULL, *b1 = NULL, *b0 = NULL, *vs = NULL, *hs = NULL;
+ r2 = r2 ? r2 : findvar("red", "[2]", vars, nvars);
+ r1 = r1 ? r1 : findvar("red", "[1]", vars, nvars);
+ r0 = r0 ? r0 : findvar("red", "[0]", vars, nvars);
+ g2 = g2 ? g2 : findvar("green", "[2]", vars, nvars);
+ g1 = g1 ? g1 : findvar("green", "[1]", vars, nvars);
+ g0 = g0 ? g0 : findvar("green", "[0]", vars, nvars);
+ b1 = b1 ? b1 : findvar("blue", "[1]", vars, nvars);
+ b0 = b0 ? b0 : findvar("blue", "[0]", vars, nvars);
+ vs = vs ? vs : findvar("vs", NULL, vars, nvars);
+ hs = hs ? hs : findvar("hs", NULL, vars, nvars);
+
+
+ int r = *r2 << 7 | *r1 << 6 | *r0 << 5;
+ int g = *g2 << 7 | *g1 << 6 | *g0 << 5;
+ int b = *b1 << 7 | *b0 << 6;
+ if (*vs)
+ y = 0;
+ else {
+ if (*hs)
+ {
+ x = 0;
+ if (!lasths)
+ y++;
+ } else
+ x++;
+ }
+ lasths = *hs;
+ SDL_LockSurface(screen);
+ pixp = screen->pixels + ((WIN_X * y + x) * 3);
+ pixp[0] = b; pixp[1] = g; pixp[2] = r;
+ SDL_UnlockSurface(screen);
+ if ((x % 5) == 4)
+ SDL_UpdateRect(screen, x/5*5, y, 5, 1);
+ }
+ }
+ }
+}