Temporarily hide 9bpp & 12bpp profiles that don't work on Pi zero 2

src/defs.h

@@ -121,6 +121,7 @@
 #if defined(RPI2) || defined(RPI3)   // Pi4 may not need these
 #define USE_ALT_M7DEINTERLACE_CODE   // uses re-ordered code for bob and simple motion deinterlace
 #define USE_CACHED_COMPARISON_BUFFER // uses cached memory for the comparison buffer with simple & advanced motion deinterlace
+#define HIDE_12BIT_PROFILES
 #define INHIBIT_DOUBLE_HEIGHT        // inhibit line doubling as it causes memory stalls with Pi2 & Pi3
 #endif
 

src/filesystem.c

@@ -585,15 +585,32 @@ void scan_profiles(char profile_names[MAX_PROFILES][MAX_PROFILE_WIDTH], int has_
             res = f_readdir(&dir, &fno);
             if (res != FR_OK || fno.fname[0] == 0 || *count == MAX_PROFILES) break;
             if (fno.fattrib & AM_DIR) {
+#ifdef HIDE_12BIT_PROFILES             // temporarily hide 12 bit profiles on pi zero 2
+                if (!(strcmp(fno.fname, "Amiga") == 0
+                  ||  strcmp(fno.fname, "Amiga_2000") == 0
+                  ||  strcmp(fno.fname, "Amiga_Var-Scanlines") == 0
+                  ||  strcmp(fno.fname, "Atari_ST") == 0
+                  ||  strcmp(fno.fname, "Atari_STE") == 0
+                  ||  strcmp(fno.fname, "Apple_IIGS") == 0))
+#endif
+                 {
                     strncpy(profile_names[*count], fno.fname, MAX_PROFILE_WIDTH);
                     (*count)++;
+                 }
             } else {
                 if (fno.fname[0] != '.' && strlen(fno.fname) > 4 && strcmp(fno.fname, DEFAULTTXT_STRING) != 0) {
                     char* filetype = fno.fname + strlen(fno.fname)-4;
                     if (strcmp(filetype, ".txt") == 0) {
-                        strncpy(profile_names[*count], fno.fname, MAX_PROFILE_WIDTH);
-                        profile_names[*count][strlen(fno.fname) - 4] = 0;
-                        (*count)++;
+#ifdef HIDE_12BIT_PROFILES
+                        if (!(strcmp(fno.fname, "Sam_Coupe.txt") == 0
+                          ||  strcmp(fno.fname, "BBC_NuLA_3bpp_Mode7.txt") == 0
+                          ||  strcmp(fno.fname, "BBC_NuLA_12bpp_Mode7.txt") == 0))
+#endif
+                        {
+                            strncpy(profile_names[*count], fno.fname, MAX_PROFILE_WIDTH);
+                            profile_names[*count][strlen(fno.fname) - 4] = 0;
+                            (*count)++;
+                        }
                     }
                 }
             }