Memotech graphic blocks are 2 x 4 for 256 symbols
#define FMT_AMSMONO 133 /* Amstrad mono - weird interleave */
#define FMT_AMS4 134 /* Amstrad 4 colour - ditto */
#define FMT_AMS16 135 /* Amstraid 16 colour - ditto */
+#define FMT_8PIXEL_MTX 136 /* 256 characters graphics mode symbols (MTX) */
uint8_t hardware;
#define HW_UNACCEL 1 /* Simple display */
#define HW_VDP_9918A 128 /* Not neccessarily MSX... */
#define FMT_AMSMONO 133 /* Amstrad mono - weird interleave */
#define FMT_AMS4 134 /* Amstrad 4 colour - ditto */
#define FMT_AMS16 135 /* Amstraid 16 colour - ditto */
+#define FMT_8PIXEL_MTX 136 /* 256 characters graphics mode symbols (MTX) */
uint8_t hardware;
#define HW_UNACCEL 1 /* Simple display */
#define HW_VDP_9918A 128 /* Not neccessarily MSX... */