coco3: add display basic graphics mode 256x192x2.

diff --git a/Kernel/platform-coco3/devtty.c b/Kernel/platform-coco3/devtty.c
index e4fd2c3..21f1a56 100644 (file)
--- a/Kernel/platform-coco3/devtty.c
+++ b/Kernel/platform-coco3/devtty.c
@@ -119,13 +119,25 @@ static struct display fmodes[] = {
                0,               /* Memory size irrelevant */
                0,               /* supports no graphics commands */
        }
+       {
+               4,               /* Mode  number */
+               256, 192,        /* screen size */
+               256, 192,        /* buffer size */
+               0xFF, 0xFF,      /* no pan, scroll */
+               FMT_MONO_BW,     /* for now just B&W */
+               HW_UNACCEL,      /* no acceleration */
+               0,               /* no features
+               0,               /* Memory size irrelevant */
+               GRX_DRAW,        /* only the basics */
+       }
 };
 
-static struct mode_s mode[4] = {
+static struct mode_s mode[5] = {
        {   0x74, 80, 25, 79, 24, &(fmodes[0])  },
        {   0x6c, 40, 25, 39, 24, &(fmodes[1])  },
        {   0x70, 64, 25, 63, 24, &(fmodes[2])  },
        {   0x68, 32, 25, 31, 24, &(fmodes[3])  },
+       {   0x08, 40, 21, 39, 20, &(fmodes[4])  },
 };
 
 
@@ -441,12 +453,12 @@ int gfx_ioctl(uint8_t minor, uarg_t arg, char *ptr)
                return uput( ptytab[minor-1].fdisp, ptr, sizeof( struct display));
        if (arg == GFXIOC_GETMODE){
                uint8_t m=ugetc(ptr);
-               if( m > 3 ) goto inval;
+               if( m > 4 ) goto inval;
                return uput( &fmodes[m], ptr, sizeof( struct display));
        }
        if (arg == GFXIOC_SETMODE){
                uint8_t m=ugetc(ptr);
-               if( m > 3 ) goto inval;
+               if( m > 4 ) goto inval;
                memcpy( &(ptytab[minor-1].gime), &(mode[m]), sizeof( struct mode_s ) );
                if( minor == curminor ) apply_gime( minor );
                return 0;