Olivetti M19 internal video now supports RGB type selection.

src/machine/m_xt_olivetti.c

@@ -529,6 +529,8 @@ m19_vid_speed_changed(void *priv)
 static void
 m19_vid_init(m19_vid_t *vid)
 {
+    device_context(&vid_pc2086_device);
+
     /* int display_type; */
     vid->mode = OLIVETTI_OGC_MODE;
 
@@ -540,23 +542,23 @@ m19_vid_init(m19_vid_t *vid)
     loadfont_ex("roms/machines/m19/BIOS.BIN", 1, 90);
     /* composite is not working yet */
     vid->ogc.cga.composite = 0; // (display_type != CGA_RGB);
-    /* vid->ogc.cga.snow_enabled = device_get_config_int("snow_enabled"); */
+    vid->ogc.cga.revision = device_get_config_int("composite_type");
+    vid->ogc.cga.snow_enabled = device_get_config_int("snow_enabled");
 
     vid->ogc.cga.vram = malloc(0x8000);
 
     /* cga_comp_init(vid->ogc.cga.revision); */
 
-    /* vid->ogc.cga.rgb_type = device_get_config_int("rgb_type"); */
+    vid->ogc.cga.rgb_type = device_get_config_int("rgb_type");
-    /* cga_palette = (vid->ogc.cga.rgb_type << 1); */
+    cga_palette = (vid->ogc.cga.rgb_type << 1);
-    cga_palette = 0;
     cgapal_rebuild();
     ogc_mdaattr_rebuild();
 
     /* color display */
-    /* if (device_get_config_int("rgb_type")==0 || device_get_config_int("rgb_type") == 4)  */
+    if (device_get_config_int("rgb_type")==0 || device_get_config_int("rgb_type") == 4)
+	vid->ogc.mono_display = 0;
+    else
 	vid->ogc.mono_display = 1;
-    /* else */
-    /* 	vid->ogc.mono_display = 1;     */
     /* OGC emulation part end */
 
     /* Plantronics emulation part begin*/
@@ -576,6 +578,8 @@ m19_vid_init(m19_vid_t *vid)
     io_sethandler(0x03d0, 0x0010, m19_vid_in, NULL, NULL, m19_vid_out, NULL, NULL, vid);
 
     vid->mode = OLIVETTI_OGC_MODE;
+
+    device_context_restore();
 }
 
 
@@ -589,6 +593,37 @@ const device_t m24_kbd_device = {
     { NULL }, NULL, NULL
 };
 
+const device_config_t m19_vid_config[] =
+{
+        {
+                /* Olivetti / ATT compatible displays */
+				"rgb_type", "RGB type", CONFIG_SELECTION, "", CGA_RGB, "", { 0 },
+                {
+                        {
+                                "Color", 0
+                        },
+                        {
+                                "Green Monochrome", 1
+                        },
+                        {
+                                "Amber Monochrome", 2
+                        },
+                        {
+                                "Gray Monochrome", 3
+                        },
+                        {
+                                ""
+                        }
+                }
+        },
+        {
+                "snow_enabled", "Snow emulation", CONFIG_BINARY, "", 1,
+        },
+        {
+                "", "", -1
+        }
+};
+
 const device_t m19_vid_device = {
     "Olivetti M19 graphics card",
     0, 0,
@@ -596,7 +631,7 @@ const device_t m19_vid_device = {
     { NULL },
     m19_vid_speed_changed,
     NULL,
-    NULL
+    m219_vid_config
 };
 
 const device_t *