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-rw-r--r--src/mame/video/toobin.c270
1 files changed, 270 insertions, 0 deletions
diff --git a/src/mame/video/toobin.c b/src/mame/video/toobin.c
new file mode 100644
index 00000000000..78a16f4646c
--- /dev/null
+++ b/src/mame/video/toobin.c
@@ -0,0 +1,270 @@
+/***************************************************************************
+
+ Atari Toobin' hardware
+
+****************************************************************************/
+
+#include "driver.h"
+#include "machine/atarigen.h"
+#include "toobin.h"
+
+
+
+/*************************************
+ *
+ * Globals we own
+ *
+ *************************************/
+
+static double brightness;
+
+
+
+/*************************************
+ *
+ * Tilemap callbacks
+ *
+ *************************************/
+
+static TILE_GET_INFO( get_alpha_tile_info )
+{
+ UINT16 data = atarigen_alpha[tile_index];
+ int code = data & 0x3ff;
+ int color = (data >> 12) & 0x0f;
+ SET_TILE_INFO(2, code, color, (data >> 10) & 1);
+}
+
+
+static TILE_GET_INFO( get_playfield_tile_info )
+{
+ UINT16 data1 = atarigen_playfield[tile_index * 2];
+ UINT16 data2 = atarigen_playfield[tile_index * 2 + 1];
+ int code = data2 & 0x3fff;
+ int color = data1 & 0x0f;
+ SET_TILE_INFO(0, code, color, TILE_FLIPYX(data2 >> 14));
+ tileinfo->category = (data1 >> 4) & 3;
+}
+
+
+
+/*************************************
+ *
+ * Video system start
+ *
+ *************************************/
+
+VIDEO_START( toobin )
+{
+ static const struct atarimo_desc modesc =
+ {
+ 1, /* index to which gfx system */
+ 1, /* number of motion object banks */
+ 1, /* are the entries linked? */
+ 0, /* are the entries split? */
+ 0, /* render in reverse order? */
+ 1, /* render in swapped X/Y order? */
+ 0, /* does the neighbor bit affect the next object? */
+ 1024, /* pixels per SLIP entry (0 for no-slip) */
+ 0, /* pixel offset for SLIPs */
+ 0, /* maximum number of links to visit/scanline (0=all) */
+
+ 0x100, /* base palette entry */
+ 0x100, /* maximum number of colors */
+ 0, /* transparent pen index */
+
+ {{ 0,0,0x00ff,0 }}, /* mask for the link */
+ {{ 0 }}, /* mask for the graphics bank */
+ {{ 0,0x3fff,0,0 }}, /* mask for the code index */
+ {{ 0 }}, /* mask for the upper code index */
+ {{ 0,0,0,0x000f }}, /* mask for the color */
+ {{ 0,0,0,0xffc0 }}, /* mask for the X position */
+ {{ 0x7fc0,0,0,0 }}, /* mask for the Y position */
+ {{ 0x0007,0,0,0 }}, /* mask for the width, in tiles*/
+ {{ 0x0038,0,0,0 }}, /* mask for the height, in tiles */
+ {{ 0,0x4000,0,0 }}, /* mask for the horizontal flip */
+ {{ 0,0x8000,0,0 }}, /* mask for the vertical flip */
+ {{ 0 }}, /* mask for the priority */
+ {{ 0 }}, /* mask for the neighbor */
+ {{ 0x8000,0,0,0 }}, /* mask for absolute coordinates */
+
+ {{ 0 }}, /* mask for the special value */
+ 0, /* resulting value to indicate "special" */
+ 0 /* callback routine for special entries */
+ };
+
+ /* initialize the playfield */
+ atarigen_playfield_tilemap = tilemap_create(get_playfield_tile_info, tilemap_scan_rows, TILEMAP_TYPE_PEN, 8,8, 128,64);
+
+ /* initialize the motion objects */
+ atarimo_init(machine, 0, &modesc);
+
+ /* initialize the alphanumerics */
+ atarigen_alpha_tilemap = tilemap_create(get_alpha_tile_info, tilemap_scan_rows, TILEMAP_TYPE_PEN, 8,8, 64,48);
+ tilemap_set_transparent_pen(atarigen_alpha_tilemap, 0);
+}
+
+
+
+/*************************************
+ *
+ * Palette RAM write handler
+ *
+ *************************************/
+
+WRITE16_HANDLER( toobin_paletteram_w )
+{
+ int newword;
+
+ COMBINE_DATA(&paletteram16[offset]);
+ newword = paletteram16[offset];
+
+ {
+ int red = (((newword >> 10) & 31) * 224) >> 5;
+ int green = (((newword >> 5) & 31) * 224) >> 5;
+ int blue = (((newword ) & 31) * 224) >> 5;
+
+ if (red) red += 38;
+ if (green) green += 38;
+ if (blue) blue += 38;
+
+ palette_set_color(Machine, offset & 0x3ff, MAKE_RGB(red, green, blue));
+ if (!(newword & 0x8000))
+ palette_set_brightness(Machine, offset & 0x3ff, brightness);
+ else
+ palette_set_brightness(Machine, offset & 0x3ff, 1.0);
+ }
+}
+
+
+WRITE16_HANDLER( toobin_intensity_w )
+{
+ int i;
+
+ if (ACCESSING_LSB)
+ {
+ brightness = (double)(~data & 0x1f) / 31.0;
+
+ for (i = 0; i < 0x400; i++)
+ if (!(paletteram16[i] & 0x8000))
+ palette_set_brightness(Machine, i, brightness);
+ }
+}
+
+
+
+/*************************************
+ *
+ * X/Y scroll handlers
+ *
+ *************************************/
+
+WRITE16_HANDLER( toobin_xscroll_w )
+{
+ UINT16 oldscroll = *atarigen_xscroll;
+ UINT16 newscroll = oldscroll;
+ COMBINE_DATA(&newscroll);
+
+ /* if anything has changed, force a partial update */
+ if (newscroll != oldscroll)
+ video_screen_update_partial(0, video_screen_get_vpos(0));
+
+ /* update the playfield scrolling - hscroll is clocked on the following scanline */
+ tilemap_set_scrollx(atarigen_playfield_tilemap, 0, newscroll >> 6);
+ atarimo_set_xscroll(0, newscroll >> 6);
+
+ /* update the data */
+ *atarigen_xscroll = newscroll;
+}
+
+
+WRITE16_HANDLER( toobin_yscroll_w )
+{
+ UINT16 oldscroll = *atarigen_yscroll;
+ UINT16 newscroll = oldscroll;
+ COMBINE_DATA(&newscroll);
+
+ /* if anything has changed, force a partial update */
+ if (newscroll != oldscroll)
+ video_screen_update_partial(0, video_screen_get_vpos(0));
+
+ /* if bit 4 is zero, the scroll value is clocked in right away */
+ tilemap_set_scrolly(atarigen_playfield_tilemap, 0, newscroll >> 6);
+ atarimo_set_yscroll(0, (newscroll >> 6) & 0x1ff);
+
+ /* update the data */
+ *atarigen_yscroll = newscroll;
+}
+
+
+
+/*************************************
+ *
+ * X/Y scroll handlers
+ *
+ *************************************/
+
+WRITE16_HANDLER( toobin_slip_w )
+{
+ int oldslip = atarimo_0_slipram[offset];
+ int newslip = oldslip;
+ COMBINE_DATA(&newslip);
+
+ /* if the SLIP is changing, force a partial update first */
+ if (oldslip != newslip)
+ video_screen_update_partial(0, video_screen_get_vpos(0));
+
+ /* update the data */
+ atarimo_0_slipram_w(offset, data, mem_mask);
+}
+
+
+
+/*************************************
+ *
+ * Main refresh
+ *
+ *************************************/
+
+VIDEO_UPDATE( toobin )
+{
+ struct atarimo_rect_list rectlist;
+ mame_bitmap *mobitmap;
+ int x, y, r;
+
+ /* draw the playfield */
+ fillbitmap(priority_bitmap, 0, cliprect);
+ tilemap_draw(bitmap, cliprect, atarigen_playfield_tilemap, 0, 0);
+ tilemap_draw(bitmap, cliprect, atarigen_playfield_tilemap, 1, 1);
+ tilemap_draw(bitmap, cliprect, atarigen_playfield_tilemap, 2, 2);
+ tilemap_draw(bitmap, cliprect, atarigen_playfield_tilemap, 3, 3);
+
+ /* draw and merge the MO */
+ mobitmap = atarimo_render(machine, 0, cliprect, &rectlist);
+ for (r = 0; r < rectlist.numrects; r++, rectlist.rect++)
+ for (y = rectlist.rect->min_y; y <= rectlist.rect->max_y; y++)
+ {
+ UINT16 *mo = (UINT16 *)mobitmap->base + mobitmap->rowpixels * y;
+ UINT16 *pf = (UINT16 *)bitmap->base + bitmap->rowpixels * y;
+ UINT8 *pri = (UINT8 *)priority_bitmap->base + priority_bitmap->rowpixels * y;
+ for (x = rectlist.rect->min_x; x <= rectlist.rect->max_x; x++)
+ if (mo[x])
+ {
+ /* not verified: logic is all controlled in a PAL
+
+ factors: LBPRI1-0, LBPIX3, ANPIX1-0, PFPIX3, PFPRI1-0,
+ (~LBPIX3 & ~LBPIX2 & ~LBPIX1 & ~LBPIX0)
+ */
+
+ /* only draw if not high priority PF */
+ if (!pri[x] || !(pf[x] & 8))
+ pf[x] = mo[x];
+
+ /* erase behind ourselves */
+ mo[x] = 0;
+ }
+ }
+
+ /* add the alpha on top */
+ tilemap_draw(bitmap, cliprect, atarigen_alpha_tilemap, 0, 0);
+ return 0;
+}