printf("VGA probe failed\n");
return 1;
}
-// int10_setmode(19);
-// update_state_from_vga();
-// vga_enable_256color_modex(); // VGA mode X
-// gvar.video.page[0].width = 320; // VGA lib currently does not update this
-// gvar.video.page[0].height = 240; // VGA lib currently does not update this
-//
-// //#if 1 // 320x240 test mode: this is how Project 16 is using our code, enable for test case
-// {
-// struct vga_mode_params cm;
-//
-// vga_read_crtc_mode(&cm);
-//
-// // 320x240 mode 60Hz
-// cm.vertical_total = 525;
-// cm.vertical_start_retrace = 0x1EA;
-// cm.vertical_end_retrace = 0x1EC;
-// cm.vertical_display_end = 480;
-// cm.vertical_blank_start = 489;
-// cm.vertical_blank_end = 517;
-//
-// vga_write_crtc_mode(&cm,0);
-// }
-// gvar.video.page[0].height = 240; // VGA lib currently does not update this
-//#endif
VGAmodeX(1, 1, &gvar);
/* load color palette */
modexHiganbanaPageSetup(&gvar.video);
gvar.video.page[1].dx=gvar.video.page[0].dx=16;
gvar.video.page[1].dy=gvar.video.page[0].dy=16;
- modexShowPage(&(gvar.video.page[1]));
+ modexShowPage(&(gvar.video.page[0]));
+
+ #define VMEMHEIGHT gvar.video.page[0].height+gvar.video.page[1].height
//4 this dose the screen
{
unsigned int i,j,o;
-
/* fill screen with a distinctive pattern */
for (i=0;i < gvar.video.page[0].width;i++) {
o = i >> 2;
vga_write_sequencer(0x02/*map mask*/,1 << (i&3));
- for (j=0;j < gvar.video.page[0].height;j++,o += gvar.video.page[0].stridew)
+ for (j=0;j < VMEMHEIGHT;j++,o += gvar.video.page[0].stridew)
vga_state.vga_graphics_ram[o] = (i^j)&15; // VRL samples put all colors in first 15!
}
}
- //draw_vrl1_vgax_modex(0/*x-rx*/,0/*y-ry*/,vrl_header,vrl_lineoffs,buffer+sizeof(*vrl_header),bufsz-sizeof(*vrl_header));
+ //while (getch() != 13);
/* make distinctive pattern offscreen, render sprite, copy onscreen.
* this time, we render the distinctive pattern to another offscreen location and just copy.
* note this version is much faster too! */
{
- //const unsigned int gvar.video.page[0].pagesize = (gvar.video.page[0].stridew * gvar.video.page[0].height);
- const unsigned int pattern_ofs = 0x10000UL - gvar.video.page[0].pagesize;//(gvar.video.page[0].stridew * gvar.video.page[0].height);
+ //const unsigned int pattern_ofs = 0x10000UL - gvar.video.page[0].pagesize;//(gvar.video.page[0].stridew * gvar.video.page[0].height);
unsigned int i,j,o,o2;
int x,y,rx,ry,w,h;
unsigned int overdraw = 1; // how many pixels to "overdraw" so that moving sprites with edge pixels don't leave streaks.
//4 this dose the sprite? wwww
/* fill pattern offset with a distinctive pattern */
for (i=0;i < gvar.video.page[0].width;i++) {
- o = (i >> 2) + pattern_ofs;
+ o = (i >> 2) + (0x10000UL - (uint16_t)gvar.video.page[1].data);
vga_write_sequencer(0x02/*map mask*/,1 << (i&3));
- for (j=0;j < gvar.video.page[0].height;j++,o += gvar.video.page[0].stridew)
+ for (j=0;j < VMEMHEIGHT;j++,o += gvar.video.page[0].stridew)
vga_state.vga_graphics_ram[o] = (i^j)&15; // VRL samples put all colors in first 15!
}
h = vrl_header->height + overdraw + y - ry;
w = (x + vrl_header->width + (overdraw*2) + 3/*round up*/ - rx) & (~3);
if ((rx+w) > gvar.video.page[0].width) w = gvar.video.page[0].width-rx;
- if ((ry+h) > gvar.video.page[0].height) h = gvar.video.page[0].height-ry;
+ if ((ry+h) > gvar.video.page[0].height) h = (gvar.video.page[0].height)-ry;
/* block copy pattern to where we will draw the sprite */
vga_setup_wm1_block_copy();
o2 = gvar.video.page[0].pagesize;
- o = pattern_ofs + (ry * gvar.video.page[0].stridew) + (rx >> 2); // source offscreen
+ o = (0x10000UL - (uint16_t)gvar.video.page[1].data) + (ry * gvar.video.page[0].stridew) + (rx >> 2); // source offscreen
for (i=0;i < h;i++,o += gvar.video.page[0].stridew,o2 += (w >> 2)) vga_wm1_mem_block_copy(o2,o,w >> 2);
/* must restore Write Mode 0/Read Mode 0 for this code to continue drawing normally */
vga_restore_rm0wm0();
/* step */
x += xdir;
y += ydir;
- if (x >= (gvar.video.page[0].width - 1) || x == 0)
+ if (x >= (gvar.video.page[0].width - 1) || x == -(gvar.video.page[0].dx))
xdir = -xdir;
- if (y >= (gvar.video.page[0].height - 1) || y == 0)
+ if (y >= (gvar.video.page[0].height - 1) || y == -(gvar.video.page[0].dy))
ydir = -ydir;
}
}
if (dh < 40) dh_step = 1;
}
}
-
+//uint16_t
+ printf("%u\n", (0x10000UL - (uint16_t)(gvar.video.page[1].data)));
VGAmodeX(0, 1, &gvar);
free(vrl_lineoffs);
buffer = NULL;