switched to vidsys (not working yet)

[retroray] / src / dos / vga.c

diff --git a/src/dos/vga.c b/src/dos/vga.c
deleted file mode 100644 (file)
index f2f8142..0000000
--- a/src/dos/vga.c
+++ /dev/null
@@ -1,71 +0,0 @@
-#include <string.h>
-#include "vga.h"
-#include "vgaregs.h"
-#include "cdpmi.h"
-#include "dosutil.h"
-
-static void crtc_write(int reg, unsigned char val);
-static unsigned char crtc_read(int reg);
-
-int vga_setmode(int mode)
-{
-       struct dpmi_regs regs = {0};
-
-       regs.eax = mode;        /* func 00 | mode */
-       dpmi_int(0x10, &regs);
-       return 0;
-}
-
-static unsigned short crtc_modex_regs[] = {
-       0x0d06, /* vertical total */
-       0x3e07, /* vcount overflow bit */
-       0x4109, /* double-scan */
-       0xea10, /* vsync start */
-       0xac11, /* vsync end & protect */
-       0xdf12, /* vertical visible */
-       0x0014, /* no dword mode */
-       0xe715, /* vblank start */
-       0x0616, /* vblank end */
-       0xe317, /* byte mode */
-       0
-};
-
-int vga_setmodex(void)
-{
-       int i;
-       unsigned char val;
-
-       vga_setmode(0x13);
-
-       /* disable chain-4 (C4=0, O/E=1 (sequential), EM=1 (extmem), A/G=0 (gfx) */
-       outpw(VGA_SC_ADDR_PORT, VGA_SC_MEMMODE_REG | 0x0600);
-       /* pull reset low */
-       outpw(VGA_SC_ADDR_PORT, VGA_SC_RESET_REG | 0x0100);
-       /* 25mhz dot clock, 60hz scan */
-       outp(VGA_MISC_PORT, VGA_MISC_480 | VGA_MISC_PG1 | VGA_MISC_CLK25 |
-                       VGA_MISC_CPUEN | VGA_MISC_COLOR);
-       /* return reset high */
-       outpw(VGA_SC_ADDR_PORT, VGA_SC_RESET_REG | 0x0300);
-
-       /* disable CRTC write-protect */
-       crtc_write(CRTC_VRETEND_REG, crtc_read(CRTC_VRETEND_REG) & ~CRTC_VRETEND_PR);
-       /* change CRTC registers */
-       for(i=0; crtc_modex_regs[i]; i++) {
-               outpw(VGA_CRTC_PORT, crtc_modex_regs[i]);
-       }
-
-       vga_planemask(0xf);
-       memset(VGA_FBADDR, 3, 320 * 240 / 4);
-       return 0;
-}
-
-static void crtc_write(int reg, unsigned char val)
-{
-       outpw(VGA_CRTC_ADDR_PORT, reg | ((unsigned int)val << 8));
-}
-
-static unsigned char crtc_read(int reg)
-{
-       outp(VGA_CRTC_ADDR_PORT, reg);
-       return inp(VGA_CRTC_DATA_PORT);
-}