VARCem/PDCurses
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The tests here are redundant, unless someone calls PDC_init_color() or

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PDC_color_content() directly, in which case they deserve what they get.
This commit is contained in:
William McBrine
2006-10-01 18:49:10 +00:00
parent cb36178ecd
commit 799f4e1cd0
1 changed files with 26 additions and 34 deletions
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60
dos/pdcscrn.c
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@@ -24,7 +24,7 @@
# include <sys/movedata.h>
#endif
RCSID("$Id: pdcscrn.c,v 1.58 2006/10/01 01:09:33 wmcbrine Exp $");
RCSID("$Id: pdcscrn.c,v 1.59 2006/10/01 18:49:10 wmcbrine Exp $");
int pdc_adapter; /* screen type */
int pdc_scrnmode; /* default screen mode */
@@ -734,55 +734,47 @@ bool PDC_can_change_color(void)
return (pdc_adapter == _VGACOLOR);
}
/* These are only valid when pdc_adapter == _vGACOLOR */
int PDC_color_content(short color, short *red, short *green, short *blue)
{
if (pdc_adapter == _VGACOLOR)
{
PDCREGS regs;
PDCREGS regs;
/* Read single DAC register */
/* Read single DAC register */
regs.h.ah = 0x10;
regs.h.al = 0x15;
regs.h.bl = egapal(color);
regs.h.ah = 0x10;
regs.h.al = 0x15;
regs.h.bl = egapal(color);
PDCINT(0x10, regs);
PDCINT(0x10, regs);
/* Scale and store */
/* Scale and store */
*red = DIVROUND((unsigned)(regs.h.dh) * 1000, 63);
*green = DIVROUND((unsigned)(regs.h.ch) * 1000, 63);
*blue = DIVROUND((unsigned)(regs.h.cl) * 1000, 63);
*red = DIVROUND((unsigned)(regs.h.dh) * 1000, 63);
*green = DIVROUND((unsigned)(regs.h.ch) * 1000, 63);
*blue = DIVROUND((unsigned)(regs.h.cl) * 1000, 63);
return OK;
}
else
return ERR;
return OK;
}
int PDC_init_color(short color, short red, short green, short blue)
{
if (pdc_adapter == _VGACOLOR)
{
PDCREGS regs;
PDCREGS regs;
/* Scale */
/* Scale */
regs.h.dh = DIVROUND((unsigned)red * 63, 1000);
regs.h.ch = DIVROUND((unsigned)green * 63, 1000);
regs.h.cl = DIVROUND((unsigned)blue * 63, 1000);
regs.h.dh = DIVROUND((unsigned)red * 63, 1000);
regs.h.ch = DIVROUND((unsigned)green * 63, 1000);
regs.h.cl = DIVROUND((unsigned)blue * 63, 1000);
/* Set single DAC register */
/* Set single DAC register */
regs.h.ah = 0x10;
regs.h.al = 0x10;
regs.h.bl = egapal(color);
regs.h.bh = 0;
regs.h.ah = 0x10;
regs.h.al = 0x10;
regs.h.bl = egapal(color);
regs.h.bh = 0;
PDCINT(0x10, regs);
PDCINT(0x10, regs);
return OK;
}
else
return ERR;
return OK;
}