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FM Towns: Free Software Collection 8
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FM Towns Free Software Collection 8.iso
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artemis
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artsrc2
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grpplt.c
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C/C++ Source or Header
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1994-06-01
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766b
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36 lines
/*
grpplt.c
*/
#include <stdio.h>
#include <egb.h>
#include <ryosuke.h>
#include <usrlib.h>
extern char *EGB_work;
void grp_setplt(int plt, int rgb /* bit23-16:赤 bit15-8:緑 bit7-0:青 */)
{
char para[12];
DWORD(para + 0) = 1;
DWORD(para + 4) = plt;
BYTE(para + 8) = ( rgb & 0xff );
BYTE(para + 9) = ( (rgb >> 8) & 0xff );
BYTE(para + 10) = ( (rgb >> 16) & 0xff );
BYTE(para + 11) = 0;
EGB_palette( EGB_work, 0, para );
}
int grp_getplt(int plt) /* ret: bit23-16:赤 bit15-8:緑 bit7-0:青 */
{
char pltdat[4+8*256], *p;
int ret;
EGB_getPalette( grp_getWrtpage(), pltdat );
p = pltdat + 4 + 8 * plt + 4;
ret = *p | ((int)*(p+1) << 16) | ((int)*(p+2) << 8);
return ret;
}
/* end of grpplt.c */