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return to 555, it is more native for this game and SDL supports it

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Ondřej Novák 2025-02-02 15:31:17 +01:00
parent f8a1501289
commit e717badc45
12 changed files with 67 additions and 76 deletions
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13
libs/bgraph2a.c
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@ -120,6 +120,10 @@ void line_32(int x,int y,int xs,int ys)
}
}
static inline word avg_pixels(word a, word b) {
return ((a & 0x7BDE)+(b & 0x7BDE)) >> 1;
}
void char_32(word *posit,const word *font,char znak)
//#pragma aux char_32 parm [edi] [esi] [eax] modify [eax ebx ecx edx]
@ -149,7 +153,7 @@ chr5:
ax = charcolors[(al-1)];
if (ax == 0xFFFF) goto chr4;
if (ax & BGSWITCHBIT) {
ax = ((*ebx & 0xF7DF) + (ax & 0xF7DF)) >> 1;
ax = avg_pixels(*ebx ,ax);
}
*ebx = ax;
goto chr4;
@ -339,7 +343,8 @@ void put_picture(word x,word y,const void *p)
for (i=0;i<yss;i++,adr+=scr_linelen2,data+=(xs-xss))
for (j=0;j<xss;j++)
{
adr[j]=((*data & ~0x1f)<<1) | (*data & 0x1f);
// adr[j]=((*data & ~0x1f)<<1) | (*data & 0x1f);
adr[j]=*data;
data++;
}
}
@ -400,7 +405,7 @@ void get_picture(word x,word y,word xs,word ys,void *p)
data[0]=xss;
data[1]=yss;
data[2]=16;
data[2]=15;
data+=3;
{
int i;
@ -644,7 +649,7 @@ ptb_skip2:
}
}
*/
#define MIXTRANSP(a,b) ((((a) & 0xF7DE)+((b) & 0xF7DE))>>1)
#define MIXTRANSP(a,b) ((((a) & 0x7BDE)+((b) & 0x7BDE))>>1)
void trans_bar(int x,int y,int xs,int ys,int barva)
{