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#include <string.h>
#include <intrz80.h>
#include <stdio.h>
char * mylib_font8x8=(void*)0x3c00;
static union {char * w;char b[2];}scrxy;
void scr_init(char a){
*((char *)0x5800)=a;
output8(0xfe,a>>3);
memcpy((void *)0x5801, (void *)0x5800, 32*24-1);
scrxy.w=(void *)0x4000;
*((char *)0x4000)=0;
memcpy((void *)0x4001, (void *)0x4000, (unsigned int)256*192/8-1);
}
switch(ch){
case '\n': scrxy.b[0]+=32;
case '\r': scrxy.b[0]&=0xe0;
break;
default:{
char* s=mylib_font8x8+(ch<<3);
unsigned char i=8;
while(i--){
*scrxy.w=*(s++);
scrxy.b[1]++;
}
}
scrxy.w-=0x07ff;
break;
}
if(!scrxy.b[0]){
if((scrxy.b[1]+=8)==0x58) scrxy.b[1]=0x40;
}
return 1;
}