mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-11-19 12:32:35 +00:00
62 lines
737 B
C
62 lines
737 B
C
#include "gr-sim.h"
|
|
#include "tfv_zp.h"
|
|
#include "6502_emulate.h"
|
|
|
|
void clear_screens(void) {
|
|
ram[DRAW_PAGE]=0;
|
|
clear_top();
|
|
clear_bottom();
|
|
|
|
ram[DRAW_PAGE]=4;
|
|
clear_top();
|
|
clear_bottom();
|
|
}
|
|
|
|
void clear_top_a(int color) {
|
|
|
|
int i,j,max,offset;
|
|
|
|
ram[COLOR]=color;
|
|
|
|
|
|
offset=0x400+(ram[DRAW_PAGE]<<8);
|
|
|
|
for(i=0;i<8;i++) {
|
|
|
|
if (i<4) max=120; else max=80;
|
|
|
|
for(j=0;j<max;j++) {
|
|
ram[offset+i*0x80+j]=ram[COLOR];
|
|
}
|
|
}
|
|
}
|
|
|
|
void clear_top(void) {
|
|
clear_top_a(0);
|
|
}
|
|
|
|
void clear_bottom(void) {
|
|
|
|
int i,j,max,offset;
|
|
|
|
offset=0x400+(ram[DRAW_PAGE]<<8);
|
|
|
|
for(i=4;i<8;i++) {
|
|
|
|
max=120;
|
|
|
|
for(j=80;j<max;j++) {
|
|
ram[offset+i*0x80+j]=0xa0; // plain space
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
void clear_screens_notext(void) {
|
|
|
|
}
|
|
|
|
void clear_all(void) {
|
|
|
|
}
|