dos33fsprogs/utils/gr-sim/tfv_utils.c
Vince Weaver b1238af49d re-arranged the entire directory structure
this will probably upset people
2021-01-05 15:29:31 -05:00

107 lines
1.4 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include "tfv_utils.h"
#include "gr-sim.h"
#include "tfv_zp.h"
int repeat_until_keypressed(void) {
int ch;
while(1) {
ch=grsim_input();
if (ch!=0) break;
usleep(10000);
}
return ch;
}
int select_menu(int x, int y, int num, char **items) {
int result=0;
int ch,i;
while(1) {
for(i=0;i<num;i++) {
htab(x);
vtab(y+i);
move_cursor();
if (i==result) {
print_inverse("--> ");
}
else {
print(" ");
}
print(items[i]);
}
page_flip();
ch=repeat_until_keypressed();
if (ch=='\r') break;
if (ch==' ') break;
if (ch==APPLE_RIGHT) result++;
if (ch==APPLE_DOWN) result++;
if (ch==APPLE_LEFT) result--;
if (ch==APPLE_UP) result--;
if (result>=num) result=num-1;
if (result<0) result=0;
}
return result;
}
void apple_memset(unsigned char *ptr, int value, int length) {
a=value;
x=length;
y=0;
while(x>0) {
ptr[y]=a;
y++;
x--;
}
}
void print_u8(unsigned char value) {
char temp[4];
sprintf(temp,"%d",value);
basic_print(temp);
}
void print_byte(unsigned char value) {
char temp[4];
sprintf(temp,"%3d",value);
temp[3]=0;
print(temp);
}
void page_flip(void) {
if (ram[DISP_PAGE]==0) {
soft_switch(HISCR);
ram[DISP_PAGE]=1;
ram[DRAW_PAGE]=0x0;
}
else {
soft_switch(LOWSCR);
ram[DISP_PAGE]=0;
ram[DRAW_PAGE]=0x4;
}
grsim_update();
}