1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
/*
** show some memory stuff
**
** 04-Aug-2004, Christian Groessler
*/
#include <stdio.h>
#include <stdlib.h>
#include <conio.h>
#include <atari.h>
#include <cc65.h>
extern int getsp(void); /* comes from ../getsp.s */
unsigned char data = 0x12; /* data variable */
unsigned int *APPMHI = (unsigned int *)14; /* 14,15 */
unsigned char *RAMTOP = (unsigned char *)106; /* in pages */
unsigned int *LOMEM = (unsigned int *)128; /* used by BASIC */
unsigned int *MEMTOP = (unsigned int *)741;
unsigned int *MEMLO = (unsigned int *)743;
void *allocmem;
int main(void)
{
allocmem = malloc(257);
clrscr();
printf(" RAMTOP = %02X (%u) - $%04X (%u)\n",
*RAMTOP, *RAMTOP, *RAMTOP * 256, *RAMTOP * 256);
printf(" APPMHI = $%04X (%u)\n", *APPMHI, *APPMHI);
printf(" LOMEM = $%04X (%u) <BASIC only>\n", *LOMEM, *LOMEM);
printf(" MEMTOP = $%04X (%u)\n", *MEMTOP, *MEMTOP);
printf(" MEMLO = $%04X (%u)\n", *MEMLO, *MEMLO);
printf(" ----------------------\n");
printf(" main: $%04X (code)\n", &main);
printf(" data: $%04X (data)\n", &data);
printf(" _dos_type: $%04X (bss)\n", &_dos_type);
printf(" allocmem: $%04X (dyn. data)\n", allocmem);
printf(" sp: $%04X (stack ptr)\n", getsp());
if (allocmem) free(allocmem);
if (doesclrscrafterexit()) cgetc();
return(0);
}
|
