mirror of
https://github.com/cc65/cc65.git
synced 2024-12-24 11:31:31 +00:00
48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
/*
|
|
** 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);
|
|
}
|