// W65816 setjmp/longjmp — saves SP, return address (24-bit), and DP.
// jmp_buf is 8 bytes of opaque storage.
#ifndef _SETJMP_H
#define _SETJMP_H

typedef unsigned char jmp_buf[8];

int  setjmp(jmp_buf env);
void longjmp(jmp_buf env, int val) __attribute__((noreturn));

#endif