uxn/cpu.h

#include <stdio.h>

/*
Copyright (c) 2021 Devine Lu Linvega

Permission to use, copy, modify, and distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE.
*/

typedef unsigned char Uint8;
typedef unsigned short Uint16;

typedef struct {
	Uint8 ptr;
	Uint8 dat[256];
} Stack8;

typedef struct {
	Uint8 ptr;
	Uint16 dat[256];
} Stack16;

typedef struct {
	Uint16 ptr;
	Uint8 dat[65536];
} Memory;

typedef struct {
	Uint8 literal, status;
	Uint16 counter, vreset, vframe, verror;
	Stack8 wst;
	Stack16 rst;
	Memory ram;
} Cpu;

int error(Cpu *c, char *name, int id);
int load(Cpu *c, FILE *f);
int boot(Cpu *c);
void echof(Cpu *c);
void echom(Memory *m, Uint8 len, char *name);
void echos(Stack8 *s, Uint8 len, char *name);