mirror of https://git.sr.ht/~rabbits/uxn
53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
#include <stdio.h>
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/*
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Copyright (c) 2021 Devine Lu Linvega
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Permission to use, copy, modify, and distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE.
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*/
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typedef unsigned char Uint8;
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typedef signed char Sint8;
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typedef unsigned short Uint16;
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typedef signed short Sint16;
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#define FLAG_HALT 0x01
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#define FLAG_SHORT 0x02
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#define FLAG_SIGN 0x04
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#define FLAG_COND 0x08
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typedef struct {
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Uint8 ptr;
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Uint8 dat[256];
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} Stack;
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typedef struct {
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Uint16 ptr;
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Uint8 dat[65536];
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} Memory;
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typedef struct Device {
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Uint16 addr;
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Uint8 (*poke)(Uint8 *, Uint16, Uint8, Uint8);
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} Device;
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typedef struct {
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Uint8 literal, status, devices;
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Uint16 counter, vreset, vframe, verror;
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Stack wst, rst;
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Memory ram;
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Device dev[16];
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} Uxn;
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void setflag(Uint8 *status, char flag, int b);
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int getflag(Uint8 *status, char flag);
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int loaduxn(Uxn *c, char *filepath);
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int bootuxn(Uxn *c);
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int evaluxn(Uxn *u, Uint16 vec);
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Device *portuxn(Uxn *u, char *name, Uint8 (*pofn)(Uint8 *, Uint16, Uint8, Uint8));
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