51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
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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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typedef unsigned int Uint32;
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#define PAGE_PROGRAM 0x0100
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typedef struct {
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Uint8 ptr, kptr, error;
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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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struct Uxn *u;
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Uint8 addr, dat[16], *mem;
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Uint16 vector;
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Uint8 (*dei)(struct Device *d, Uint8);
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void (*deo)(struct Device *d, Uint8);
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} Device;
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typedef struct Uxn {
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Stack wst, rst, *src, *dst;
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Memory ram;
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Device dev[16];
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} Uxn;
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void poke16(Uint8 *m, Uint16 a, Uint16 b);
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Uint16 peek16(Uint8 *m, Uint16 a);
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int uxn_boot(Uxn *c);
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int uxn_eval(Uxn *u, Uint16 vec);
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int uxn_halt(Uxn *u, Uint8 error, char *name, int id);
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Device *uxn_port(Uxn *u, Uint8 id, Uint8 (*deifn)(Device *, Uint8), void (*deofn)(Device *, Uint8));
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