2021-02-08 15:17:50 -05:00
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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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2023-01-01 16:19:40 -05:00
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/* clang-format off */
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2023-01-01 14:31:14 -05:00
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2023-08-17 12:25:24 -04:00
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#define PEEK2(d) (*(d) << 8 | (d)[1])
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2023-08-25 12:38:03 -04:00
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#define POKE2(d, v) { *(d) = (v) >> 8; (d)[1] = (v); }
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2023-03-01 13:35:42 -05:00
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2022-01-03 16:23:57 -05:00
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/* clang-format on */
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2023-08-08 18:31:48 -04:00
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#define PAGE_PROGRAM 0x0100
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2023-03-01 13:35:42 -05:00
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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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2021-02-08 15:16:39 -05:00
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typedef struct {
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2023-08-17 12:25:24 -04:00
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Uint8 dat[0x100], ptr;
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2021-02-15 13:12:44 -05:00
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} Stack;
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2021-02-08 15:16:39 -05:00
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2021-03-22 17:22:06 -04:00
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typedef struct Uxn {
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2023-10-10 09:39:47 -04:00
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Uint8 *ram, *dev;
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2023-04-11 13:14:29 -04:00
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Stack wst, rst;
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2021-02-08 17:18:01 -05:00
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} Uxn;
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2021-02-08 15:16:39 -05:00
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2023-03-05 13:44:23 -05:00
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/* required functions */
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2023-01-01 15:04:54 -05:00
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2023-07-23 22:18:11 -04:00
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extern Uint8 emu_dei(Uxn *u, Uint8 addr);
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2023-10-30 17:14:02 -04:00
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extern void emu_deo(Uxn *u, Uint8 addr, Uint8 value);
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2023-03-05 13:44:23 -05:00
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/* built-ins */
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int uxn_eval(Uxn *u, Uint16 pc);
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