mirror of
https://git.sr.ht/~rabbits/uxn
synced 2024-11-26 15:53:01 +00:00
51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
#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;
|
|
|
|
#define FLAG_HALT 0x01
|
|
#define FLAG_SHORT 0x02
|
|
#define FLAG_SIGN 0x04
|
|
#define FLAG_COND 0x08
|
|
|
|
typedef struct {
|
|
Uint8 ptr;
|
|
Uint8 dat[256];
|
|
} St8;
|
|
|
|
typedef struct {
|
|
Uint16 ptr;
|
|
Uint8 dat[65536];
|
|
} Memory;
|
|
|
|
typedef struct Device {
|
|
Uint8 len, mem[8];
|
|
Uint8 (*read)(struct Device *, Uint8);
|
|
Uint8 (*write)(struct Device *, Uint8);
|
|
} Device;
|
|
|
|
typedef struct {
|
|
Uint8 literal, status, devices;
|
|
Uint16 counter, devr, devw, vreset, vframe, verror;
|
|
St8 wst, rst;
|
|
Memory ram;
|
|
Device dev[256];
|
|
} Uxn;
|
|
|
|
void setflag(Uint8 *status, char flag, int b);
|
|
int getflag(Uint8 *status, char flag);
|
|
int loaduxn(Uxn *c, char *filepath);
|
|
int bootuxn(Uxn *c);
|
|
int evaluxn(Uxn *u, Uint16 vec);
|
|
Device *portuxn(Uxn *u, char *name, Uint8 (*rfn)(Device *, Uint8), Uint8 (*wfn)(Device *, Uint8));
|