1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
/*
* memory.h
*
* Copyright (C) 1999 Jonathan St-André
* Copyright (C) 1999 Hugo Villeneuve <hugo@hugovil.com>
*
* This file is released under the GPLv2
*/
#ifndef MEMORY_H
#define MEMORY_H 1
#include <stdint.h>
#define PGM_MEM_MAX_SIZE 65536
/*
* Direct addressing $00 to $7F = IRAM (8051)
* Direct addressing $80 to $FF = SFR (8051)
* Indirect addressing $80 to $FF = IRAM (8052)
*/
#define INT_MEM_MAX_SIZE 256
#define EXT_MEM_MAX_SIZE 65536
#define PGM_MEM_DEFAULT_SIZE PGM_MEM_MAX_SIZE
#define EXT_MEM_DEFAULT_SIZE 256
enum mem_id_t {
PGM_MEM_ID,
INT_MEM_ID,
EXT_MEM_ID,
MEM_ID_COUNT
};
#define DISPLAY_ERROR_NO 0
#define DISPLAY_ERROR_YES 1
void
mem_init(void);
int
mem_check_address(enum mem_id_t id, unsigned long address, int display_error);
void
mem_convert_bit_address(uint8_t bit_address, uint8_t *byte_address,
uint8_t *bit_number);
uint8_t *
mem_getbuf(enum mem_id_t id, unsigned long address);
void
mem_clear(enum mem_id_t id);
void
mem_write8(enum mem_id_t id, unsigned long address, uint8_t value);
void
mem_write_direct(unsigned int address, unsigned char value);
void
mem_write_indirect(unsigned int address, unsigned char value);
void
mem_write_bit(uint8_t bit_address, uint8_t value);
void
mem_sfr_write8(unsigned long address, uint8_t value);
void
mem_sfr_write_dptr(uint16_t value);
uint8_t
mem_read8(enum mem_id_t id, unsigned long address);
unsigned char
mem_read_direct(unsigned int address);
unsigned char
mem_read_indirect(unsigned int address);
unsigned char
mem_read_bit(uint8_t bit_address);
uint8_t
mem_sfr_read8(unsigned long address);
uint16_t
mem_sfr_read_dptr(void);
void
stack_push8(uint8_t value);
void
stack_push16(uint16_t value);
uint8_t
stack_pop8(void);
uint16_t
stack_pop16(void);
uint16_t
pgm_read_addr16(uint16_t base);
void
mem_dump(unsigned int address, int size, enum mem_id_t id);
#endif /* MEMORY_H */
|
