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
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
|
/*
casm - Simple, portable assembler
Copyright (C) 2003-2015 Ian Cowburn (ianc@noddybox.demon.co.uk)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
-------------------------------------------------------------------------
Various output type handlers.
*/
#include <stdlib.h>
#include <stdio.h>
#include "global.h"
#include "output.h"
/* ---------------------------------------- GLOBALS
*/
enum option_t
{
OPT_OUTPUTFILE,
OPT_OUTPUTFORMAT
};
static const ValueTable option_set[] =
{
{"output-file", OPT_OUTPUTFILE},
{"output-format", OPT_OUTPUTFORMAT},
{NULL}
};
typedef enum
{
Raw,
SpectrumTap
} Format;
static char output[4096] = "output";
static char error[1024];
static Format format = Raw;
static ValueTable format_table[] =
{
{"raw", Raw},
{"spectrum", SpectrumTap},
{NULL}
};
/* ---------------------------------------- PRIVATE FUNCTIONS
*/
static int OutputRawBinary(const Byte *mem, int min, int max)
{
FILE *fp = fopen(output, "wb");
if (!fp)
{
snprintf(error, sizeof error,"Failed to open %s\n", output);
return FALSE;
}
fwrite(mem + min, 1, max - min + 1, fp);
fclose(fp);
return TRUE;
}
static Byte TapByte(FILE *fp, Byte b, Byte chk)
{
chk ^= b;
putc(b, fp);
return chk;
}
static Byte TapWord(FILE *fp, int w, Byte chk)
{
chk = TapByte(fp, w & 0xff, chk);
chk = TapByte(fp, (w & 0xff00) >> 8, chk);
return chk;
}
static Byte TapString(FILE *fp, const char *p, int len, Byte chk)
{
while(len--)
{
chk = TapByte(fp, *p ? *p++ : ' ', chk);
}
return chk;
}
static int OutputSpectrumTap(const Byte *mem, int min, int max)
{
FILE *fp = fopen(output, "wb");
Byte chk = 0;
int len = max - min + 1;
if (!fp)
{
snprintf(error, sizeof error,"Failed to open %s\n", output);
return FALSE;
}
/* Output header
*/
TapWord(fp, 19, 0);
chk = TapByte(fp, 0, chk);
chk = TapByte(fp, 3, chk);
chk = TapString(fp, output, 10, chk);
chk = TapWord(fp, len, chk);
chk = TapWord(fp, min, chk);
chk = TapWord(fp, 32768, chk);
TapByte(fp, chk, 0);
/* Output file data
*/
TapWord(fp, len + 2, 0);
chk = 0;
chk = TapByte(fp, 0xff, chk);
while(min <= max)
{
chk = TapByte(fp, mem[min], chk);
min++;
}
TapByte(fp, chk, 0);
fclose(fp);
return TRUE;
}
/* ---------------------------------------- INTERFACES
*/
const ValueTable *OutputOptions(void)
{
return option_set;
}
CommandStatus OutputSetOption(int opt, int argc, char *argv[],
int quoted[], char *err, size_t errsize)
{
const ValueTable *val;
CMD_ARGC_CHECK(1);
switch(opt)
{
case OPT_OUTPUTFILE:
CopyStr(output, argv[0], sizeof output);
break;
case OPT_OUTPUTFORMAT:
CMD_TABLE(argv[0], format_table, val);
format = val->value;
break;
default:
break;
}
return CMD_OK;
}
int OutputCode(void)
{
int min = GetMinAddressWritten();
int max = GetMaxAddressWritten();
const Byte *mem = AddressSpace();
if (max == -1)
{
fprintf(stderr, "Skipping output; no written memory to write\n");
return TRUE;
}
switch(format)
{
case Raw:
return OutputRawBinary(mem, min, max);
case SpectrumTap:
return OutputSpectrumTap(mem, min, max);
default:
break;
}
}
const char *OutputError(void)
{
return error;
}
/*
vim: ai sw=4 ts=8 expandtab
*/
|
