source: buchla-68k/orig/RAM/ETTRNS.C@ cbe2c15

Last change on this file since cbe2c15 was 3ae31e9, checked in by Thomas Lopatic <thomas@…>, 8 years ago

Imported original source code.

  • Property mode set to 100755
File size: 5.6 KB
Line 
1/*
2 =============================================================================
3 ettrns.c -- transposition field handlers
4 Version 20 -- 1988-07-12 -- D.N. Lynx Crowe
5 =============================================================================
6*/
7
8#define DEBUGIT 0
9
10#include "stddefs.h"
11#include "fields.h"
12#include "charset.h"
13#include "hwdefs.h"
14#include "vsdd.h"
15#include "graphdef.h"
16#include "score.h"
17#include "scfns.h"
18
19#include "midas.h"
20#include "scdsp.h"
21
22extern short advscur();
23
24extern unsigned *obj8;
25
26extern short ctrsw, recsw, stccol, stcrow;
27
28extern short s_trns[12]; /* current transposition values */
29
30extern char dspbuf[65];
31
32extern short grpdyn[], grpmode[], grpstat[];
33
34extern struct gdsel *gdstbc[];
35
36/*
37
38*/
39
40/*
41 =============================================================================
42 et_trns() -- load the edit buffer
43 =============================================================================
44*/
45
46short
47et_trns(n)
48short n;
49{
50 register short trval;
51 register char trsign;
52
53 trval = s_trns[n];
54
55 if (trval < 0) {
56
57 trval = (-trval);
58 trsign = '-';
59
60 } else {
61
62 trsign = '+';
63 }
64
65 sprintf(ebuf, "%04.4d%c", trval, trsign);
66
67 ebflag = TRUE;
68
69#if DEBUGIT
70 printf("et_trns(0x%04.4x) [%s]\r\n", n, ebuf);
71#endif
72
73 return(SUCCESS);
74}
75
76/*
77
78*/
79
80/*
81 =============================================================================
82 ef_trns() -- parse (unload) the edit buffer
83 =============================================================================
84*/
85
86short
87ef_trns(n)
88short n;
89{
90 register short i, trval;
91 register struct s_entry *ep, *trnval;
92
93 ebuf[5] = '\0'; /* terminate the string in ebuf */
94
95#if DEBUGIT
96 printf("ef_trns(0x%04.4x) [%s]\r\n", n, ebuf);
97#endif
98
99 ebflag = FALSE;
100 trval = 0;
101
102 for (i = 0; i < 4; i++) /* convert from ASCII to binary */
103 trval = (trval * 10) + (ebuf[i] - '0');
104
105 if (trval GT 1200) /* check against limit */
106 return(FAILURE);
107
108 if (ebuf[4] EQ '-') /* fixup sign of value */
109 trval = (-trval);
110
111 s_trns[n] = trval; /* store new value */
112 settune(); /* update FPU */
113
114 if (recsw AND grpmode[n] AND (2 EQ grpmode[n])) {
115
116 trnval = (struct s_entry *)((long)trval << 16);
117
118 if (E_NULL NE (ep = findev(p_cur, t_cur, EV_TRNS, n, -1))) {
119
120 ep->e_lft = trnval;
121
122 } else if (E_NULL NE (ep = e_alc(E_SIZE3))) {
123
124 ep->e_type = EV_TRNS;
125 ep->e_time = t_cur;
126 ep->e_data1 = n;
127 ep->e_lft = trnval;
128 p_cur = e_ins(ep, ep_adj(p_cur, 0, t_cur))->e_fwd;
129 eh_ins(ep, EH_TRNS);
130 ctrsw = TRUE;
131 se_disp(ep, D_FWD, gdstbc, 1);
132 scupd();
133 }
134 }
135
136#if DEBUGIT
137 printf(" SUCCESS: %d\r\n", trval);
138#endif
139 return(SUCCESS);
140}
141
142/*
143
144*/
145
146/*
147 =============================================================================
148 rd_trns() -- (re)display the value
149 =============================================================================
150*/
151
152short
153rd_trns(n)
154short n;
155{
156 register short trval, i;
157 register char trsign;
158
159 trval = s_trns[n]; /* get the value */
160
161 if (trval < 0) { /* adjust for the sign */
162
163 trsign = '-';
164 trval = (-trval);
165
166 } else {
167
168 trsign = '+';
169 }
170
171 sprintf(dspbuf, "%04.4d", trval); /* convert to ASCII */
172
173#if DEBUGIT
174 printf("rd_trns: %d <%d> [%s] -> ", n, s_trns[n], dspbuf);
175#endif
176
177 if (trsign EQ '-') { /* handle +1, -1 cases */
178
179 if (dspbuf[0] EQ '1')
180 dspbuf[0] = SP_M1; /* -1 */
181 else
182 dspbuf[0] = '-';
183
184 } else {
185
186 if (dspbuf[0] EQ '1')
187 dspbuf[0] = SP_P1; /* +1 */
188 else
189 dspbuf[0] = '+';
190 }
191
192#if DEBUGIT
193 printf("{%02x %02x %02x %02x}\r\n",
194 dspbuf[0], dspbuf[1], dspbuf[2], dspbuf[3]);
195#endif
196
197 if (v_regs[5] & 0x0180)
198 vbank(0); /* display the value */
199
200 vputs(obj8, 3, (5 * (n + 1)), dspbuf, SDW11ATR);
201
202 return(SUCCESS);
203}
204
205/*
206
207*/
208
209/*
210 =============================================================================
211 ds_trns() -- display all transposition values
212 =============================================================================
213*/
214
215ds_trns()
216{
217 register short i;
218
219 for (i = 0; i < 12; i++) /* display each of the groups */
220 rd_trns(i);
221}
222
223/*
224
225*/
226
227/*
228 =============================================================================
229 nd_trns() -- handle new data entry
230 =============================================================================
231*/
232
233short
234nd_trns(n, k)
235short n;
236register short k;
237{
238 register short ec, c, advsw;
239
240 ec = stccol - cfetp->flcol; /* setup edit buffer column */
241
242#if DEBUGIT
243 printf("nd_trns(0x%04.4x, 0x%02.2x) ec = %d, tp = 0x%08.8lx\r\n",
244 n, k, ec, tp);
245#endif
246
247 advsw = TRUE;
248
249 if (ec EQ 0) { /* first column of field ? */
250
251 switch (k) { /* what are we entering ? */
252
253 case 0: /* digit 0 */
254
255 ebuf[0] = '0';
256 k = ebuf[4];
257 break;
258
259 case 1: /* digit 1 */
260
261 if (ebuf[4] EQ '+')
262 k = SP_P1; /* +1 */
263 else
264 k = SP_M1; /* -1 */
265
266 ebuf[0] = '1';
267 break;
268
269 case 8: /* - */
270
271 if (ebuf[0] EQ '0')
272 k = '-';
273 else
274 k = SP_M1;
275
276 ebuf[4] = '-';
277 advsw = FALSE;
278 break;
279
280
281 case 9: /* + */
282
283 if (ebuf[0] EQ '0')
284 k = '+';
285 else
286 k = SP_P1;
287
288 ebuf[4] = '+';
289 advsw = FALSE;
290 break;
291
292 default: /* anything else is an error */
293
294 return(FAILURE);
295 }
296
297 } else { /* any other column */
298
299 ebuf[ec] = k + '0';
300 }
301
302 dspbuf[0] = (k > 9) ? k : (k + '0');
303 dspbuf[1] = '\0';
304
305 if (v_regs[5] & 0x0180)
306 vbank(0);
307
308 vputs(obj8, 3, stccol, dspbuf, SDW11DEA);
309
310#if DEBUGIT
311 printf("nd_trns: char=0x%02.2x, col=%d\n", dspbuf[0], stccol);
312#endif
313
314 if (advsw)
315 advscur();
316
317 return(SUCCESS);
318}
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