source: buchla-68k/ram/chgsef.c@ e225e77

Last change on this file since e225e77 was e225e77, checked in by Thomas Lopatic <thomas@…>, 8 years ago

Added missing includes and declarations.
  • Property mode set to 100644
File size: 3.7 KB
RevLine 
[f40a309]1/*
2 =============================================================================
3 chgsef.c -- MIDAS-VII -- change score direction
4 Version 1 -- 1988-08-01 -- D.N. Lynx Crowe
5 =============================================================================
6*/
7
8#include "stddefs.h"
9#include "graphdef.h"
10#include "hwdefs.h"
11#include "sclock.h"
12#include "slice.h"
13#include "vsdd.h"
14
15#include "midas.h"
16#include "score.h"
17#include "scdsp.h"
18#include "scfns.h"
19
[e225e77]20extern void rslice(struct gdsel *gdstb[]);
21extern void se_disp(struct s_entry *ep, int16_t sd, struct gdsel *gdstb[], int16_t cf);
22
[7258c6a]23extern int16_t sd;
24extern int16_t se;
[f40a309]25
26extern struct gdsel *gdstbc[];
27extern struct gdsel *gdstbn[];
28extern struct gdsel *gdstbp[];
29
30/*
31
32*/
33
34/*
35 =============================================================================
36 chgsef() -- change execution pointers to D_FWD
37 =============================================================================
38*/
[0580615]39
[f40a309]40void chgsef(void)
41{
[7258c6a]42 register struct s_entry *ep;
[f40a309]43 register int32_t rt;
44
45 se = D_FWD;
46
47 ep = p_cur;
48 rt = t_cur;
49
50 if (EV_FINI NE ep->e_type) {
51
52 ep = ep->e_fwd;
53
54 while (ep->e_time EQ rt) {
55
56 if (EV_FINI EQ ep->e_type)
57 break;
58
59 se_exec(ep, se);
60 ep = ep->e_fwd;
61 }
62
63 p_cur = ep;
64 }
65}
66
67/*
68 =============================================================================
69 chgseb() -- change execution pointers to D_BAK
70 =============================================================================
71*/
[0580615]72
[f40a309]73void chgseb(void)
74{
[7258c6a]75 register struct s_entry *ep;
[f40a309]76 register int32_t rt;
77
78 se = D_BAK;
79
80 ep = p_cur;
81 rt = t_cur;
82
83 if (EV_SCORE NE ep->e_type) {
84
85 ep = ep->e_bak;
86
87 while (ep->e_time EQ rt) {
88
89 if (EV_SCORE EQ ep->e_type)
90 break;
91
92 se_exec(ep, se);
93 ep = ep->e_bak;
94 }
95
96 p_cur = ep;
97 }
98}
99
100/*
101 =============================================================================
102 chgsdf() -- change display pointers to D_FWD
103 =============================================================================
104*/
[0580615]105
[f40a309]106void chgsdf(void)
107{
[7258c6a]108 register struct s_entry *ep;
[f40a309]109 register int32_t rt;
110
111 sd = D_FWD;
112
113 rslice(gdstbc);
114 rslice(gdstbn);
115 rslice(gdstbp);
116
117 ep = p_ctr;
118 rt = t_ctr;
119
120 if (EV_FINI NE ep->e_type) {
121
122 ep = ep->e_fwd;
123
124 while (ep->e_time EQ rt) {
125
126 if (EV_FINI EQ ep->e_type)
127 break;
128
129 se_disp(ep, D_FWD, gdstbc, 1);
130 ep = ep->e_fwd;
131 }
132
133 p_ctr = ep;
134 }
135
136 ep = p_bak;
137 rt = t_bak;
138
139 if (EV_FINI NE ep->e_type) {
140
141 ep = ep->e_fwd;
142
143 while (ep->e_time EQ rt) {
144
145 if (EV_FINI EQ ep->e_type)
146 break;
147
148 se_disp(ep, D_FWD, gdstbp, 0);
149 ep = ep->e_fwd;
150 }
151
152 p_bak = ep;
153 }
154
155 ep = p_fwd;
156 rt = t_fwd;
157
158 if (EV_FINI NE ep->e_type) {
159
160 ep = ep->e_fwd;
161
162 while (ep->e_time EQ rt) {
163
164 if (EV_FINI EQ ep->e_type)
165 break;
166
167 se_disp(ep, D_FWD, gdstbn, 0);
168 ep = ep->e_fwd;
169 }
170
171 p_fwd = ep;
172 }
173}
174
175/*
176 =============================================================================
177 chgsdb() -- change display pointers to D_BAK
178 =============================================================================
179*/
[0580615]180
[f40a309]181void chgsdb(void)
182{
[7258c6a]183 register struct s_entry *ep;
[f40a309]184 register int32_t rt;
185
186 sd = D_BAK;
187
188 rslice(gdstbc);
189 rslice(gdstbn);
190 rslice(gdstbp);
191
192 ep = p_ctr;
193 rt = t_ctr;
194
195 if (EV_SCORE NE ep->e_type) {
196
197 ep = ep->e_bak;
198
199 while (ep->e_time EQ rt) {
200
201 if (EV_SCORE EQ ep->e_type)
202 break;
203
204 se_disp(ep, D_BAK, gdstbc, 1);
205 ep = ep->e_bak;
206 }
207
208 p_ctr = ep;
209 }
210
211 ep = p_bak;
212 rt = t_bak;
213
214 if (EV_SCORE NE ep->e_type) {
215
216 ep = ep->e_bak;
217
218 while (ep->e_time EQ rt) {
219
220 if (EV_SCORE EQ ep->e_type)
221 break;
222
223 se_disp(ep, D_BAK, gdstbp, 0);
224 ep = ep->e_bak;
225 }
226
227 p_bak = ep;
228 }
229
230 ep = p_fwd;
231 rt = t_fwd;
232
233 if (EV_SCORE NE ep->e_type) {
234
235 ep = ep->e_bak;
236
237 while (ep->e_time EQ rt) {
238
239 if (EV_SCORE EQ ep->e_type)
240 break;
241
242 se_disp(ep, D_BAK, gdstbn, 0);
243 ep = ep->e_bak;
244 }
245
246 p_fwd = ep;
247 }
248}
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