source: buchla-68k/ram/etwoff.c

Last change on this file was 6ab7550, checked in by Thomas Lopatic <thomas@…>, 6 years ago

Fixed etwoff.c.
  • Property mode set to 100644
File size: 2.9 KB
Line 
1/*
2 =============================================================================
3 etwoff.c -- waveshape editor - offset value field handlers
4 Version 16 -- 1987-12-22 -- D.N. Lynx Crowe
5 =============================================================================
6*/
7
8#include "ram.h"
9
10/*
11 =============================================================================
12 et_woff() -- load the edit buffer
13 =============================================================================
14*/
15
16int16_t et_woff(int16_t n)
17{
18 register int16_t hoff;
19 register int8_t hosgn;
20
21 (void)n;
22
23 lstwoff = curwoff;
24
25 if (curwoff LT 0) {
26
27 hosgn = '-';
28 hoff = -curwoff;
29
30 } else {
31
32 hosgn = '+';
33 hoff = curwoff;
34 }
35
36 sprintf(ebuf, "%c%04d", hosgn, hoff);
37 ebflag = TRUE;
38
39 return(SUCCESS);
40}
41
42/*
43 =============================================================================
44 ef_woff() -- parse (unload) the edit buffer
45 =============================================================================
46*/
47
48int16_t ef_woff(int16_t n)
49{
50 register int16_t i, tmpval;
51
52 (void)n;
53
54 ebuf[5] = '\0'; /* terminate the string in ebuf */
55 ebflag = FALSE;
56
57 tmpval = 0;
58
59 for (i = 1; i < 5; i++) /* convert from ASCII to binary */
60 tmpval = (tmpval * 10) + (ebuf[i] - '0');
61
62 if (tmpval GT 1023)
63 return(FAILURE);
64
65 if (ebuf[0] EQ '-')
66 curwoff = -tmpval;
67 else
68 curwoff = tmpval;
69
70 if (curwdth EQ NUMWIDS)
71 wdintp();
72 else
73 pntsup();
74
75 wdswin(0);
76 wdswin(2);
77 wdswin(4);
78 return(SUCCESS);
79}
80
81/*
82 =============================================================================
83 rd_woff() -- (re)display the field
84 =============================================================================
85*/
86
87int16_t rd_woff(int16_t nn)
88{
89 register int16_t hoff, n;
90 register int8_t hosgn;
91
92 n = nn & 0xFF;
93 lstwoff = curwoff;
94
95 if (curwoff LT 0) {
96
97 hosgn = '-';
98 hoff = -curwoff;
99
100 } else {
101
102 hosgn = '+';
103 hoff = curwoff;
104 }
105
106 sprintf(dspbuf, "%c%04d", hosgn, hoff);
107
108 /* display the value */
109
110 if (v_regs[5] & 0x0180)
111 vbank(0);
112
113 vcputsv(waveob, 64, wdbox[n][4], wdbox[n][5],
114 wdbox[n][6], wdbox[n][7] + WOFF_OFF, dspbuf, 14);
115
116 return(SUCCESS);
117}
118
119/*
120 =============================================================================
121 nd_woff() -- handle new data entry
122 =============================================================================
123*/
124
125int16_t nd_woff(int16_t nn, int16_t k)
126{
127 register int16_t ec, n;
128
129 n = nn & 0xFF;
130 ec = stccol - cfetp->flcol; /* setup edit buffer column */
131
132 if (ec EQ 0) {
133
134 if (k EQ 8) {
135
136 ebuf[0] = '-';
137 ebuf[5] = '\0';
138
139 dspbuf[0] = '-';
140 dspbuf[1] = '\0';
141
142 } else if (k EQ 9) {
143
144 ebuf[0] = '+';
145 ebuf[5] = '\0';
146
147 dspbuf[0] = '+';
148 dspbuf[1] = '\0';
149
150 } else {
151
152 return(FAILURE);
153 }
154
155 } else {
156
157 ebuf[ec] = (int8_t)(k + '0');
158 ebuf[5] = '\0';
159
160 dspbuf[0] = (int8_t)(k + '0');
161 dspbuf[1] = '\0';
162 }
163
164 if (v_regs[5] & 0x0180)
165 vbank(0);
166
167 vcputsv(waveob, 64, WS_ENTRY, wdbox[n][5],
168 stcrow, stccol, dspbuf, 14);
169
170 advwcur();
171 return(SUCCESS);
172}
173
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