source: buchla-68k/orig/RAM/CTCPOS.C@ b8080f6

Last change on this file since b8080f6 was 3ae31e9, checked in by Thomas Lopatic <thomas@…>, 8 years ago

Imported original source code.
  • Property mode set to 100755
File size: 3.6 KB
Line 
1/*
2 =============================================================================
3 ctcpos.c -- character text cursor positioning
4 Version 12 -- 1989-11-15 -- D.N. Lynx Crowe
5 =============================================================================
6*/
7
8#include "stddefs.h"
9#include "graphdef.h"
10#include "vsdd.h"
11#include "hwdefs.h"
12#include "macros.h"
13#include "patch.h"
14
15#include "midas.h"
16
17short ctcsw; /* text cursor status */
18
19extern short CurLine; /* current patch display line */
20extern short cxval, cyval; /* patch text cursor x, y */
21extern short stcrow, stccol; /* patch text cursor row,col */
22extern short vtcrow, vtccol; /* menu text cursor row,col */
23
24extern unsigned *obj9; /* patch cursor object pointer */
25extern unsigned *obj11; /* menu cursor object pointer */
26
27short mtcoldc; /* previous cursor column location */
28short mtcoldr; /* previous cursor row location */
29
30/*
31
32*/
33
34/*
35 =============================================================================
36 ctcpos() -- position the patch text cursor at ('row', 'col')
37 =============================================================================
38*/
39
40ctcpos(row, col)
41register short row, col;
42{
43 register short nrow;
44
45 if (ctcsw) {
46
47 if (v_regs[5] & 0x0180) /* point at the control bank */
48 vbank(0);
49
50 nrow = CurLine + 7;
51
52 if (stcrow EQ DATAROW) /* turn off old cursor */
53 vclrav(obj9, nrow, stccol, C_ULINE, 48);
54
55 if (row EQ DATAROW) /* turn on new cursor */
56 vsetav(obj9, nrow, col, C_ULINE, 48);
57 }
58
59 stcrow = row; /* update cursor position */
60 stccol = col;
61}
62
63/*
64
65*/
66
67/*
68 =============================================================================
69 ctcoff() -- turn off the patch text cursor
70 =============================================================================
71*/
72
73ctcoff()
74{
75 if (v_regs[5] & 0x0180) /* point at the control bank */
76 vbank(0);
77
78 if (stcrow EQ DATAROW) /* turn off cursor */
79 vclrav(obj9, CurLine + 7, stccol, C_ULINE, 48);
80
81 ctcsw = FALSE;
82}
83
84/*
85 =============================================================================
86 ctcon() -- turn on the patch text cursor
87 =============================================================================
88*/
89
90ctcon()
91{
92 if (v_regs[5] & 0x0180) /* point at the control bank */
93 vbank(0);
94
95 if (stcrow EQ DATAROW) { /* turn on cursor */
96
97 ctcsw = TRUE;
98 vsetav(obj9, CurLine + 7, stccol, C_ULINE, 48);
99 }
100}
101
102/*
103
104*/
105
106/*
107 =============================================================================
108 mtcpos() -- position the menu text cursor at ('row', 'col')
109 =============================================================================
110*/
111
112mtcpos(row, col)
113register short row, col;
114{
115 if (v_regs[5] & 0x0180) /* point at the control bank */
116 vbank(0);
117
118 if (inrange(mtcoldr, 19, 23)) { /* turn off old cursor */
119
120 vclrav(obj11, mtcoldr - 18, mtcoldc, C_ULINE, 64);
121
122 mtcoldr = 0; /* void old cursor location */
123 mtcoldc = 0;
124 }
125
126 if (inrange(row, 19, 23)) { /* turn on new cursor */
127
128 vsetav(obj11, row - 18, col, C_ULINE, 64);
129
130 mtcoldr = row; /* keep track of new cursor */
131 mtcoldc = col;
132 }
133
134 vtcrow = row; /* update cursor position */
135 vtccol = col;
136}
137
138/*
139 =============================================================================
140 mtcoff() -- turn off the menu text cursor
141 =============================================================================
142*/
143
144mtcoff()
145{
146 if (v_regs[5] & 0x0180) /* point at the control bank */
147 vbank(0);
148
149 if (inrange(mtcoldr, 19, 23)) /* turn off cursor */
150 vclrav(obj11, mtcoldr - 18, mtcoldc, C_ULINE, 64);
151}
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