[f40a309] | 1 | /*
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| 2 | =============================================================================
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| 3 | smscrl.c -- MIDAS-VII smooth scrolling functions
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| 4 | Version 37 -- 1989-11-16 -- D.N. Lynx Crowe
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| 5 | =============================================================================
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| 6 | */
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| 7 |
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| 8 | #define OLDSCRL 0
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| 9 |
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| 10 | #include "stddefs.h"
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| 11 | #include "graphdef.h"
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| 12 | #include "hwdefs.h"
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| 13 | #include "vsdd.h"
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| 14 | #include "curpak.h"
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| 15 | #include "patch.h"
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| 16 |
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| 17 | #include "midas.h"
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| 18 | #include "ptdisp.h"
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| 19 |
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[e225e77] | 20 | #include "memory.h"
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| 21 | #include "vsddsw.h"
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| 22 |
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| 23 | extern int16_t findnxt(int16_t cp);
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| 24 | extern int16_t findprv(int16_t cp);
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| 25 | extern void ctcoff(void);
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| 26 | extern void ctcon(void);
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| 27 | extern void dptw(void);
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| 28 | extern void dspdest(int8_t *buf, struct patch *pp);
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| 29 | extern void dspdfst(int8_t *buf, uint16_t val);
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| 30 | extern void dsqlin(int8_t *buf, int16_t slin);
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| 31 | extern void pte2buf(void);
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| 32 | extern void setptcv(void);
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| 33 | extern void voidpb(void);
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| 34 | extern void vputcv(uint16_t *adr, uint16_t row, uint16_t col, uint8_t chr, uint16_t atr, uint16_t cols);
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| 35 | extern void vsplot4(uint16_t *obase, uint16_t nw, uint16_t fg, uint16_t row, uint16_t col, int8_t *str, uint16_t pitch, uint16_t ht, int16_t cgtab[][256]);
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| 36 | extern void vvputsv(uint16_t *obase, uint16_t nw, uint16_t fg, uint16_t bg, uint16_t row, uint16_t col, int8_t *str, uint16_t pitch, uint16_t ht, int16_t cgtab[][256]);
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| 37 |
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[f40a309] | 38 | #define SS_NSL 16 /* number of scrolled lines */
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| 39 | #define SS_TOP (2 * (SS_NSL + 1)) /* total line count */
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| 40 | #define SS_LIM (SS_TOP - SS_NSL) /* top line limit */
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| 41 | #define SS_LEN 48 /* length of a scrolled line */
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| 42 | #define NSCANS 14 /* number of scan lines */
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| 43 | #define TOPSCAN (NSCANS - 1) /* top scan line */
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| 44 |
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[7258c6a] | 45 | extern int16_t cmtype; /* cursor type */
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| 46 | extern int16_t ctcsw; /* cursor status */
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| 47 | extern int16_t curslin; /* current sequence line */
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| 48 | extern int16_t cxrate; /* cursor X update rate */
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| 49 | extern int16_t cxval; /* cursor X location */
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| 50 | extern int16_t cyrate; /* cursor Y update rate */
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| 51 | extern int16_t cyval; /* cursor Y location */
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| 52 | extern int16_t ptecpos; /* current patch index */
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| 53 | extern int16_t pteset; /* ptebuf set flag */
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| 54 | extern int16_t sqdeflg; /* sequence data entry flag */
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| 55 | extern int16_t stccol; /* main cursor column */
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| 56 | extern int16_t submenu; /* submenu switch */
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| 57 | extern int16_t vtccol; /* submenu cursor column */
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| 58 | extern int16_t vtcrow; /* submenu cursor row */
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| 59 | extern int16_t vtxval; /* submenu cursor x value */
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| 60 | extern int16_t vtyval; /* subment cursor y value */
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| 61 |
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| 62 | extern uint16_t *obj10; /* sequence status object pointer */
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| 63 |
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| 64 | extern int16_t cg3[][256]; /* character generator table */
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| 65 |
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| 66 | extern int8_t ptdebuf[]; /* patch data entry buffer */
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| 67 | extern int8_t sqdebuf[]; /* sequence data entry buffer */
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[f40a309] | 68 |
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| 69 | extern struct patch ptebuf; /* current patch image */
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| 70 | extern struct seqent seqbuf; /* sequence line buffer */
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| 71 |
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[7258c6a] | 72 | int8_t TheBuf[66]; /* display build buffer */
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[f40a309] | 73 |
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| 74 | /* |
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| 75 |
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| 76 | */
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[7258c6a] | 77 |
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| 78 | int8_t *(*BakLine)(void); /* next line backward function pointer */
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[f40a309] | 79 | int8_t *(*FwdLine)(void); /* next line forward function pointer */
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[7258c6a] | 80 |
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| 81 | int16_t PdScDnF; /* scroll down flag */
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[f40a309] | 82 | int16_t PdScUpF; /* scroll up flag */
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[7258c6a] | 83 |
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| 84 | int16_t CurLine; /* top line being displayed */
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| 85 | int16_t CurScan; /* current scan line */
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| 86 | int16_t DupLine; /* write pointer for other page */
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[f40a309] | 87 | int16_t ScrlObj; /* object descriptor table index */
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[7258c6a] | 88 |
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[f40a309] | 89 | int8_t *LinePtr; /* line to scroll onto screen */
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[7258c6a] | 90 |
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[f40a309] | 91 | uint16_t LineAtr; /* attribute for the new line */
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[7258c6a] | 92 |
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| 93 | uint16_t *LineBuf; /* current display memory pointer */
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| 94 | uint16_t *OldLine; /* old display memory pointer */
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[f40a309] | 95 | uint16_t *ScObAdr; /* display memory base pointer */
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[7258c6a] | 96 |
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| 97 | int16_t LineCon = SS_LEN * 3; /* line offset constant */
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| 98 | int16_t LineLen = SS_LEN; /* length of a scrolled line */
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| 99 | int16_t SmScLim = SS_LIM; /* top line limit */
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| 100 | int16_t SmScNsl = SS_NSL; /* number of scrolled lines */
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[f40a309] | 101 | int16_t SmScTop = SS_TOP; /* total line count */
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| 102 |
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| 103 | /* |
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| 104 |
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| 105 | */
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| 106 |
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| 107 | /*
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| 108 | =============================================================================
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| 109 | LineFwd() -- return the next patch line in the forward direction
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| 110 | =============================================================================
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[7258c6a] | 111 | */
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[f40a309] | 112 |
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[7258c6a] | 113 | int8_t *LineFwd(void)
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[f40a309] | 114 | {
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| 115 | register int16_t j, k;
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| 116 |
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| 117 | for (j = 0; j < 48; j++)
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| 118 | TheBuf[j] = ' ';
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| 119 |
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| 120 | TheBuf[0] = '\260';
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| 121 | TheBuf[48] = '\0';
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[7258c6a] | 122 |
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[f40a309] | 123 | if (0 EQ ptecpos)
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| 124 | return((int8_t *)NULL);
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[7258c6a] | 125 |
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[f40a309] | 126 | if (0 EQ (j = findnxt(ptecpos)))
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| 127 | return((int8_t *)NULL);
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| 128 |
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| 129 | ptecpos = j;
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| 130 |
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| 131 | memcpyw(&ptebuf.defnum, &patches[ptecpos].defnum, 6);
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| 132 | pteset = TRUE;
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| 133 | pte2buf();
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| 134 |
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| 135 | k = ptecpos;
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| 136 |
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| 137 | for (j = 0; j < 8; j++)
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| 138 | if (0 EQ (k = findnxt(k)))
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| 139 | return(TheBuf);
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| 140 |
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| 141 | dspdfst(&TheBuf[ 2], patches[k].defnum);
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| 142 | dspdfst(&TheBuf[15], patches[k].stmnum);
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| 143 | dspdest(&TheBuf[28], &patches[k]);
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| 144 |
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| 145 | for (j = 0; j < 50; j++)
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| 146 | if(TheBuf[j] EQ '\0')
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| 147 | TheBuf[j] = ' ';
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| 148 |
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| 149 | TheBuf[48] = '\0';
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| 150 | return(TheBuf);
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| 151 | }
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| 152 |
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| 153 | /* |
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| 154 |
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| 155 | */
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| 156 |
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| 157 | /*
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| 158 | =============================================================================
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| 159 | LineBak() -- return the next patch line in the backward direction
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[7258c6a] | 160 | =============================================================================
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[f40a309] | 161 | */
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[7258c6a] | 162 |
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[f40a309] | 163 | int8_t *LineBak(void)
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| 164 | {
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| 165 | register int16_t j, k;
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| 166 |
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| 167 | for (j = 0; j < 48; j++)
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| 168 | TheBuf[j] = ' ';
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| 169 |
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| 170 | TheBuf[0] = '\260';
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[7258c6a] | 171 | TheBuf[48] = '\0';
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[f40a309] | 172 |
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| 173 | if (0 EQ ptecpos)
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[7258c6a] | 174 | return((int8_t *)NULL);
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[f40a309] | 175 |
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| 176 | if (0 EQ (j = findprv(ptecpos)))
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| 177 | return((int8_t *)NULL);
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| 178 |
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| 179 | ptecpos = j;
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| 180 |
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| 181 | memcpyw(&ptebuf.defnum, &patches[ptecpos].defnum, 6);
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| 182 | pteset = TRUE;
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| 183 | pte2buf();
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| 184 |
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| 185 | k = ptecpos;
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| 186 |
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| 187 | for (j = 0; j < 7; j++)
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| 188 | if (0 EQ (k = findprv(k)))
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| 189 | return(TheBuf);
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| 190 |
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| 191 | dspdfst(&TheBuf[ 2], patches[k].defnum);
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| 192 | dspdfst(&TheBuf[15], patches[k].stmnum);
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| 193 | dspdest(&TheBuf[28], &patches[k]);
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| 194 |
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| 195 | for (j = 0; j < 50; j++)
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| 196 | if(TheBuf[j] EQ '\0')
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| 197 | TheBuf[j] = ' ';
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| 198 |
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| 199 | TheBuf[48] = '\0';
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| 200 | return(TheBuf);
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| 201 | }
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| 202 |
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| 203 | /* |
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| 204 |
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| 205 | */
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| 206 |
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| 207 | /*
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| 208 | =============================================================================
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[7258c6a] | 209 | WrVideo() -- write a line to the video display
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[f40a309] | 210 | =============================================================================
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[7258c6a] | 211 | */
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[f40a309] | 212 |
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| 213 | void WrVideo(int16_t row, int16_t col, int8_t *str, uint16_t atr)
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| 214 | {
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| 215 | register int8_t chr;
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| 216 |
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| 217 | if (v_regs[5] & 0x0180)
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| 218 | vbank(0);
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| 219 |
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| 220 | while ('\0' NE (chr = *str++)) {
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| 221 |
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| 222 | vputcv(ScObAdr, row, col, chr,
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| 223 | (col EQ 0) ? PTBATR : atr, LineLen);
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| 224 |
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| 225 | col++;
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| 226 | }
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| 227 | }
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| 228 |
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| 229 | /* |
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| 230 |
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| 231 | */
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| 232 |
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| 233 | /*
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[7258c6a] | 234 | =============================================================================
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[f40a309] | 235 | SetDTop() -- set the top line of the display
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| 236 | =============================================================================
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| 237 | */
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| 238 |
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[7258c6a] | 239 | void SetDTop(int16_t row, int16_t scan)
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[f40a309] | 240 | {
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| 241 | if (v_regs[5] & 0x0180)
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[7258c6a] | 242 | vbank(0);
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[f40a309] | 243 |
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| 244 | LineBuf = (uint16_t *)((int8_t *)ScObAdr + (row * LineCon));
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| 245 |
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| 246 | if (OldLine NE LineBuf)
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| 247 | v_odtab[ScrlObj][2] = ((int32_t)LineBuf >> 1) & 0xFFFF;
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| 248 |
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| 249 | OldLine = LineBuf;
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| 250 |
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| 251 | v_odtab[ScrlObj][0] = (v_odtab[ScrlObj][0] & 0x0FFF) | (scan << 12);
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| 252 | }
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| 253 |
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| 254 | /* |
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| 255 |
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| 256 | */
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| 257 |
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[7258c6a] | 258 | /*
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[f40a309] | 259 | =============================================================================
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| 260 | UpdVid() -- update the video display on both pages
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| 261 | =============================================================================
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| 262 | */
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| 263 |
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| 264 | void UpdVid(int16_t row, int16_t col, int8_t *str, uint16_t atr)
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| 265 | {
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| 266 | WrVideo(CurLine + row, col, str, atr);
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| 267 |
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| 268 | DupLine = CurLine + SmScNsl + 2 + row;
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| 269 |
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| 270 | if (DupLine < SmScTop)
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| 271 | WrVideo(DupLine, col, str, PTPATR);
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| 272 |
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| 273 | DupLine = CurLine - SmScNsl - 2 + row;
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| 274 |
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| 275 | if (DupLine GE 0)
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| 276 | WrVideo(DupLine, col, str, PTPATR);
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| 277 | }
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| 278 |
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| 279 | /* |
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| 280 |
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| 281 | */
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[0580615] | 282 |
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[f40a309] | 283 | /*
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[7258c6a] | 284 | =============================================================================
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[f40a309] | 285 | bgncm() -- begin patch display cursor motion
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| 286 | =============================================================================
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| 287 | */
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| 288 |
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| 289 | void bgncm(void)
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| 290 | {
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| 291 | register int16_t j;
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| 292 |
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| 293 | memcpyw(&ptebuf.defnum, &patches[ptecpos].defnum, 6);
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| 294 | pteset = TRUE;
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| 295 | pte2buf();
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| 296 |
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| 297 | memcpy(TheBuf, ptdebuf, 48);
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| 298 |
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| 299 | for (j = 0; j < 50; j++)
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| 300 | if(TheBuf[j] EQ '\0')
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| 301 | TheBuf[j] = ' ';
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| 302 |
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| 303 | TheBuf[0] = '\260';
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| 304 | TheBuf[1] = ' ';
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| 305 | TheBuf[48] = '\0';
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| 306 |
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| 307 | UpdVid(7, 0, TheBuf, PTPATR);
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| 308 | ctcoff();
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| 309 | }
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| 310 |
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| 311 | /* |
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| 312 |
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[0580615] | 313 | */
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[f40a309] | 314 |
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[7258c6a] | 315 | /*
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[f40a309] | 316 | =============================================================================
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| 317 | stopcm() -- stop patch display cursor motion
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| 318 | =============================================================================
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| 319 | */
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| 320 |
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| 321 | void stopcm(void)
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| 322 | {
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| 323 | register int16_t i;
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| 324 |
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| 325 | if (PdScDnF)
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| 326 | SetDTop(CurLine, CurScan = TOPSCAN);
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| 327 | else if (PdScUpF)
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| 328 | SetDTop(++CurLine, CurScan = TOPSCAN);
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| 329 |
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| 330 | if (NOT ctcsw) { /* if we scrolled ... */
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| 331 |
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| 332 | if (ptecpos) { /* if something is there ... */
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| 333 |
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| 334 | /* refresh editing variables */
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| 335 |
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| 336 | memcpyw(&ptebuf.defnum, &patches[ptecpos].defnum, 6);
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| 337 | pteset = TRUE;
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| 338 | pte2buf();
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| 339 | setptcv();
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| 340 |
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| 341 | } else { /* ... nothing there */
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| 342 |
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| 343 | voidpb(); /* void the patch buffer */
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| 344 | }
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| 345 | }
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| 346 |
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| 347 | ctcon(); /* re-enable cursor */
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| 348 |
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| 349 | PdScDnF = FALSE; /* turn off the scrolling flags */
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| 350 | PdScUpF = FALSE;
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| 351 | }
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| 352 |
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| 353 | /* |
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[0580615] | 354 |
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[f40a309] | 355 | */
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[7258c6a] | 356 |
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[f40a309] | 357 | /*
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| 358 | =============================================================================
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| 359 | stopsm() -- stop sequence display cursor motion
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| 360 | =============================================================================
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| 361 | */
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| 362 |
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| 363 | void stopsm(void)
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| 364 | {
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| 365 | register int16_t i;
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| 366 |
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| 367 | if (PdScDnF)
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| 368 | SetDTop(CurLine, CurScan = TOPSCAN);
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| 369 | else if (PdScUpF)
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| 370 | SetDTop(++CurLine, CurScan = TOPSCAN);
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| 371 |
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| 372 | memcpyw(&seqbuf, &seqtab[curslin], NSEQW);
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| 373 | dsqlin(sqdebuf, curslin);
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| 374 | sqdeflg = TRUE;
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| 375 | ctcon();
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| 376 |
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| 377 | PdScDnF = FALSE;
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| 378 | PdScUpF = FALSE;
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| 379 | }
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| 380 |
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[0580615] | 381 | /* |
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[f40a309] | 382 |
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| 383 | */
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| 384 |
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| 385 | /*
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| 386 | =============================================================================
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[7258c6a] | 387 | smscrl() -- smooth scroll the text display up or down
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[f40a309] | 388 | =============================================================================
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| 389 | */
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| 390 |
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| 391 | void smscrl(void)
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| 392 | {
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| 393 | if (PdScUpF) { /* SCROLL UP (toward NEW data) ? */
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| 394 |
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| 395 | if (CurScan EQ TOPSCAN) { /* ready for a new line ? */
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| 396 |
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| 397 | if ((int8_t *)NULL NE (LinePtr = (*FwdLine)())) { /* get a line */
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| 398 |
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| 399 | if (CurLine EQ SmScLim) { /* *** swap display pages *** */
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| 400 |
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| 401 | /* update page we're going to */
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| 402 |
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| 403 | WrVideo(SmScNsl, 0, LinePtr, LineAtr);
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| 404 |
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| 405 | /* point at new page */
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| 406 |
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| 407 | SetDTop(CurLine = 0, CurScan = TOPSCAN);
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| 408 |
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| 409 | } else { /* *** stay on this page *** */
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| 410 |
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| 411 | /* update scroll target line */
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| 412 |
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| 413 | WrVideo(CurLine + SmScNsl, 0, LinePtr, LineAtr);
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| 414 |
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| 415 | /* update other page if it's in range */
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| 416 |
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| 417 | DupLine = CurLine - 2;
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| 418 |
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| 419 | if (DupLine GE 0)
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| 420 | WrVideo(DupLine, 0, LinePtr, LineAtr);
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| 421 | }
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| 422 |
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| 423 | /* do first scroll up of new line */
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| 424 |
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| 425 | SetDTop(CurLine, --CurScan);
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| 426 | }
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| 427 |
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| 428 | } else { /* scrolling -- scroll some more */
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| 429 |
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| 430 | if (CurScan EQ 0)
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[7258c6a] | 431 | SetDTop(++CurLine, CurScan = TOPSCAN);
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[f40a309] | 432 | else
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| 433 | SetDTop(CurLine, --CurScan);
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| 434 | }
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| 435 | /* |
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| 436 |
|
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| 437 | */
|
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| 438 | } else if (PdScDnF) { /* SCROLL DOWN (toward old data) ? */
|
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| 439 |
|
---|
| 440 | if (CurScan EQ TOPSCAN) { /* ready for a new line ? */
|
---|
| 441 |
|
---|
| 442 | if ((int8_t *)NULL NE (LinePtr = (*BakLine)())) { /* get a line */
|
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| 443 |
|
---|
| 444 | if (CurLine EQ 0) { /* *** swap display pages *** */
|
---|
| 445 |
|
---|
| 446 | /* update page we're going to */
|
---|
| 447 |
|
---|
| 448 | WrVideo(SmScLim - 1, 0, LinePtr, LineAtr);
|
---|
| 449 |
|
---|
| 450 | /* point at new page */
|
---|
| 451 |
|
---|
| 452 | SetDTop(CurLine = SmScLim - 1, CurScan = 0);
|
---|
| 453 |
|
---|
| 454 | } else { /* *** stay on this page *** */
|
---|
| 455 |
|
---|
| 456 | /* update scroll target line */
|
---|
| 457 |
|
---|
| 458 | WrVideo(CurLine - 1, 0, LinePtr, LineAtr);
|
---|
| 459 |
|
---|
| 460 | /* update other page if it's in range */
|
---|
| 461 |
|
---|
| 462 | DupLine = CurLine + SmScNsl + 1;
|
---|
| 463 |
|
---|
| 464 | if (DupLine < SmScTop)
|
---|
| 465 | WrVideo(DupLine, 0, LinePtr, LineAtr);
|
---|
| 466 |
|
---|
| 467 | /* do first scroll down of new line */
|
---|
| 468 |
|
---|
| 469 | SetDTop(--CurLine, CurScan = 0);
|
---|
| 470 | }
|
---|
| 471 | }
|
---|
| 472 |
|
---|
| 473 | } else { /* scrolling -- scroll some more */
|
---|
| 474 |
|
---|
| 475 | if (CurScan NE TOPSCAN)
|
---|
| 476 | SetDTop(CurLine, ++CurScan);
|
---|
| 477 | }
|
---|
| 478 | }
|
---|
[0580615] | 479 | }
|
---|
[f40a309] | 480 |
|
---|
[7258c6a] | 481 | /* |
---|
[f40a309] | 482 |
|
---|
| 483 | */
|
---|
| 484 |
|
---|
| 485 | /*
|
---|
| 486 | =============================================================================
|
---|
| 487 | smxupd() -- patch / sequence smooth scroll X axis update
|
---|
| 488 | =============================================================================
|
---|
| 489 | */
|
---|
| 490 |
|
---|
| 491 | void smxupd(void)
|
---|
| 492 | {
|
---|
| 493 | int16_t oldcx;
|
---|
| 494 |
|
---|
| 495 | oldcx = cxval;
|
---|
| 496 |
|
---|
| 497 | if (submenu) {
|
---|
| 498 |
|
---|
| 499 | vtccol = XTOC(vtxval += cxrate);
|
---|
| 500 |
|
---|
| 501 | if (vtccol > 60)
|
---|
| 502 | vtxval = CTOX(vtccol = 60);
|
---|
| 503 | else if (vtccol < 2)
|
---|
| 504 | vtxval = CTOX(vtccol = 2);
|
---|
| 505 |
|
---|
| 506 | } else {
|
---|
| 507 |
|
---|
| 508 | cxval += cxrate;
|
---|
| 509 |
|
---|
| 510 | if (cxval > CTOX(48))
|
---|
| 511 | cxval = CTOX(48);
|
---|
| 512 | else if (cxval < CTOX(2))
|
---|
| 513 | cxval = CTOX(2);
|
---|
| 514 |
|
---|
| 515 | if (cxval EQ oldcx)
|
---|
| 516 | return;
|
---|
| 517 |
|
---|
| 518 | if (47 EQ XTOC(cxval)) {
|
---|
| 519 |
|
---|
| 520 | if (v_regs[5] & 0x0180)
|
---|
| 521 | vbank(0);
|
---|
| 522 |
|
---|
| 523 | vvputsv(obj10, 16, PDBORFG, PDSEQBG,
|
---|
| 524 | 7, 0, "\260", 14, 14, cg3);
|
---|
| 525 |
|
---|
| 526 | vsplot4(obj10, 16, PDPTRFG,
|
---|
| 527 | 7, 0, "\274", 14, 14, cg3);
|
---|
| 528 |
|
---|
[9519422] | 529 | } else if (48 EQ XTOC(cxval)) {
|
---|
[f40a309] | 530 |
|
---|
| 531 | if (v_regs[5] & 0x0180)
|
---|
| 532 | vbank(0);
|
---|
| 533 |
|
---|
| 534 | vvputsv(obj10, 16, PDBORFG, PDSEQBG,
|
---|
| 535 | 7, 0, "\260", 14, 14, cg3);
|
---|
| 536 |
|
---|
| 537 | vsplot4(obj10, 16, PDPTRFG,
|
---|
| 538 | 7, 0, "\277", 14, 14, cg3);
|
---|
| 539 |
|
---|
| 540 | }
|
---|
| 541 |
|
---|
| 542 | return;
|
---|
[7258c6a] | 543 | }
|
---|
[f40a309] | 544 | }
|
---|
| 545 |
|
---|
| 546 | /* |
---|
| 547 |
|
---|
| 548 | */
|
---|
| 549 |
|
---|
| 550 | /*
|
---|
| 551 | =============================================================================
|
---|
| 552 | smy_up() -- patch display smooth scrolling
|
---|
| 553 | =============================================================================
|
---|
| 554 | */
|
---|
| 555 |
|
---|
| 556 | void smy_up(int16_t tag)
|
---|
| 557 | {
|
---|
| 558 |
|
---|
| 559 | if (0 EQ ptecpos) { /* see if anything is there */
|
---|
| 560 |
|
---|
| 561 | dptw(); /* try to find something ... */
|
---|
| 562 | return; /* ... may scroll next time */
|
---|
| 563 | }
|
---|
| 564 |
|
---|
| 565 | if (ctcsw) /* if we haven't scrolled yet ... */
|
---|
| 566 | bgncm(); /* ... setup for scrolling */
|
---|
| 567 |
|
---|
| 568 | if (tag < 0) { /* scroll up */
|
---|
| 569 |
|
---|
| 570 | if (0 EQ findnxt(ptecpos))
|
---|
| 571 | return;
|
---|
| 572 |
|
---|
| 573 | PdScUpF = TRUE;
|
---|
| 574 | PdScDnF = FALSE;
|
---|
| 575 | smscrl();
|
---|
| 576 |
|
---|
| 577 | } else if (tag > 0) { /* scroll down */
|
---|
| 578 |
|
---|
| 579 | if (0 EQ findprv(ptecpos))
|
---|
| 580 | return;
|
---|
| 581 |
|
---|
| 582 | PdScDnF = TRUE;
|
---|
| 583 | PdScUpF = FALSE;
|
---|
[0580615] | 584 | smscrl();
|
---|
[f40a309] | 585 | }
|
---|
| 586 | }
|
---|
| 587 |
|
---|
| 588 | /* |
---|
| 589 |
|
---|
| 590 | */
|
---|
| 591 |
|
---|
| 592 | /*
|
---|
| 593 | =============================================================================
|
---|
| 594 | smyupd() -- patch display smooth scroll Y axis update
|
---|
| 595 | =============================================================================
|
---|
| 596 | */
|
---|
| 597 |
|
---|
| 598 | void smyupd(void)
|
---|
| 599 | {
|
---|
| 600 | if (submenu) {
|
---|
| 601 |
|
---|
| 602 | vtcrow = YTOR(vtyval += cyrate);
|
---|
| 603 |
|
---|
| 604 | if (vtcrow > 23)
|
---|
| 605 | vtyval = RTOY(vtcrow = 23);
|
---|
| 606 | else if (vtcrow < 19)
|
---|
| 607 | vtyval = RTOY(vtcrow = 19);
|
---|
| 608 |
|
---|
| 609 | }
|
---|
| 610 |
|
---|
[7258c6a] | 611 | #if OLDSCRL
|
---|
[f40a309] | 612 | smy_up(cyrate);
|
---|
| 613 | #endif
|
---|
| 614 | }
|
---|
| 615 |
|
---|
| 616 | /* |
---|
| 617 |
|
---|
| 618 | */
|
---|
| 619 |
|
---|
| 620 | /*
|
---|
| 621 | =============================================================================
|
---|
| 622 | sqy_up() -- sequence smooth scrolling
|
---|
| 623 | =============================================================================
|
---|
| 624 | */
|
---|
| 625 |
|
---|
| 626 | void sqy_up(int16_t tag)
|
---|
| 627 | {
|
---|
| 628 | if (ctcsw)
|
---|
| 629 | ctcoff();
|
---|
| 630 |
|
---|
| 631 | if (tag < 0) { /* scroll up */
|
---|
| 632 |
|
---|
| 633 | PdScUpF = TRUE;
|
---|
| 634 | PdScDnF = FALSE;
|
---|
| 635 | smscrl();
|
---|
| 636 |
|
---|
| 637 | } else if (tag > 0) { /* scroll down */
|
---|
| 638 |
|
---|
[0580615] | 639 | PdScDnF = TRUE;
|
---|
[f40a309] | 640 | PdScUpF = FALSE;
|
---|
| 641 | smscrl();
|
---|
| 642 | }
|
---|
| 643 | }
|
---|
| 644 |
|
---|
| 645 | /* |
---|
| 646 |
|
---|
| 647 | */
|
---|
| 648 |
|
---|
| 649 | /*
|
---|
| 650 | =============================================================================
|
---|
| 651 | sqyupd() -- sequence smooth scroll Y axis update
|
---|
| 652 | =============================================================================
|
---|
| 653 | */
|
---|
| 654 |
|
---|
| 655 | void sqyupd(void)
|
---|
| 656 | {
|
---|
| 657 | if (submenu) {
|
---|
| 658 |
|
---|
| 659 | vtcrow = YTOR(vtyval += cyrate);
|
---|
| 660 |
|
---|
| 661 | if (vtcrow > 23)
|
---|
| 662 | vtyval = RTOY(vtcrow = 23);
|
---|
| 663 | else if (vtcrow < 19)
|
---|
| 664 | vtyval = RTOY(vtcrow = 19);
|
---|
| 665 |
|
---|
| 666 | }
|
---|
| 667 |
|
---|
| 668 | #if OLDSCRL
|
---|
| 669 | sqy_up(cyrate);
|
---|
| 670 | #endif
|
---|
| 671 | }
|
---|