ite_rh.c revision 1.3
1 /* $NetBSD: ite_rh.c,v 1.3 1994/10/26 02:04:00 cgd Exp $ */ 2 3 #include "grfrh.h" 4 #if NGRFRH > 0 5 6 #include <sys/param.h> 7 #include <sys/conf.h> 8 #include <sys/proc.h> 9 #include <sys/device.h> 10 #include <sys/ioctl.h> 11 #include <sys/tty.h> 12 #include <sys/systm.h> 13 #include <dev/cons.h> 14 #include <machine/cpu.h> 15 #include <amiga/amiga/device.h> 16 #include <amiga/dev/grfioctl.h> 17 #include <amiga/dev/grfvar.h> 18 #include <amiga/dev/grf_rhreg.h> 19 #include <amiga/dev/itevar.h> 20 21 22 /* 23 * grfrh_cnprobe is called when the console is being initialized 24 * i.e. very early. grfconfig() has been called, so this implies 25 * that rt_init() was called. If we are functioning rh_inited 26 * will be true. 27 */ 28 int 29 grfrh_cnprobe() 30 { 31 static int done; 32 int rv; 33 34 if (done == 0) 35 rv = CN_INTERNAL; 36 else 37 rv = CN_NORMAL; 38 done = 1; 39 return(rv); 40 } 41 42 void 43 grfrh_iteinit(gp) 44 struct grf_softc *gp; 45 { 46 gp->g_iteinit = rh_init; 47 gp->g_itedeinit = rh_deinit; 48 gp->g_iteclear = rh_clear; 49 gp->g_iteputc = rh_putc; 50 gp->g_itescroll = rh_scroll; 51 gp->g_itecursor = rh_cursor; 52 } 53 54 void 55 rh_init(ip) 56 struct ite_softc *ip; 57 { 58 struct MonDef *md; 59 extern unsigned char RZ3StdPalette[]; 60 61 #if 0 /* Not in ite_rt.c - DC */ 62 if (ip->grf == 0) 63 ip->grf = &grf_softc[ip - ite_softc]; 64 #endif 65 66 ip->priv = ip->grf->g_data; 67 md = (struct MonDef *) ip->priv; 68 69 ip->cols = md->TX; 70 ip->rows = md->TY; 71 } 72 73 74 void 75 rh_cursor(ip, flag) 76 struct ite_softc *ip; 77 int flag; 78 { 79 volatile u_char *ba = ip->grf->g_regkva; 80 81 if (flag == START_CURSOROPT || flag == END_CURSOROPT) 82 return; 83 84 if (flag == ERASE_CURSOR) { 85 #if 0 86 /* disable cursor */ 87 WCrt (ba, CRT_ID_CURSOR_START, 88 RCrt (ba, CRT_ID_CURSOR_START) | 0x20); 89 #endif 90 } else { 91 int pos = ip->curx + ip->cury * ip->cols; 92 #if 0 93 /* make sure to enable cursor */ 94 WCrt (ba, CRT_ID_CURSOR_START, 95 RCrt (ba, CRT_ID_CURSOR_START) & ~0x20); 96 #endif 97 98 /* and position it */ 99 RZ3SetCursorPos (ip->grf, pos); 100 101 ip->cursorx = ip->curx; 102 ip->cursory = ip->cury; 103 } 104 } 105 106 107 108 static void 109 screen_up(ip, top, bottom, lines) 110 struct ite_softc *ip; 111 int top; 112 int bottom; 113 int lines; 114 { 115 volatile u_char * ba = ip->grf->g_regkva; 116 volatile u_char * fb = ip->grf->g_fbkva; 117 118 /* do some bounds-checking here.. */ 119 if (top >= bottom) 120 return; 121 122 if (top + lines >= bottom) { 123 RZ3AlphaErase(ip->grf, 0, top, bottom - top, ip->cols); 124 return; 125 } 126 127 RZ3AlphaCopy(ip->grf, 0, top+lines, 0, top, ip->cols, bottom-top-lines+1); 128 RZ3AlphaErase(ip->grf, 0, bottom - lines + 1, ip->cols, lines); 129 } 130 131 static void 132 screen_down (ip, top, bottom, lines) 133 struct ite_softc *ip; 134 int top; 135 int bottom; 136 int lines; 137 { 138 volatile u_char * ba = ip->grf->g_regkva; 139 volatile u_char * fb = ip->grf->g_fbkva; 140 141 /* do some bounds-checking here.. */ 142 if (top >= bottom) 143 return; 144 145 if (top + lines >= bottom) { 146 RZ3AlphaErase(ip->grf, 0, top, bottom - top, ip->cols); 147 return; 148 } 149 150 RZ3AlphaCopy(ip->grf, 0, top, 0, top+lines, ip->cols, bottom-top-lines+1); 151 RZ3AlphaErase(ip->grf, 0, top, ip->cols, lines); 152 } 153 154 void 155 rh_deinit(ip) 156 struct ite_softc *ip; 157 { 158 ip->flags &= ~ITE_INITED; 159 } 160 161 162 void 163 rh_putc(ip, c, dy, dx, mode) 164 struct ite_softc *ip; 165 int c; 166 int dy; 167 int dx; 168 int mode; 169 { 170 volatile u_char * ba = ip->grf->g_regkva; 171 volatile u_char * fb = ip->grf->g_fbkva; 172 register u_char attr; 173 174 attr = (mode & ATTR_INV) ? 0x21 : 0x10; 175 if (mode & ATTR_UL) attr = 0x01; /* ???????? */ 176 if (mode & ATTR_BOLD) attr |= 0x08; 177 if (mode & ATTR_BLINK) attr |= 0x80; 178 179 fb += 4 * (dy * ip->cols + dx); 180 *fb++ = c; *fb = attr; 181 } 182 183 void 184 rh_clear(ip, sy, sx, h, w) 185 struct ite_softc *ip; 186 int sy; 187 int sx; 188 int h; 189 int w; 190 { 191 RZ3AlphaErase (ip->grf, sx, sy, w, h); 192 } 193 194 void 195 rh_scroll(ip, sy, sx, count, dir) 196 struct ite_softc *ip; 197 int sy; 198 int sx; 199 int count; 200 int dir; 201 { 202 volatile u_char * ba = ip->grf->g_regkva; 203 u_long * fb = (u_long *) ip->grf->g_fbkva; 204 register int height, dy, i; 205 206 rh_cursor(ip, ERASE_CURSOR); 207 208 if (dir == SCROLL_UP) { 209 screen_up(ip, sy - count, ip->bottom_margin, count); 210 /* bcopy(fb + sy * ip->cols, fb + (sy - count) * ip->cols, 211 4 * (ip->bottom_margin - sy + 1) * ip->cols); */ 212 /* rh_clear(ip, ip->bottom_margin + 1 - count, 0, 213 count, ip->cols); */ 214 } else if (dir == SCROLL_DOWN) { 215 screen_down(ip, sy, ip->bottom_margin, count); 216 /* bcopy(fb + sy * ip->cols, fb + (sy + count) * ip->cols, 217 4 * (ip->bottom_margin - sy - count + 1) * ip->cols); */ 218 /* rh_clear(ip, sy, 0, count, ip->cols); */ 219 } else if (dir == SCROLL_RIGHT) { 220 RZ3AlphaCopy(ip->grf, sx, sy, sx + count, sy, 221 ip->cols - (sx + count), 1); 222 RZ3AlphaErase(ip->grf, sx, sy, count, 1); 223 } else { 224 RZ3AlphaCopy(ip->grf, sx + count, sy, sx, sy, 225 ip->cols - (sx + count), 1); 226 RZ3AlphaErase(ip->grf, ip->cols - count, sy, count, 1); 227 } 228 } 229 #endif /* NGRFRH */ 230
Indexes created Wed Oct 01 19:09:53 GMT 2025