ite_rh.c revision 1.1
1 /* 2 * $Id: ite_rh.c,v 1.1 1994/06/05 07:48:48 chopps Exp $ 3 */ 4 5 #include "ite.h" 6 #if NITE > 0 7 8 #include <sys/param.h> 9 #include <sys/conf.h> 10 #include <sys/proc.h> 11 #include <sys/device.h> 12 #include <sys/ioctl.h> 13 #include <sys/tty.h> 14 #include <sys/systm.h> 15 #include <dev/cons.h> 16 #include <machine/cpu.h> 17 #include <amiga/amiga/device.h> 18 #include <amiga/dev/grfioctl.h> 19 #include <amiga/dev/grfvar.h> 20 #include <amiga/dev/grf_rhreg.h> 21 #include <amiga/dev/itevar.h> 22 23 24 /* 25 * grfrh_cnprobe is called when the console is being initialized 26 * i.e. very early. grfconfig() has been called, so this implies 27 * that rt_init() was called. If we are functioning rh_inited 28 * will be true. 29 */ 30 int 31 grfrh_cnprobe() 32 { 33 static int done; 34 int rv; 35 36 if (done == 0) 37 rv = CN_INTERNAL; 38 else 39 rv = CN_NORMAL; 40 done = 1; 41 return(rv); 42 } 43 44 void 45 grfrh_iteinit(gp) 46 struct grf_softc *gp; 47 { 48 gp->g_iteinit = rh_init; 49 gp->g_itedeinit = rh_deinit; 50 gp->g_iteclear = rh_clear; 51 gp->g_iteputc = rh_putc; 52 gp->g_itescroll = rh_scroll; 53 gp->g_itecursor = rh_cursor; 54 } 55 56 void 57 rh_init(ip) 58 struct ite_softc *ip; 59 { 60 struct MonDef *md; 61 extern unsigned char RZ3StdPalette[]; 62 63 #if 0 /* Not in ite_rt.c - DC */ 64 if (ip->grf == 0) 65 ip->grf = &grf_softc[ip - ite_softc]; 66 #endif 67 68 ip->priv = ip->grf->g_data; 69 md = (struct MonDef *) ip->priv; 70 71 ip->cols = md->TX; 72 ip->rows = md->TY; 73 } 74 75 76 void 77 rh_cursor(ip, flag) 78 struct ite_softc *ip; 79 int flag; 80 { 81 volatile u_char *ba = ip->grf->g_regkva; 82 83 if (flag == START_CURSOROPT || flag == END_CURSOROPT) 84 return; 85 86 if (flag == ERASE_CURSOR) { 87 #if 0 88 /* disable cursor */ 89 WCrt (ba, CRT_ID_CURSOR_START, 90 RCrt (ba, CRT_ID_CURSOR_START) | 0x20); 91 #endif 92 } else { 93 int pos = ip->curx + ip->cury * ip->cols; 94 #if 0 95 /* make sure to enable cursor */ 96 WCrt (ba, CRT_ID_CURSOR_START, 97 RCrt (ba, CRT_ID_CURSOR_START) & ~0x20); 98 #endif 99 100 /* and position it */ 101 RZ3SetCursorPos (ip->grf, pos); 102 103 ip->cursorx = ip->curx; 104 ip->cursory = ip->cury; 105 } 106 } 107 108 109 110 static void 111 screen_up(ip, top, bottom, lines) 112 struct ite_softc *ip; 113 int top; 114 int bottom; 115 int lines; 116 { 117 volatile u_char * ba = ip->grf->g_regkva; 118 volatile u_char * fb = ip->grf->g_fbkva; 119 120 /* do some bounds-checking here.. */ 121 if (top >= bottom) 122 return; 123 124 if (top + lines >= bottom) { 125 RZ3AlphaErase(ip->grf, 0, top, bottom - top, ip->cols); 126 return; 127 } 128 129 RZ3AlphaCopy(ip->grf, 0, top+lines, 0, top, ip->cols, bottom-top-lines+1); 130 RZ3AlphaErase(ip->grf, 0, bottom - lines + 1, ip->cols, lines); 131 } 132 133 static void 134 screen_down (ip, top, bottom, lines) 135 struct ite_softc *ip; 136 int top; 137 int bottom; 138 int lines; 139 { 140 volatile u_char * ba = ip->grf->g_regkva; 141 volatile u_char * fb = ip->grf->g_fbkva; 142 143 /* do some bounds-checking here.. */ 144 if (top >= bottom) 145 return; 146 147 if (top + lines >= bottom) { 148 RZ3AlphaErase(ip->grf, 0, top, bottom - top, ip->cols); 149 return; 150 } 151 152 RZ3AlphaCopy(ip->grf, 0, top, 0, top+lines, ip->cols, bottom-top-lines+1); 153 RZ3AlphaErase(ip->grf, 0, top, ip->cols, lines); 154 } 155 156 void 157 rh_deinit(ip) 158 struct ite_softc *ip; 159 { 160 ip->flags &= ~ITE_INITED; 161 } 162 163 164 void 165 rh_putc(ip, c, dy, dx, mode) 166 struct ite_softc *ip; 167 int c; 168 int dy; 169 int dx; 170 int mode; 171 { 172 volatile u_char * ba = ip->grf->g_regkva; 173 volatile u_char * fb = ip->grf->g_fbkva; 174 register u_char attr; 175 176 attr = (mode & ATTR_INV) ? 0x21 : 0x10; 177 if (mode & ATTR_UL) attr = 0x01; /* ???????? */ 178 if (mode & ATTR_BOLD) attr |= 0x08; 179 if (mode & ATTR_BLINK) attr |= 0x80; 180 181 fb += 4 * (dy * ip->cols + dx); 182 *fb++ = c; *fb = attr; 183 } 184 185 void 186 rh_clear(ip, sy, sx, h, w) 187 struct ite_softc *ip; 188 int sy; 189 int sx; 190 int h; 191 int w; 192 { 193 RZ3AlphaErase (ip->grf, sx, sy, w, h); 194 } 195 196 void 197 rh_scroll(ip, sy, sx, count, dir) 198 struct ite_softc *ip; 199 int sy; 200 int sx; 201 int count; 202 int dir; 203 { 204 volatile u_char * ba = ip->grf->g_regkva; 205 u_long * fb = (u_long *) ip->grf->g_fbkva; 206 register int height, dy, i; 207 208 rh_cursor(ip, ERASE_CURSOR); 209 210 if (dir == SCROLL_UP) { 211 screen_up(ip, sy - count, ip->bottom_margin, count); 212 /* bcopy(fb + sy * ip->cols, fb + (sy - count) * ip->cols, 213 4 * (ip->bottom_margin - sy + 1) * ip->cols); */ 214 /* rh_clear(ip, ip->bottom_margin + 1 - count, 0, 215 count, ip->cols); */ 216 } else if (dir == SCROLL_DOWN) { 217 screen_down(ip, sy, ip->bottom_margin, count); 218 /* bcopy(fb + sy * ip->cols, fb + (sy + count) * ip->cols, 219 4 * (ip->bottom_margin - sy - count + 1) * ip->cols); */ 220 /* rh_clear(ip, sy, 0, count, ip->cols); */ 221 } else if (dir == SCROLL_RIGHT) { 222 RZ3AlphaCopy(ip->grf, sx, sy, sx + count, sy, 223 ip->cols - (sx + count), 1); 224 RZ3AlphaErase(ip->grf, sx, sy, count, 1); 225 } else { 226 RZ3AlphaCopy(ip->grf, sx + count, sy, sx, sy, 227 ip->cols - (sx + count), 1); 228 RZ3AlphaErase(ip->grf, ip->cols - count, sy, count, 1); 229 } 230 } 231 #endif 232
Indexes created Wed Oct 01 19:09:53 GMT 2025