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annotate docs/nitros9guide/display.appendix @ 321:2c0ddf807efa
Made some changes
| author | boisy |
|---|---|
| date | Tue, 23 Jul 2002 23:43:29 +0000 |
| parents | bb3e4d64103a |
| children | f9c66ad345d1 |
| rev | line source |
|---|---|
| 146 | 1 <appendix> |
| 2 <title>Display System Functions</title> | |
| 3 | |
| 4 <section> | |
| 5 <title>The Video Display</title> | |
| 6 <para> | |
|
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7 &vendor; OS-9 allows the video display to be used in |
| 146 | 8 alphanumeric, semigraphic, and graphics modes. There are many |
| 9 built-in functions to control the display, which are activated by | |
| 10 used of various ASCII control character. Thus, these functions are | |
| 11 available for use by software written in any language using standard | |
|
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12 output statements (such as "PRINT" in BASIC). The &make; |
|
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13 Computer's Basic09 |
| 146 | 14 language has a Graphics Interface Module that can automatically |
| 15 generate these codes using Basic09 RUN statements. | |
| 16 </para> | |
| 17 <para> | |
| 18 The display system has two display modes: Alphanumeric | |
| 19 ("Alpha") mode and Graphics mode. The Alphanumeric mode also | |
|
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20 includes "semigraphic" box-graphics. The &make; Computer's display |
| 146 | 21 system uses a separate - memory area for each display mode so |
| 22 operations on the Alpha display do not affect the Graphics display, | |
| 23 and visa-versa. Either display can be selected under software | |
| 24 control. | |
| 25 </para> | |
| 26 <para> | |
| 27 8-bit characters sent to the display system are interpreted | |
| 28 according to their numerical value, as shown in the chart below. | |
| 29 </para> | |
| 30 | |
| 31 <informaltable frame="none"> | |
| 32 <tgroup cols="2"> | |
| 33 <colspec colwidth="2in"> | |
| 34 <colspec colwidth="3in"> | |
| 35 <thead> | |
| 36 <row> | |
| 37 <entry>Character Range (Hex)</entry> | |
| 38 <entry>Mode/Used For</entry> | |
| 39 </row> | |
| 40 </thead> | |
| 41 <tbody> | |
| 42 <row> | |
| 43 <entry>00 - 0E</entry> | |
| 44 <entry>Alpha Mode - cursor and screen control</entry> | |
| 45 </row> | |
| 46 <row> | |
| 47 <entry>0F - 1B</entry> | |
| 48 <entry>Graphics Mode - drawing and screen control</entry> | |
| 49 </row> | |
| 50 <row> | |
| 51 <entry>1C - 20</entry> | |
| 52 <entry>Not used</entry> | |
| 53 </row> | |
| 54 <row> | |
| 55 <entry>20 - SF</entry> | |
| 56 <entry>Alpha Mode - upper case characters</entry> | |
| 57 </row> | |
| 58 <row> | |
| 59 <entry>60 - 7F</entry> | |
| 60 <entry>Alpha Mode - lower case characters</entry> | |
| 61 </row> | |
| 62 <row> | |
| 63 <entry>80 - FF</entry> | |
| 64 <entry>Alpha Mode - Semigraphic patterns</entry> | |
| 65 </row> | |
| 66 </tbody> | |
| 67 </tgroup> | |
| 68 </informaltable> | |
| 69 | |
| 70 | |
| 71 <para> | |
| 72 The graphics and alphanumeric functions are handled by the OS-9 | |
| 73 device driver module called "CCIO". | |
| 74 </para> | |
| 75 </section> | |
| 76 <section> | |
| 77 <title>Alpha Mode Display</title> | |
| 78 <para> | |
| 79 This is the "standard" operational mode. It is used to display | |
| 80 alphanumeric characters and semigraphic box graphics, and simulates | |
| 81 the operation of a typical computer terminal with functions for | |
| 82 scrolling, cursor positioning, clear screen, line delete, etc. | |
| 83 </para> | |
| 84 <para> | |
| 85 Each 8-bit character is assumed to be an ASCII character and is | |
| 86 displayed if its high order bit (sign bit) is cleared. Lower case | |
| 87 letters are displayed in reverse video. If the high order bit of | |
| 88 the character is set it is assumed to be a "Semigraphic 6" graphics | |
|
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89 box. See the &make; Computer manual for an explanation of semigraphics |
| 146 | 90 functions. |
| 91 </para> | |
| 92 | |
| 93 <table frame="none"> | |
| 94 <title>Alpha Mode Command Codes</title> | |
| 95 <tgroup cols="2"> | |
| 96 <colspec colwidth="0.6in"> | |
| 97 <colspec colwidth="4in"> | |
| 98 <thead> | |
| 99 <row rowsep=1> | |
| 100 <entry>Control Code</entry> | |
| 101 <entry>Name/Function</entry> | |
| 102 </row> | |
| 103 </thead> | |
| 104 <tbody> | |
| 105 <row> | |
| 106 <entry>01</entry> | |
| 107 <entry>HOME - return cursor to upper left hand corner of screen</entry> | |
| 108 </row> | |
| 109 <row> | |
| 110 <entry>02</entry> | |
| 111 <entry>CURSOR XY - move cursor to character X of line Y. The | |
| 112 binary value minus 32 of the two characters following | |
| 113 the control character are used as the X and Y | |
| 114 coordinates. For example, to position the cursor at character 5 of line 10, | |
| 115 you must give X=37 and Y42</entry> | |
| 116 </row> | |
| 117 <row> | |
| 118 <entry>03</entry> | |
| 119 <entry>ERASE LINE - erases all characters on the cursor's line.</entry> | |
| 120 </row> | |
| 121 <row> | |
| 122 <entry>06</entry> | |
| 123 <entry>CURSOR RIGHT - move cursor right one character position</entry> | |
| 124 </row> | |
| 125 <row> | |
| 126 <entry>08</entry> | |
| 127 <entry>CURSOR LEFT - move cursor left one character position</entry> | |
| 128 </row> | |
| 129 <row> | |
| 130 <entry>09</entry> | |
| 131 <entry>CURSOR UP - move cursor up one line</entry> | |
| 132 </row> | |
| 133 <row> | |
| 134 <entry>10</entry> | |
| 135 <entry>CURSOR DOWN (linefeed) move cursor down one line</entry> | |
| 136 </row> | |
| 137 <row> | |
| 138 <entry>12</entry> | |
| 139 <entry>CLEAR SCREEN - erase entire screen and home cursor</entry> | |
| 140 </row> | |
| 141 <row> | |
| 142 <entry>13</entry> | |
| 143 <entry>RETURN - return cursor to leftmost character of line</entry> | |
| 144 </row> | |
| 145 <row> | |
| 146 | |
| 147 <entry>14</entry> | |
| 148 <entry>DISPLAY ALPHA - switch screen from graphic mode to alpha | |
| 149 numeric mode</entry> | |
| 150 </row> | |
| 151 </tbody> | |
| 152 </tgroup> | |
| 153 </table> | |
| 154 | |
| 155 </section> | |
| 156 <section> | |
| 157 <title>Graphics Mode Display</title> | |
| 158 <para> | |
| 159 This mode is used to display high-resolution 2- or 4-color | |
| 160 graphics, and it includes commands to: set color; plot and erase | |
| 161 individual points; draw and erase lines; position the graphics | |
| 162 cursor; and draw circles. | |
| 163 </para> | |
| 164 <para> | |
| 165 The DISPLAY GRAPHICS command must be executed before any other | |
| 166 graphics mode command is used. It causes the graphics screen to be | |
| 167 displayed and sets a current display format and color. The Li.u.t | |
| 168 time the DISPLAY GRAPHICS command is given, a 6144 byte display | |
| 169 memory is allocated by OS-9, so there must be at least this much | |
| 170 continuous free memory available (the OS-9 "MFREE" command can be | |
| 171 used to check free memory). This memory is retained until the END | |
| 172 GRAPHICS command is given, even if the program that initiated | |
| 173 Graphics mode finishes, so it important that the END GRAPHICS | |
| 174 command be used to give up the display memory when Graphics mode is | |
| 175 no longer needed. | |
| 176 </para> | |
| 177 <para> | |
| 178 Graphics mode supports two basic formats: Two-Color which has | |
| 179 256 horizontal by 192 vertical points (G6R mode); and Four Color | |
| 180 which has 128 horizontal by 192 vertical points (G6C mode). Two | |
| 181 color sets are available in either mode. Regardless of the | |
| 182 resolution of the format selected, all Graphics mode commands use a | |
| 183 256 by 192 point coordinate system. The X and Y coordinates are | |
| 184 always positive numbers which assume that point 0,0 is the lower | |
| 185 lefthand corner of the screen. | |
| 186 </para> | |
| 187 <para> | |
| 188 An invisible Graphics Cursor is used by many command to reduce | |
| 189 the amount of output required to generate graphics. This cursor can | |
| 190 be explicitly set to any point using the SET GRAPHICS CURSOR | |
| 191 command. Also, all other commands that include X,Y coordinates | |
| 192 (such as SET POINT) move the graphics cursor to the specified | |
| 193 position. | |
| 194 </para> | |
| 195 <table frame="none"> | |
| 196 <title>Graphics Mode Selection Codes</title> | |
| 197 <tgroup cols="2"> | |
| 198 <colspec colwidth="1in"> | |
| 199 <colspec colwidth="3in"> | |
| 200 <thead> | |
| 201 <row rowsep=1> | |
| 202 <entry>Code</entry> | |
| 203 <entry>Format</entry> | |
| 204 </row> | |
| 205 </thead> | |
| 206 <tbody> | |
| 207 <row> | |
| 208 <entry>00</entry> | |
| 209 <entry>256 x 192 two-color graphics</entry> | |
| 210 </row> | |
| 211 <row> | |
| 212 <entry>01</entry> | |
| 213 <entry>128 x 192 four-color graphics</entry> | |
| 214 </row> | |
| 215 </tbody> | |
| 216 </tgroup> | |
| 217 </table> | |
| 218 | |
| 219 | |
| 220 <table frame="none"> | |
| 221 <title>Color Set and Current Foreground Color Selection Codes</title> | |
| 222 <tgroup cols="6"> | |
| 223 <colspec colname="c1" colwidth="0.5in"> | |
| 224 <colspec colname="c2" colwidth="0.4in"> | |
| 225 <colspec colname="c3" colwidth="1in"> | |
| 226 <colspec colname="c4" colwidth="1in"> | |
| 227 <colspec colname="c5" colwidth="1in"> | |
| 228 <colspec colname="c6" colwidth="1in"> | |
| 229 <thead> | |
| 230 <row> | |
| 231 <entry align="center" namest="c3" nameend="c4">Two Color Format</entry> | |
| 232 <entry align="center" namest="c5" nameend="c6">Four Color Format</entry> | |
| 233 </row> | |
| 234 <row> | |
| 235 <entry align="center" namest="c2">Char</entry> | |
| 236 <entry namest="c3">Background</entry> | |
| 237 <entry namest="c4">Foreground</entry> | |
| 238 <entry namest="c5">Background</entry> | |
| 239 <entry namest="c6">Foreground</entry> | |
| 240 </row> | |
| 241 </thead> | |
| 242 <tbody> | |
| 243 <row> | |
| 244 <entry morerows=3 valign=middle>Color Set 1</entry> | |
| 245 <entry align="center">00</entry> | |
| 246 <entry align="left">Black</entry> | |
| 247 <entry align="left">Black</entry> | |
| 248 <entry align="left">Green</entry> | |
| 249 <entry align="left">Green</entry> | |
| 250 </row> | |
| 251 <row> | |
| 252 <entry align="center">01</entry> | |
| 253 <entry align="left">Black</entry> | |
| 254 <entry align="left">Green</entry> | |
| 255 <entry align="left">Green</entry> | |
| 256 <entry align="left">Yellow</entry> | |
| 257 </row> | |
| 258 <row> | |
| 259 <entry align="center">02</entry> | |
| 260 <entry namest="c5" align="left">Green</entry> | |
| 261 <entry align="left">Blue</entry> | |
| 262 </row> | |
| 263 <row rowsep=1> | |
| 264 <entry align="center">03</entry> | |
| 265 <entry namest="c5" align="left">Green</entry> | |
| 266 <entry align="left">Red</entry> | |
| 267 </row> | |
| 268 <row> | |
| 269 <entry morerows=3 valign=middle>Color Set 2</entry> | |
| 270 <entry align="center">04</entry> | |
| 271 <entry align="left">Black</entry> | |
| 272 <entry align="left">Black</entry> | |
| 273 <entry align="left">Buff</entry> | |
| 274 <entry align="left">Buff</entry> | |
| 275 </row> | |
| 276 <row> | |
| 277 <entry align="center" namest="c2">05</entry> | |
| 278 <entry align="left">Black</entry> | |
| 279 <entry align="left">Buff</entry> | |
| 280 <entry align="left">Buff</entry> | |
| 281 <entry align="left">Cyan</entry> | |
| 282 </row> | |
| 283 <row> | |
| 284 <entry align="center" namest="c2">06</entry> | |
| 285 <entry namest="c5" align="left">Buff</entry> | |
| 286 <entry align="left">Magenta</entry> | |
| 287 </row> | |
| 288 <row rowsep=1> | |
| 289 <entry align="center" namest="c2">07</entry> | |
| 290 <entry namest="c5" align="left">Buff</entry> | |
| 291 <entry align="left">Orange</entry> | |
| 292 </row> | |
| 293 <row> | |
| 294 <entry morerows=3 valign=middle>Color Set 3*</entry> | |
| 295 <entry align="center">08</entry> | |
| 296 <entry namest="c5" align="left">Black</entry> | |
| 297 <entry align="left">Black</entry> | |
| 298 </row> | |
| 299 <row> | |
| 300 <entry align="center" namest="c2">09</entry> | |
| 301 <entry namest="c5" align="left">Black</entry> | |
| 302 <entry align="left">Dark Green</entry> | |
| 303 </row> | |
| 304 <row> | |
| 305 <entry align="center" namest="c2">10</entry> | |
| 306 <entry namest="c5" align="left">Black</entry> | |
| 307 <entry align="left">Med. Green</entry> | |
| 308 </row> | |
| 309 <row rowsep=1> | |
| 310 <entry align="center" namest="c2">11</entry> | |
| 311 <entry namest="c5" align="left">Black</entry> | |
| 312 <entry align="left">Light Green</entry> | |
| 313 </row> | |
| 314 <row> | |
| 315 <entry morerows=3 valign=middle>Color Set 4*</entry> | |
| 316 <entry align="center">12</entry> | |
| 317 <entry namest="c5" align="left">Black</entry> | |
| 318 <entry align="left">Black</entry> | |
| 319 </row> | |
| 320 <row> | |
| 321 <entry align="center" namest="c2">13</entry> | |
| 322 <entry namest="c5" align="left">Black</entry> | |
| 323 <entry align="left">Green</entry> | |
| 324 </row> | |
| 325 <row> | |
| 326 <entry align="center" namest="c2">14</entry> | |
| 327 <entry namest="c5" align="left">Black</entry> | |
| 328 <entry align="left">Red</entry> | |
| 329 </row> | |
| 330 <row> | |
| 331 <entry align="center" namest="c2">15</entry> | |
| 332 <entry namest="c5" align="left">Black</entry> | |
| 333 <entry align="left">Buff</entry> | |
| 334 </row> | |
| 335 </tbody> | |
| 336 </tgroup> | |
| 337 </table> | |
| 338 | |
| 339 <para> | |
| 340 * Color sets 3 and 4 not available on PAL video system (European) | |
| 341 models. These color sets work only with NTSC (U.S., Canada, Japan) | |
| 342 models. | |
| 343 </para> | |
| 344 | |
| 345 <table frame="none"> | |
| 346 <title>Graphics Mode Control Commands</title> | |
| 347 <tgroup cols="2"> | |
| 348 <colspec colname="c1" colwidth="0.8in"> | |
| 349 <colspec colname="c1" colwidth="4in"> | |
| 350 <thead> | |
| 351 <row rowsep="1"> | |
| 352 <entry>Control Code</entry> | |
| 353 <entry>Name/Function</entry> | |
| 354 </row> | |
| 355 </thead> | |
| 356 <tbody> | |
| 357 <row> | |
| 358 <entry>15</entry> | |
| 359 <entry>DISPLAY GRAPHICS - switches screen to graphics mode. | |
| 360 This command must be given before any other | |
| 361 graphics commands are used. The first time this command | |
| 362 is given, a 6K byte display buffer is assigned. If 6K of | |
| 363 contiguous memory is not available an error is returned. | |
| 364 This command is followed by two characters which specify | |
| 365 the graphics mode and current color/color set, respectively.</entry> | |
| 366 </row> | |
| 367 <row> | |
| 368 <entry>16</entry> | |
| 369 <entry>PRESET SCREEN - presets entire screen to color code | |
| 370 passed in next character.</entry> | |
| 371 </row> | |
| 372 <row> | |
| 373 <entry>17</entry> | |
| 374 <entry>SET COLOR - selects foreground color (and color set) | |
| 375 passed in next character, but does not change graphics | |
| 376 mode.</entry> | |
| 377 </row> | |
| 378 <row> | |
| 379 <entry>18</entry> | |
| 380 <entry>QUIT GRAPHICS - disables graphics mode and returns the | |
| 381 6K byte graphics memory area to OS-9 for other use, and | |
| 382 switches to alpha mode.</entry> | |
| 383 </row> | |
| 384 <row> | |
| 385 <entry>19</entry> | |
| 386 <entry>ERASE GRAPHICS - erases all points to background color | |
| 387 and homes graphics cursor to the desired position.</entry> | |
| 388 </row> | |
| 389 <row> | |
| 390 <entry>20</entry> | |
| 391 <entry>HOME GRAPHICS CURSOR - moves graphics cursor to coordinates | |
| 392 0,0 (lower left hand corner).</entry> | |
| 393 </row> | |
| 394 <row> | |
| 395 <entry>21</entry> | |
| 396 <entry>SET GRAPHICS CURSOR - moves graphics cursor to given | |
| 397 coordinates X,Y. The binary value of the two characters that immediately | |
| 398 follow are used as the X and Y values, respectively.</entry> | |
| 399 </row> | |
| 400 <row> | |
| 401 <entry>22</entry> | |
| 402 <entry>DRAW LINE - draws a line of the current foreground | |
| 403 color from the current graphics cursor position to the | |
| 404 given X,Y coordinates. The binary value of the two | |
| 405 characters that immediately follow are used as the X | |
| 406 and Y values, respectively. The graphics cursor is | |
| 407 moved to the end point of the line.</entry> | |
| 408 </row> | |
| 409 <row> | |
| 410 <entry>23</entry> | |
| 411 <entry>ERASE LINE - same as DRAW LINE except the line is | |
| 412 "drawn" in the current background color, thus erasing | |
| 413 the line.</entry> | |
| 414 </row> | |
| 415 <row> | |
| 416 <entry>24</entry> | |
| 417 <entry>SET POINT - sets the pixel-at point X,Y to the current | |
| 418 foreground color. The binary value of the two | |
| 419 characters that immediately follow are used as the x | |
| 420 and Y values, respectively. The graphics cursor is | |
| 421 moved to the point Set.</entry> | |
| 422 </row> | |
| 423 <row> | |
| 424 <entry>25</entry> | |
| 425 <entry>ERASE POINT - same as DRAW POINT except the point is | |
| 426 "drawn" in the current background color, thus erasing | |
| 427 the point.</entry> | |
| 428 </row> | |
| 429 <row> | |
| 430 <entry>26</entry> | |
| 431 <entry>DRAW CIRCLE - draws a circle of the current foreground | |
| 432 color with its center at the current graphics cursor | |
| 433 position using a radius R which is obtained using the | |
| 434 binary value of the next character. The graphics | |
| 435 cursor position is not affected by this command.</entry> | |
| 436 </row> | |
| 437 </tbody> | |
| 438 </tgroup> | |
| 439 </table> | |
| 440 | |
| 441 </section> | |
| 442 <section> | |
| 443 <title>Get Status Commands</title> | |
| 444 <para> | |
|
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445 The &make; Computer I/O driver includes OS-9 Get Status |
| 146 | 446 commands that return the display status and joystick values, |
| 447 respectively. These are accessable via the Basic09 Graphics | |
| 448 Interface Module, or by the assembly language system calls listed | |
| 449 below: | |
| 450 </para> | |
| 451 <para> | |
| 452 GET DISPLAY STATUS: | |
| 453 </para> | |
| 454 <informaltable frame="none"> | |
| 455 <tgroup cols="2"> | |
| 456 <colspec colwidth="2in"> | |
| 457 <colspec colwidth="3in"> | |
| 458 <tbody> | |
| 459 <row> | |
| 460 <entry>Calling Format</entry> | |
| 461 <entry><literallayout class="Monospaced">lda #1 (path number) | |
| 462 ldb #SS.DStat (Getstat code $12) | |
| 463 os9 I$GSTT call OS-9</literallayout></entry> | |
| 464 </row> | |
| 465 <row> | |
| 466 <entry>Passed</entry> | |
| 467 <entry>nothing</entry> | |
| 468 </row> | |
| 469 <row> | |
| 470 <entry>Returns</entry> | |
| 471 <entry><literallayout>X = address of graphics display memory | |
| 472 Y = graphics cursor address x=MSB y =LSB | |
| 473 A = color code of pixel at cursor address</literallayout></entry> | |
| 474 </row> | |
| 475 </tbody> | |
| 476 </tgroup> | |
| 477 </informaltable> | |
| 478 <para> | |
| 479 GET JOYSTICK VALUES: | |
| 480 </para> | |
| 481 <informaltable frame="none"> | |
| 482 <tgroup cols="2"> | |
| 483 <colspec colwidth="2in"> | |
| 484 <colspec colwidth="3in"> | |
| 485 <tbody> | |
| 486 <row> | |
| 487 <entry>Calling Format</entry> | |
| 488 <entry><literallayout class="Monospaced">lda #1 (path number) | |
| 489 ldb #SS.Joy (Getstat code $13) | |
| 490 os9 I$GSTT call OS-9</literallayout></entry> | |
| 491 </row> | |
| 492 <row> | |
| 493 <entry>Passed</entry> | |
| 494 <entry>X = 0 for right joystick; 1 for left joystick</entry> | |
| 495 </row> | |
| 496 <row> | |
| 497 <entry>Returns</entry> | |
| 498 <entry><literallayout>X = selected joystick x value (0-63) | |
| 499 Y = selected joystick y value (0-63) | |
| 500 A = $FF if fire button on; $00 if off</literallayout></entry> | |
| 501 </row> | |
| 502 </tbody> | |
| 503 </tgroup> | |
| 504 </informaltable> | |
| 505 | |
| 506 <table frame="none"> | |
| 507 <title>Display Control Codes Condensed Summary</title> | |
| 508 <tgroup cols="4"> | |
| 509 <colspec colwidth="0.9in"> | |
| 510 <colspec colwidth="0.9in"> | |
| 511 <colspec colwidth="0.9in"> | |
| 512 <colspec colwidth="2.5in"> | |
| 513 <thead> | |
| 514 <row rowsep="1"> | |
| 515 <entry>1st Byte</entry> | |
| 516 <entry>2nd Byte</entry> | |
| 517 <entry>3rd Byte</entry> | |
| 518 <entry>Function</entry> | |
| 519 </row> | |
| 520 </thead> | |
| 521 <tbody> | |
| 522 <row> | |
| 523 <entry>00</entry> | |
| 524 <entry></entry> | |
| 525 <entry></entry> | |
| 526 <entry>Null</entry> | |
| 527 </row> | |
| 528 <row> | |
| 529 <entry>01</entry> | |
| 530 <entry></entry> | |
| 531 <entry></entry> | |
| 532 <entry>Home Alpha Cursor</entry> | |
| 533 </row> | |
| 534 <row> | |
| 535 <entry>02</entry> | |
| 536 <entry>Column+32</entry> | |
| 537 <entry>Row+32</entry> | |
| 538 <entry>Position Alpha Cursor</entry> | |
| 539 </row> | |
| 540 <row> | |
| 541 <entry>03</entry> | |
| 542 <entry></entry> | |
| 543 <entry></entry> | |
| 544 <entry>Erase Line</entry> | |
| 545 </row> | |
| 546 <row> | |
| 547 <entry>06</entry> | |
| 548 <entry></entry> | |
| 549 <entry></entry> | |
| 550 <entry>Cursor Right</entry> | |
| 551 </row> | |
| 552 <row> | |
| 553 <entry>08</entry> | |
| 554 <entry></entry> | |
| 555 <entry></entry> | |
| 556 <entry>Cursor Left</entry> | |
| 557 </row> | |
| 558 <row> | |
| 559 <entry>09</entry> | |
| 560 <entry></entry> | |
| 561 <entry></entry> | |
| 562 <entry>Cursor Up</entry> | |
| 563 </row> | |
| 564 <row> | |
| 565 <entry>10</entry> | |
| 566 <entry></entry> | |
| 567 <entry></entry> | |
| 568 <entry>Cursor Down</entry> | |
| 569 </row> | |
| 570 <row> | |
| 571 <entry>12</entry> | |
| 572 <entry></entry> | |
| 573 <entry></entry> | |
| 574 <entry>Clear Screen</entry> | |
| 575 </row> | |
| 576 <row> | |
| 577 <entry>13</entry> | |
| 578 <entry></entry> | |
| 579 <entry></entry> | |
| 580 <entry>Carriage Return</entry> | |
| 581 </row> | |
| 582 <row> | |
| 583 <entry>14</entry> | |
| 584 <entry></entry> | |
| 585 <entry></entry> | |
| 586 <entry>Select Alpha Mode</entry> | |
| 587 </row> | |
| 588 <row> | |
| 589 <entry>15</entry> | |
| 590 <entry>Mode</entry> | |
| 591 <entry>Color Code</entry> | |
| 592 <entry>Select Graphics Mode</entry> | |
| 593 </row> | |
| 594 <row> | |
| 595 <entry>16</entry> | |
| 596 <entry>Color Code</entry> | |
| 597 <entry></entry> | |
| 598 <entry>Preset Screen</entry> | |
| 599 </row> | |
| 600 <row> | |
| 601 <entry>17</entry> | |
| 602 <entry>Color Code</entry> | |
| 603 <entry></entry> | |
| 604 <entry>Select Color</entry> | |
| 605 </row> | |
| 606 <row> | |
| 607 <entry>18</entry> | |
| 608 <entry></entry> | |
| 609 <entry>Quit Graphics Mode</entry> | |
| 610 </row> | |
| 611 <row> | |
| 612 <entry>19</entry> | |
| 613 <entry></entry> | |
| 614 <entry>Erase Screen</entry> | |
| 615 </row> | |
| 616 <row> | |
| 617 <entry>20</entry> | |
| 618 <entry></entry> | |
| 619 <entry>Home Graphics Cursor</entry> | |
| 620 </row> | |
| 621 <row> | |
| 622 <entry>21</entry> | |
| 623 <entry>X Coord</entry> | |
| 624 <entry>Y Coord</entry> | |
| 625 <entry>Move Graphics Cursor</entry> | |
| 626 </row> | |
| 627 <row> | |
| 628 <entry>22</entry> | |
| 629 <entry>X Coord</entry> | |
| 630 <entry>Y Coord</entry> | |
| 631 <entry>Draw Line to X/Y</entry> | |
| 632 </row> | |
| 633 <row> | |
| 634 <entry>23</entry> | |
| 635 <entry>X Coord</entry> | |
| 636 <entry>Y Coord</entry> | |
| 637 <entry>Erase Line to X/Y</entry> | |
| 638 </row> | |
| 639 <row> | |
| 640 <entry>24</entry> | |
| 641 <entry>X Coord</entry> | |
| 642 <entry>Y Coord</entry> | |
| 643 <entry>Set Point at X/Y</entry> | |
| 644 </row> | |
| 645 <row> | |
| 646 <entry>25</entry> | |
| 647 <entry>X Coord</entry> | |
| 648 <entry>Y Coord</entry> | |
| 649 <entry>Clear Point at X/Y</entry> | |
| 650 </row> | |
| 651 <row> | |
| 652 <entry>26</entry> | |
| 653 <entry>Radius</entry> | |
| 654 <entry></entry> | |
| 655 <entry>Draw Circle</entry> | |
| 656 </row> | |
| 657 </tbody> | |
| 658 </tgroup> | |
| 659 </table> | |
| 660 | |
| 661 </section> | |
| 662 </appendix> |