IBM RT Series Hardware Reference Manual page 246

253 C
254 C
255 C NOTE: THE FOLLOWING INTERFACE IS DESIGNED TO BE
256 C CALLED ONLY IMMEDIATELY AFTER A MODE SET HAS
257 C BEEN ISSUED. FAILURE TO ADHERE TO THIS PRACTICE
258 C MAY CAUSE UNDETERM I NED RESULTS.
259 C
260 C AL
=
20 USER GRAPHICS CHARS INT 01FH (8X8)
261 C ES:BP - POINTER TO CSER TABLE
262 C AL
= 21
USER GRAPH I CS CHARS
263 C ES:BP - POINTER TO USER TABLE
264 C CX - PO I NTS (BYTES PER CHARACTER)
265 C BL - ROW SPEC I F I ER
266 C
267 C BL = 0 USER
268 C DL - ROWS
269 C BL = I 14 (OEH)
270 C BL
=
2 25 (19H)
271 C BL
=
3 43 (2BH)
272 C
273 C AL = 22 ROM 8 X 14 SET
274 C BL - ROW SPECI FI ER
275 C AL = 23 ROM 8 X 8 DOUBLE DOT
276 C BL - ROW SPECI FI ER
277 C
278 C
279 C AL
=
30 INFORMATION
280 C CX - POI NTS
281 C DL - ROWS
282 C BH - 0 RETURN CURRENT I NT I FH PTR
283 C ES: BP - PTR TO TABLE
284 C BH - I RETURN CURRENT I NT 44H PTR
285 C ES: BP - PTR TO TABLE
286 C BH - 2 RETURN ROM 8 X 14 PTR
287 C ES:BP - PTR TO TABLE
288 C BH - 3 RETURN ROM DOUBLE DOT PTR
289 C ES: BP - PTR TO TABLE
290 C BH - 4 RETURN ROM DOUBLE DOT PTR (TOP)
291 C ES: BP - PTR TO TABLE
292 C BH - 5 RETURN ROM ALPHA ALTERNATE 9X14
293 C ES: BP - PTR. TO TABLE
294 C
295 C (AH) = I 2 ALTERNATE SELECT
296 C
297 C BL
=
10 RETURN EGA I NFORMAT I ON
298 C BH = 0 - COLOR MODE I N EFFECT <3><D><X>
299 C I - MONOC MODE I N EFFECT <3><B><X>
300 C BL = MEMORY VALUE
301 C 00-064K 01-128K
302 C 1 0 - 192K 1 1 - 256K
303 C CH = FEATURE BITS
304 C CL = SWITCH SETTING
305 C
306 C BL = 20 SELECT ALTERNATE PRINT SCREEN ROUTINE
307 C
308 C (AH) = 13 WR I TE STR I NG
309 C ES:BP - POINTER TO STRING TO BE WRITTEN
310 C CX - CHARACTER ONLY COUNT
311 C OX - POS I T I ON TO BEG I N STR I NG, I N CURSOR
312 C TERMS
313 C BH - PAGE NUMBER
314 C
315 C AL = 0
316 C BL - ATTRIBUTE
317 C STRING - (CHAR, CHAR, CHAR, ... )
318 C CURSOR NOT MOVED
319 C AL = 1
320 C BL - ATTR I BUTE
321 C STR I NG - (CHAR, CHAR, CHAR, ••• )
322 C CURSOR I S MOVED
323 C AL = 2
324 C STRING - (CHAR, ATTR, CHAR, ATTR, ••• )
325 C CURSOR NOT MOVED
326 C AL
= 3
327 C STR I NG - (CHAR, ATTR, CHAR, ATTR, ••• )
328 C CURSOR I S MOVED
329 C
330 C NOTE : CHAR RET, LINE FEED, BACKSPACE, AND BELL ARE
331 C TREATED AS COMMANDS RATHER THAN PRINTABLE
332 C CHARACTERS.
333 C
334 C --- -- -- -- - -- - -- -- - - -- - -- - -- - - - - --- - --- - - ---- - - -- - --- - --- - -- - --- - - -------
335 C
336 C SRLOAD MACRO SEGREG, VALUE
337 C I FNB <VALUE>
338 C
IFIDN <VALUE>,<O>
339 C
SUB OX,DX
340 C
ELSE
341
C
MOV OX, VALUE
342 C ENOl F
343 C ENOl F
344 C IF WNR
345 C MOV AH,08FH
346 C
I NT 15H
347
C
ENOl F
348 C
MOV SEGREG, OX
349
C
ENOM
350 C
351 C WIN
MACRO
352 C
IF WNR
353 C
MOV AH,08EH
354 C
I NT 15H
355 C ENOl F
356 C IN AL,DX
357 C ENDM
358 C
359 C WOUT
MACRO
360 C
IF WNR
361 C PUSH AX
362 C
MOV
AH,08DH
363 C
I NT
15H
364 C
ENOl F
365 C
OUT OX,AL
366 C
IF WNR
367 C
POP
368 C END IF
369 C ENDM
370 C
371 C WLXS MACRO SEGREG, TARGREG, VALUE
372 C IF WNR
373 C PUSH OX
374 C MOV TARGREG, VALUE
375 C SRLOAO SEGREG, VALUE+2
376 C POP OX
377 C ELSE
378 C L&SEGREG TARGREG, VALUE
106 IBM Enhanced Graphics Adapter