IBM 5150 PC Technical Reference (6025005, August, 1981) (PDF)

laC OBJ LINE SOURCE
3157 (AH}=6 SCROLL ACTIVE PAGE UP
3158 {AU ;; NUMBER OF LINES. INPUT LINES BLANKED AT BOTTon OF WINDOW
3159 At :: 0 MEANS BLANK ENTIRE WINlOW
3160 (CH,ell :; IWW.COLUMN OF UPPER lEFT CORNER OF SCROLL
3161 IDH.OLl :; ROW,COLUMN OF LOWER RIGHT CORNER Of $CROLl
3162 f BH) :: ATTRIBUTE TO BE USED ON BLANK LINE
3163 (AH)=7 SCROLL ACTIVE PAGE DOWN
3164 (AU:; HUMBER OF LINES. INPUT LINES BLANKED AT TOP OF wINOOW
3165 AL = 0 HEANS BLANK ENTIRE WINDOW
3166- (CH.CLI :; ROW,COLUMN OF UPPER LEFT CORNER OF SCROLL
3167 IDH,DU = ROW,COllJHN OF LOWER RIGHT CORNER OF SCROLL
3168 (BH) = ATTRIBUTE TO BE USED ON BLANK LINE
3169
3170 CHARACTER HANDLING ROUTINES
3171
3172 I AH I = 8 READ ATTRIBUTE/CHARACTER AT CURRENT CURSOR POSITION
3173 ISHI = DISPLAY PAGE IVALID FOR ALPHA NODES ONLYI
3174 ON EXIT:
3175 I ALI = CHAR READ
3176 IAH I ::I ATTRIBUTE Of CHARACTER READ (ALPHA MODES ONLY)
3177 UH) = 9 WRITE ATTRIBUTE/CHARACTER AT CURRENT CURSOR POSITION
3178 {BHI = DISPLAY PAGE IVALID FOR ALPHA MODES ONLY)
3179 I CX I = coutrr OF CHARACTERS TO WRITE
3180 tAL) = CHAR TO WRITE
3181 IBU = ATTRIBUTE OF CHARACTER ULPHA)/COLOR OF CHAR (GRAPHICSI
3182 SEE NOTE ON WRITE DOT FOR BIT 7 OF BL = 1.
3183 (AH) = 10 WRITE CHARACTER ONLY AT CURRENT CURSOR POSITION
3184 (BHI = DISPLAY PAGE IVALID FOR ALPHA I10DES ONLY)
3185 I CX I = COUNT Of CHARACTERS TO WRITE
3186 I AL) = CHAR TO WRITE
3187 FOR READ/WRITE CHARACTER INTERfACE WHILE IN GRAPHICS I1DDE, THE
3188 CHARACTERS ARE FORNED FROM A CHARACTER GEHERATOR IMAGE
3189 MAINTAINED IN THE SYSTEM RON. ONLY THE 1ST 12:8 CHARS
3190 ARE CONTAINED THERE. TO READ/WRITE THE SECOND 128 CHARS,
3191 THE USER MUST INITIALIZE THE POINTER AT ItlTERRUPT IFH
)192 (LOCATION 0007CH I TO POINT TO THE lK BYTE TABLE CONTAINING
3193 THE CODE POINTS FOR THE SECOND 128 CHARS (128-2551.
3194 fOR WRITE CHARACTER INTERFACE IN GRAPI-lICS NODE, THE REPLICATION FACTOR
3195 CONTAINED IN (CX) ON ENTRY IoIIlL PRODUCE VALID RESULTS ONLY
3196 FOR CHAP-ACTERS CONTAINED ON THE SANE ROW. COmHlUATION TO
3197 SUCCEEOHIG LINES WILL NOT PRODUCE CORREtHY.
3198
3199 GRAPHICS INTERFACE
3£:00 (AH I = 11 SET COLOR PALETTE
3:::01
3202
(eH I = PALLETTE COLOR 10 BEING SET (0..1271
(eu = COLOR VALUE TO BE USEO WIT$i THAT COLOR 10
3203 NOTE: fOR THE CUPRENT COLO~ CARD. THIS ENTRY POINT ftAS
320