IBM 5150 - Page 237

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 $CROLl
3162
f BH) :: ATTRIBUTE TO BE USED ON BLANK LINE
3163
(AH)=7 SCROLL ACTIVE PAGE DOWN
3164
(AU:; HUMBER OF LINES. INPUT LINES BLANKED AT TOP OF wINOOW
3165
AL = 0 HEANS BLANK ENTIRE WINDOW
3166-
(CH.CLI :; ROW,COLUMN OF UPPER LEFT CORNER OF SCROLL
3167
IDH,DU = ROW,COllJHN OF LOWER RIGHT CORNER OF SCROLL
3168 (BH) = ATTRIBUTE TO BE USED ON BLANK LINE
3169
3170 CHARACTER HANDLING ROUTINES
3171
3172
I
AH I = 8 READ ATTRIBUTE/CHARACTER AT CURRENT CURSOR POSITION
3173 ISHI = DISPLAY PAGE IVALID FOR ALPHA NODES ONLYI
3174
ON EXIT:
3175
I ALI = CHAR READ
3176
IAH I ::I ATTRIBUTE Of CHARACTER READ (ALPHA MODES ONLY)
3177
UH) = 9 WRITE ATTRIBUTE/CHARACTER AT CURRENT CURSOR POSITION
3178
{BHI
= DISPLAY PAGE IVALID FOR ALPHA MODES ONLY)
3179
I CX I = coutrr OF CHARACTERS TO WRITE
3180 tAL) = CHAR TO WRITE
3181 IBU =ATTRIBUTE OF CHARACTER ULPHA)/COLOR OF CHAR (GRAPHICSI
3182
SEE NOTE ON WRITE DOT FOR BIT 7 OF BL = 1.
3183
(AH) = 10 WRITE CHARACTER ONLY AT CURRENT CURSOR POSITION
3184 (BHI = DISPLAY PAGE IVALID FOR ALPHA I10DES ONLY)
3185 I CX I = COUNT Of CHARACTERS TO WRITE
3186 I AL) = CHAR TO WRITE
3187 FOR READ/WRITE CHARACTER INTERfACE WHILE IN GRAPHICS I1DDE, THE
3188
CHARACTERS ARE FORNED FROM A CHARACTER GEHERATOR IMAGE
3189
MAINTAINED IN THE SYSTEM RON. ONLY THE 1ST 12:8 CHARS
3190 ARE CONTAINED THERE. TO READ/WRITE THE SECOND 128 CHARS,
3191 THE USER MUST INITIALIZE THE POINTER AT ItlTERRUPT IFH
)192
(LOCATION 0007CH I
TO POINT TO THE lK BYTE TABLE CONTAINING
3193
THE CODE POINTS FOR THE SECOND 128 CHARS (128-2551.
3194 fOR WRITE CHARACTER INTERFACE IN GRAPI-lICS NODE, THE REPLICATION FACTOR
3195
CONTAINED IN (CX) ON ENTRY IoIIlL PRODUCE VALID RESULTS ONLY
3196 FOR CHAP-ACTERS CONTAINED ON THE SANE ROW. COmHlUATION TO
3197 SUCCEEOHIG LINES WILL NOT PRODUCE CORREtH Y.
3198
3199
GRAPHICS INTERFACE
3£:00 (AH I = 11 SET COLOR PALETTE
3:::01 (eH I = PALLETTE COLOR 10 BEING SET (0 .. 1271
3202 (eu = COLOR VALUE TO BE USEO WIT$i THAT COLOR 10
3203
NOTE: fOR THE CUPRENT COLO~ CARD. THIS ENTRY POINT ftAS
320<\
NEANING ONLY FOR 320X200 GRAPHICS.
nos
tOLOR
Io =0 SELECTS THE BACKGROUND COLOR CO-IS)
)206 COLOR ID = 1 SELECTS THE PAllETTE TO BE USED;
3207
o = GREEN( 1 )/REO( 2 )/YELLOWI 3)
3208
1::: CYAN(1)II1AGENTA(2)/WHITE(])
3209
IN 40X25 OR aOX25 ALPHA MODES, THE VALUE SET FOR
3210
PAllETTE COLOR 0 INDICATES THE BORDER COLOR
3211
TO BE USED (VALUES 0-31, WHERE 16-31 SElECT THE
3212 HIGH INTENSITY BACKGROUND SET.
3213 IAHl = 12 WRITE DOT
3214 (OX) = ROW W1BER
3215
ICX) = COLUMN HUMBER
3216 I AL) = COLOR VALUE
3217
If BIT 7 OF AL = 1, THEN THE COLOR VALUE· IS EXCLUSIVE
32:18
OR'O WITH THE CURRENT CONTENTS Of THE DOT
32:19
IAHI = 13 READ DOT
3220
(OX, = ROW NUMBER
3221 (CX I = COLt.If1H NUMBER
322:2
I ALI RETURNS THE DOT READ
3223
; ASCII TELETYPE ROUTINE fOR OUTPUT
~~~.
3226
lAM) = 14 WRITE TELETYPE
3227
(Al) = CHAR TO WRITE
3228
(ell = fOREGROUND COLOR IN GRAPHICS tfODE
3229
IBH) = DISPLAY PAGE IN ALPHA MODE
3230 NOTE -- SCREEN WIDTH IS CONTROLLED BY PREVIOUS MODE SET
3231
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