ATARI PASCAL LANGUAGE SYSTEM - Strotmann.de

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3 . 2 D a t a A l l o c a t i o n an d Pa ramet e~ Pa s s i n g3 . 2. 1 D a t a A l l o c a t i o nIn add i t i on t o ac c ess ing v ar i a b les b y name> you m ust k no lv hornv a r i a b l e s a r e a l l o c a t e d i n memor y . Se c t i o n 5 . 1 d i s c u s se s t h e s t o r a gea l l o c a t i o n an d f or ma t o f ea c h b u i l t - i n s c a l a r d a t a t y pe . V a r i a b l e sal l o c a t e d i n t h ~ QLOBAL d at a. ,a re a a r ~ al l o c at e d e s s e n t i a l l y s h e enher e. However> va r i a b l e s i n a n i d entd f i e r l i s t b efo re a ty pe (e . g. ~ 4 >8 > C : IN TKQKR) ar e al l o c a t e d i n r e ve rs e o r d er ( i . e. > C F i r s t .f o l l owi n g . b y B . F o l l owe d b y 4 ) .K xamp l e :* INTEQER>8 CH*R >'I ~ J> K BYTE>L INTEQKR >STORAQE LAYOVT:+0 A LSB+1 A MSB+ 2 B+ 3 K+4 J+5 I+6 L L SB+7 L NSBS t r u c t u r e d d a t a t y p es : ARRAYs RECORDs an d SET s r e q u i r e a d d i t i o n a le x p l a n a t i on . * R R* Ys a r e s t or e d i n RQQ ma yo r o r d er . Fo r e xamp l e4; ARRAY Cl . . 3> 1.. 3] Q F C HAR i .s s t o r e d a s :+ 0 A C l > 1 3+1 AC1. 2 )+ 2 * Cl> 3 3+3 A C2> 13w 4 A C2 . 2 3+5 * C2> 33+6 A C3> 1 )+7 AC 3> 23+8 A C3 > 33Th i s is lo g i c a l l y a o ne -d im ens i o nal a r r a y o f v e c t o r s . I n * T ARI P as c a la l l a r r a y s a r e l o g i c a l l y o n e d i me n s i ona l a r r a y s o f some o t he r t y p e .RECORDs ar e s t o r e d i n t h e same ma nner as g lo b al v a r i a b le s.
SKTs a r e a l wa y s s t o r ed as 3 2 b g t e i t e ms. E ac h e l e ment o f t h e s e t i sst or ed' es one b i t . S KTs ar e b y t e - o r i e n t e d a nd t h e l o w o r d er b i t o feac h b y t e i s t h e f i r s t b i t i n t ha t b y t e o f t h e s e t . Shown b e l our is t h es e t ' O ' . . ' Z ' :Byt e number00 0 1 0 2 0 3 O e 0 5 0 6 0 7 OS OV o a OS OC OD OE OF 10 . . . 1F00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 FK FF FF 0 7 0 0 0 0 0 0 0 0 0 0 . . . 00T he f i r s t b i t i s b i t 6 5 ( % 4 1 ) a n d i s f o un d i n b y t e S < b i t 1 . Th e l a s tb i t i s b i t 9 0 an d i s f o un d i n b y t e 11 . b i t 2 . l n t h i s d i c u s s i o n b i t 0is t h e l e a st s i g n i f i c a nt b i t i n t h e b y t e .3 0
Page 1 and 2: W ATARI' PROGRAM EXCHANGEATARI PASC
Page 3 and 4: Distributed ByThe ATARI Program Exc
Page 5: NCN-KKCMSXVE p MYALTY-FREE- LICENSE
Page 8 and 9: TABL E O F CONTENTSC H*PTER 1 :ATAR
Page 10 and 11: 3 7 5 1 2 T r i g g e r F u n c t i
Page 12 and 13: APPENDI X A :APPENDI X B :APPENDI X
Page 14 and 15: C HAP TER 1 :A TAR I PASCAL I NTROD
Page 16 and 17: I. 2 S y s t e m O ve r v i e wThe
Page 18 and 19: D i s k e t t e 2P a s c a 1 Comp i
Page 20 and 21: 2 . 1 Comp i l e L i n k an d Ru n
Page 22 and 23: T h e s y s t e m w i l 1 p r o mp
Page 24 and 25: 2 . 1. 3 R u n Sa mp l e P r o g r
Page 26 and 27: 2 . 2 . 2 Co mp i l a t i o n Da t
Page 28 and 29: g e n er a t e d w i t h e r r a r
Page 30 and 31: 2 . 2 . 4 B u i l t - i n R o u t i
Page 32 and 33: 2 . 3 L i n k e r Op e r a t i o n2
Page 34 and 35: C h e c o mp u t e r c o n s o l e
Page 36 and 37: 2. 4 Ob g ec t P ro g ra m E x ec u
Page 38 and 39: CHAPTER 3 :A T * R I PASCAL L ANQVA
Page 40 and 41: modul ~ / pro g ra m. E x t e rn a
Page 44 and 45: 3 . 2. 2 Pa r amet e r Pa s s i n g
Page 46 and 47: Example:PRQQRAN PROC2'TYPECQNNARKA
Page 48 and 49: 3. 4 . I NOVE i MOVER I QHT i NOVEL
Page 50 and 51: 3 . 4. 2 K X I TP ROCEDURE EXI T >E
Page 52 and 53: 3. 4 . 4 S HR i SHLFUNCTION SHR (BA
Page 54 and 55: 3. 4. h ADDRFUNCTI ON ADDR(VARI ABL
Page 56 and 57: 3. 4, 8 F I LLCHARPRQCKDVRK F I LLC
Page 58 and 59: 3. 4 . 10 CONCATFUNCT ION CONC AT (
Page 60 and 61: 3. 4. f.R P OSFUNCTI ON POS ( PATTE
Page 62 and 63: 3. 4 . 14 I NSERTPROCEDURE I NSERT
Page 64 and 65: 3. 4. 16 W N B~ G N SF UNC't IQN 'O
Page 66 and 67: 3. 4 . i 8 QPKNPROCEDURE QPKN ( F I
Page 68 and 69: 3. 4. 2() PURGEPROCEDURE PURGE ( F
Page 70 and 71: 3.. 4. 22 . M KH* V* I L i MAXAVA I
Page 72 and 73: 3 . 5 N o n - S t a n d a r d Da t
Page 74 and 75: T h e pr o g r a m f r agmen t b e
Page 76 and 77: T he f o l l owi n g s e c t i on s
Page 78 and 79: 3 . 7. 3. 5 C o l o r Pr o c ed u r
Page 80 and 81: 3 . 7. 5. I . 1 Pa d d l e F un c t
Page 82 and 83: m axi mum v a l u e b e i n g r e t
Page 84 and 85: 5. l. 3 I N TEGERT h e da t a Cgp e
Page 86 and 87: Th e i n d i v i d ua l c hav'a c t
Page 88 and 89: 5 . 1. 7. 4 Re a d i n g a n d Wr i
Page 90 and 91: 6 , 1 I n compa t a b i l i t i e s
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12. UCSD Pasca l daes na t f u 11g
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7 S ummav'y a f t h e AT* R I Pa s
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7 . 3 N o t a t i o n s T e r m i n
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7 . S Co n s t a n t De f i n i t i
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'" s t r u c t u r e d t y p e> «u
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7 . h. 2. 4 F i l e T y p e s' ".f
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* t a n y p l a c e wh er e t h e r
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7 . 8 E x p r e s s i on s< un s i
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7 . 9 S t a t emen t s: s t a t eme
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s e l e c t o r s . t h e p r o g r
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v a r i a b l e d e c l a r a t i o
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7 . 10 . 1. 2 D y na mi c A l l o c
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D I SPLAY I T ( A2 )(+ CAL L DISPEL
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4 3 S ( X ) Q R A BS< I ) — s p e
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n ew pr o c ed ur e s a l l o + He
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A PPENDI X 4 :LANGUAGE SYNTAX DESCR
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v a r i a n t p a r t >«'f i x ed
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! ( s y n o n y m l ) i s a n O R o
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i d e n t i f i e r > 4 . i d e n t
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APPENDI X 8 :RESERVED WORDSTh e f a
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1 7 : ' BEGI N ' e xpe c t e dS e 1
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119 : R e - s p e c i f i e d p a r
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1 5 4 : A c t u a l p a r a m e t e
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4 0 4 : E r r o r i n w r i t i n g
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1. DEF I N I T I ONBT h e t e r m s
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2. F UNDA)" EN T* L F I L E OP ER*
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P ROCEDURE A S S I GN ( VA R F : F
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g t h e Op e r a t i n g S y s t e
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3 . T E XT F I L E SDEF IN I T I QN
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F o r m a t t e d O u t p u tIn F i
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PROCEDURE READ'PROCEDURE READL N;P
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MI SCEL L ANEOUS F I L E ROUT I NE
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A PPEND I X F : P l a y e r / M i s
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E XTERNAL PROCEDURE 8 I GBANG> ( «
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END E L B E I F A = 7 T HEN MOVER I
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P IOVENI S S I L E i ( + ST ART t"
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M ODULE PE EKPOKE '(+Thi s modul e
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INDE XA BSOL UT E v a t i a b l e s
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D a t a s t o r a g eD a t a t y p
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I n c l u d e f i l es 5s 8 t 1 4 '
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DEMUCUN ( c on f or ma n t a r r a
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U s e rt a b l e s p a c eW i nd o
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ATARIPROGRAMW EXCHANGEP.O. Box 3705
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ATARI PASCAL LANGUAGE SYSTEM - Strotmann.de

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