mirror of
https://github.com/forth-ev/VolksForth.git
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171 lines
11 KiB
Plaintext
171 lines
11 KiB
Plaintext
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0 \\ *** GEM - Basics *** 26may86we
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1
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2 Die Routinen in dieser Library entsprechen dem, was auch dem
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3 Pascal-, C- oder Modula-Programmierer zur Verf<72>gung steht.
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4 F<>r eine genaue Beschreibung der einzelnen Routinen verweisen
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5 wir auf die GEM-Dokumentation des ST-Entwicklungspaketes bzw.
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6 entsprechende Literatur.
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7
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8 Aus diesem Grunde wurden die - teilweise kryptischen - Namen
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9 von Digital Research beibehalten; auch die <20>bergabeparameter
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10 der einzelnen Funktionen sind unver<65>ndert geblieben.
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11 Der Aufbau einer FORTH-Library mit 'Super-Befehlen' ist in
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12 Arbeit.
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13
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14 Die Worte in diesem File werden sowohl f<>r VDI- als auch f<>r
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15 AES-Funktionen ben<65>tigt.
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0 \ VDI GEM Arrays and Controls Loadscreen 02nov86we
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1
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2 Onlyforth
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3
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4 \needs >absaddr : >absaddr 0 forthstart d+ ;
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5 \needs Code 2 loadfrom assemble.scr
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6
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7 Vocabulary GEM GEM definitions also
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8
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9 1 8 +thru
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10
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11
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12
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13
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14
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15
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0 \ VDI GEM Arrays 05aug86we
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1
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2 Create intin &60 allot Create ptsin &256 allot
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3 Create intout &90 allot Create ptsout &24 allot
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4 Create addrin 8 allot Create addrout 4 allot
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5 Variable grhandle
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6
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7 | : gemconstant ( addr n -- addr+n) over Constant + ;
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8
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9 Create contrl $16 allot
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10 contrl 2 gemconstant opcode
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11 2 gemconstant #intin
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12 2 gemconstant #intout ' #intout Alias #ptsout
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13 2 gemconstant #addrin
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14 2 gemconstant #addrout
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15 2 gemconstant function drop
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0 \ global array, Parameter blocks 02nov86we
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1
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2 Create global $20 allot
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3 global &10 + Constant ap_ptree
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4
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5 | : gemarray ( n0 ... nk-1 k --) Create 0 ?DO , LOOP ;
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6
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7 addrout addrin intout intin global contrl 6 gemarray (AESpb
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8 ptsout intout ptsin intin contrl 5 gemarray (VDIpb
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9
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10 Create AESpb &24 allot Create VDIpb &20 allot
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11
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12 : setarrays
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13 6 0 DO (AESpb I 2* + @ >absaddr AESpb I 2* 2* + 2! LOOP
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14 5 0 DO (VDIpb I 2* + @ >absaddr VDIpb I 2* 2* + 2! LOOP ;
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15
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0 \ Array-Handling 09sep86we
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1
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2 Code array! ( n0 ... nk-1 adr k --)
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3 SP )+ D0 move SP )+ D6 move D6 reg) A0 lea
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4 D0 A0 adda D0 A0 adda 1 D0 subq
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5 D0 DO SP )+ A0 -) move LOOP Next end-code
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6
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7 Code 4! ( n1 .. n4 addr -- )
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8 SP )+ D6 move 8 D6 addq D6 reg) A0 lea 3 # D0 move
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9 D0 DO SP )+ A0 -) move LOOP Next end-code
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10
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11 Code 4@ ( addr -- n1 .. n4 )
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12 SP )+ D6 move D6 reg) A0 lea 3 # D0 move
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13 D0 DO A0 )+ SP -) move LOOP Next end-code
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14
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15
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0 \ AES-Aufruf 09sep86we
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1
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2 Code AES ( opcode #intin #intout #addrin -- intout@ )
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3 SP )+ contrl 6 + R#) move \ #addrin
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4 SP )+ contrl 4 + R#) move \ #intout
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5 SP )+ contrl 2+ R#) move \ #intin
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6 SP ) D0 move SP )+ contrl R#) move \ opcode
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7 contrl 8 + R#) clr \ #addrout
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8 &112 D0 cmpi \ Funktions-Nr. von rsrc_gaddr
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9 0= IF 1 # contrl 8 + R#) move THEN
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10 AESpb # D6 move D6 reg) A0 lea A0 D1 lmove
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11 .w $C8 # D0 move 2 trap
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12 intout R#) SP -) move Next end-code
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13
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14
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15
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0 \ VDI-Aufruf 09sep86we
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1
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2 Code VDI ( opcode #ptsin #intin --)
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3 SP )+ contrl 6 + R#) move
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4 SP )+ contrl 2+ R#) move SP )+ contrl R#) move
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5 grhandle R#) contrl &12 + R#) move
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6 VDIpb # D6 move D6 reg) A0 lea A0 D1 lmove
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7 $73 D0 moveq 2 trap
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8 Next end-code
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14
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15
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0 \ appl_init appl_exit graf_handle bp 12oct86
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1
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2 : appl_init global &14 + $10 erase &10 0 1 0 AES drop ;
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3 : appl_exit &19 0 1 0 AES drop ;
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4
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5
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6 | : sizeconstant ( addr n -- addr+n@ )
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7 over Create , + Does> @ @ ;
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8
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9 Create sizes 8 allot $08 $10 $13 $13 sizes 4!
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10 sizes 2 sizeconstant cwidth 2 sizeconstant cheight
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11 2 sizeconstant bwidth 2 sizeconstant bheight drop
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12
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13 : graf_handle &77 0 5 0 AES grhandle !
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14 intout 2+ sizes 8 cmove ;
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15
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0 \ opnvwk clrwk clsvwk updwk 02nov86we
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1
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2 : opnvwk
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3 intin &10 0 DO 1 over I 2* + ! LOOP drop
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4 2 intin &20 + ! &100 0 &11 VDI
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5 contrl &12 + @ grhandle ! ;
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6
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7 : clrwk 3 0 0 VDI ;
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8 : clsvwk &101 0 0 VDI ;
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9
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10 : updwk 4 0 0 VDI ;
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0 \ s_clip grinit grexit show_c hide_c 02nov86we
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1
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2 : s_clip ( x1 y1 x2 y2 clipflag -- )
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3 intin ! ptsin 4 array! &129 2 1 VDI ;
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4
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5 : grinit setarrays appl_init graf_handle opnvwk ;
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6 : grexit clsvwk appl_exit ;
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7
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8 2Variable objc_tree 0. objc_tree 2!
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9
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10 Variable c_flag c_flag off
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11 : show_c ( -- ) c_flag @ intin ! &122 0 1 VDI ;
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12 : hide_c ( -- ) &123 0 0 VDI ;
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13
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14 \\ st_load_fonts st_unload_fonts
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15 w<>r auch ganz h<>bsch, hamse aber nich!
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