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177 lines
3.0 KiB
Plaintext
177 lines
3.0 KiB
Plaintext
\ System depended IO definitions for 6502 target cas 26jan06
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\ loadscreen fuer generic System IO cas 26jan06
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1 9 +thru
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\\ This example IO definitions are based on serial communication
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The definitions needs to be adapted for each system
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\ 65KEY? GETKEY 25JAN85RE) er14dez88
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CODE 65KEY? ( -- FLAG) $C0EA jsr push0a jmp end-code
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CODE GETKEY ( -- 8B) $C0A6 jsr push0a jmp end-code
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CODE CURON ( --) NEXT JMP END-CODE
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CODE CUROFF ( --) NEXT JMP END-CODE
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: 65KEY ( -- 8B)
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CURON BEGIN PAUSE 65KEY? UNTIL CUROFF GETKEY ;
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\ DECODE EXPECT KEYBOARD BP28MAY85)
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08 CONSTANT #BS 0D CONSTANT #CR &27 CONSTANT #ESC
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: 65DECODE ( ADDR CNT1 KEY -- ADDR CNT2)
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#BS CASE? IF DUP IF DEL 1- THEN EXIT THEN
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#CR CASE? IF DUP SPAN ! EXIT THEN
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>R 2DUP + R@ SWAP C! R> EMIT 1+ ;
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: 65EXPECT ( ADDR LEN1 -- ) SPAN ! 0
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BEGIN DUP SPAN @ U<
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WHILE KEY DECODE
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REPEAT 2DROP SPACE ;
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INPUT: KEYBOARD [ HERE INPUT ! ]
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65KEY 65KEY? 65DECODE 65EXPECT [
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\ send? (emit 65emit er14dez88 cas 26jan06
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| $8001 Constant aciasr
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| $8000 Constant aciaio
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| Code send? ( -- flg )
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aciasr lda pha $08 # and 0= not ?[ $c058 jsr ]?
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pla $10 # and push0a jmp end-code
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Code (emit ( 8b -- ) SP X) LDA aciaio sta (drop jmp end-code
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\ EMIT CR DEL PAGE AT AT? 25JAN85RE) cas 26jan06
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| Variable out 0 out ! | &80 Constant c/row
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: 65emit ( 8b -- ) BEGIN pause send? UNTIL 1 out +! (emit ;
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: 65CR #CR 65emit out @ c/row / 1+ c/row * out ! ;
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: 65DEL #bs 65emit SPACE #bs 65emit -2 out +! ;
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: 65PAGE .( insert code for page ) out off ;
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: 65at ( row col -- )
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.( insert code for at ) swap c/row * + out ! ;
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: 65AT? ( -- ROW COL ) out @ c/row /mod &24 min swap ;
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\ 65type cas 26jan06
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: 65type ( adr len -- ) bounds ?DO I c@ emit LOOP ;
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\ TYPE DISPLAY (BYE BP 28MAY85RE) er14dez88
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OUTPUT: DISPLAY [ HERE OUTPUT ! ]
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65EMIT 65CR 65TYPE 65DEL 65PAGE 65AT 65AT? [
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| : (bye ;
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\ B/BLK DRIVE >DRIVE DRVINIT 28MAY85RE) cas 26jan06
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$400 CONSTANT B/BLK \ Bytes per physical Sector
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$0AA CONSTANT BLK/DRV \ number of Blocks per Drive
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| VARIABLE (DRV 0 (DRV !
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| : DISK ( -- DEV.NO ) (DRV @ 8 + ;
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: DRIVE ( DRV# -- ) BLK/DRV * OFFSET ! ;
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\ cas 26jan06
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: >DRIVE ( BLOCK DRV# -- BLOCK' )
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BLK/DRV * + OFFSET @ - ;
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: DRV? ( BLOCK -- DRV# )
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OFFSET @ + BLK/DRV / ;
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: DRVINIT NOOP ;
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.( for read and write errorhandler is needed )
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| : readserial ( adr blk -- )
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&27 emit .( rb ) space base push decimal . cr
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$400 bounds DO key I c! LOOP ;
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| : writeserial ( adr blk -- )
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&27 emit .( wb ) space base push decimal . cr
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$400 bounds DO I c@ emit LOOP ;
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\ (r/w er14dez88
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: (R/W ( ADR BLK FILE R/WF -- FLAG)
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swap abort" no file"
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IF readserial ELSE writeserial THEN false ;
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' (R/W IS R/W
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