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-rw-r--r--commodore64/neo-layout.asm141
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diff --git a/commodore64/neo-layout.asm b/commodore64/neo-layout.asm
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+;NEO-Layout für C64
+;(C) 2005 Hanno Behrens (pebbles@schattenlauf.de)
+;unter GPL
+;Alpha-Release 0.1
+
+ !to "neo-layout.prg"
+
+ !source <C64/BASIC2.a>
+
+ *=$0801
+
+dest =$c000
+
+ptr1 =$f7
+ptr2 =$f9
+
+zp_pkeydec =$028f
+zp_keymap =$f5
+k_keydec =$eb48
+k_keytablen =$41
+k_keytab1 =$eb81
+k_keytab2 =$ebc2
+k_keytab3 =$ec03
+k_keytab4 =$ec78
+
+k_decode =$eae0
+
+;Header generieren
+ !word endline ;Zeiger auf nächste Zeile
+ !word 2005 ;Zeilennummer
+ +b_SYS
+ !tx "2061",0
+endline !word 0
+;Ende Header
+
+setup:
+ ldy #0 ;kopiere neo nach dest
+set1: lda neoentry,y
+ sta dest,y
+ lda neoentry+$100,y
+ sta dest+$100,y
+ iny
+ bne set1
+
+ sei ;setze keydecoder
+ lda #<dest
+ sta zp_pkeydec
+ lda #>dest
+ sta zp_pkeydec+1
+ cli
+ rts
+
+neoentry:
+ lda $028d ;Flag Shift CTRL Commodore
+ cmp #$03
+ bne l1 ;Zeiger auf Dekodiertabellen berechnen
+ cmp $028e
+ beq abfrage_default
+ lda $0291 ;Shift-Commodore erlaubt?
+ bmi fertig ;nein, zurück zur Dekodierung
+ lda $d018 ;Shift/Commodore
+ eor #$02 ;Umschaltung Klein/Großschreibung
+ sta $d018
+ jmp fertig
+
+l1 asl
+ cmp #$08
+ bcc l2
+ lda #$06
+l2 tax
+ lda tableptr-neoentry+dest,x
+ sta zp_keymap ;Zeiger auf Tastatur-Dekodiertabellen lesen
+ lda tableptr-neoentry+dest+1,x
+ sta zp_keymap+1
+
+fertig: jmp k_decode ;zurück zur Dekodierung
+
+abfrage_default:
+ lda #$7f
+ sta $dc00
+ rts
+
+tableptr:
+ !word table1-neoentry+dest, table2-neoentry+dest
+ !word table3-neoentry+dest, table4-neoentry+dest
+
+ !ct pet
+table1 ;Tastatur-Dekodierung, ungeshiftet
+ !by $14, $0d, $1d, $88, $85, $86, $87, $11
+; !by "3", "w", "a", "4", "z", "s", "e", $01
+ !by "3", "v", "u", "4", "k", "i", "l", $01
+; !by "5", "r", "d", "6", "c", "f", "t", "x"
+ !by "5", "c", "a", "6", "@", "e", "w", ">"
+; !by "7", "y", "g", "8", "b", "h", "u", "v"
+ !by "7", "<", "o", "8", "z", "s", "h", "p"
+; !by "9", "i", "j", "0", "m", "k", "o", "n"
+ !by "9", "g", "n", "0", "m", "r", "f", "b"
+; !by "+", "p", "l", "-", ".", ":", "@", ","
+ !by "+", "j", "t", "-", ".", "d", "/", ","
+; !by $5c, "*", ";", $13, $01, "=", $5e, "/"
+ !by $5c, "*", "y", $13, $01, "=", $5e, "x"
+ !by "1", $5f, $04, "2", " ", $02, "q", $03
+ !by $ff
+table2 ;Tastatur-Dekodierung geshifted
+ !by $94, $8d, $9d, $8c, $89, $8a, $8b, $91
+; !by "#", "W", "A", "$", "Z", "S", "E", $01
+ !by "#", "V", "U", "$", "K", "I", "L", $01
+; !by "%", "R", "D", "&", "C", "F", "T", "X"
+ !by "%", "C", "A", "&", $ba, "E", "W", "]"
+; !by "'", "Y", "G", "(", "B", "H", "U", "V"
+ !by "'", "[", "O", "(", "Z", "S", "H", "P"
+; !by ")", "I", "J", "0", "M", "K", "O", "N"
+ !by ")", "G", "N", "0", "M", "R", "F", "B"
+; !by $db, $d0, $cc, $dd, ">", "[", $ba, "<"
+ !by $db, $d0, $cc, $dd, ":", "D", "?", ";"
+; !by $a9, $c0, "]", $93, $01, "=", $de, "?"
+ !by $a9, $c0, "Y", $93, $01, $3d, $de, "X"
+ !by $21, $5f, $04, $22, $a0, $02, "Q", $83
+ !by $ff
+
+table3 ;Tastatur-Dekodierung mit C=-Taste
+ !by $94, $8d, $9d, $8c, $89, $8a, $8b, $91
+ !by $96, $b3, $b0, $97, $ad, $ae, $b1, $01
+ !by $98, $b2, $ac, $99, $bc, $bb, $a3, $bd
+ !by $9a, $b7, $a5, $9b, $bf, $b4, $b8, $be
+ !by $29, $a2, $b5, $30, $a7, $a1, $b9, $aa
+ !by $a6, $af, $b6, $dc, $3e, $5b, $a4, $3c
+ !by $a8, $df, $5d, $93, $01, $3d, $de, $3f
+ !by $81, $5f, $04, $95, $a0, $02, $ab, $83
+ !by $ff
+
+table4 ;Tastatur-Dekodierung mit CTRL-Taste
+ !by $ff, $ff, $ff, $ff, $ff, $ff, $ff, $ff
+ !by $1c, $17, $01, $9f, $1a, $13, $05, $ff
+ !by $9c, $12, $04, $1e, $03, $06, $14, $18
+ !by $1f, $19, $07, $9e, $02, $08, $15, $16
+ !by $12, $09, $0a, $92, $0d, $0b, $0f, $0e
+ !by $ff, $10, $0c, $ff, $ff, $1b, $00, $ff
+ !by $1c, $ff, $1d, $ff, $ff, $1f, $1e, $ff
+ !by $90, $06, $ff, $05, $ff, $ff, $11, $ff
+ !by $ff