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added BASIC_C128, EDITOR_C128, EDITOR_C128_DIN, KERNAL_C128_05, KERNAL_C128_06, MONITOR_C128
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‎BASIC_C128/array.src

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.page
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.subttl Array Routines
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;
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; format of arrays in core:
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;
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; descriptor:
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; lowbyte = first character.
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; high byte = second character (m.s.bit is string flag).
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; length of array in core in bytes (includes everything).
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; number of dimensions.
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; for each dimension starting with the first a list (2 bytes each)
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; of the max indice+1
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; the values
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;
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is_array
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lda dimflg
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ora intflg
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pha ;save (dimflg) for recursion.
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lda valtyp
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pha ;save (valtyp) for recursion.
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ldy #0 ;set number of dimensions to zero.
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indlop tya ;save number of dims.
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pha
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lda varnam+1
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pha
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lda varnam
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pha ;save looks.
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jsr intidx ;evaluate indice into facmo&lo.
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pla
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sta varnam
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pla
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sta varnam+1 ;get back all...we're home.
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pla ;(# of units).
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tay
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tsx
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lda 258,x
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pha ;push dimflg and valtyp further.
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lda 257,x
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pha
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lda indice ;put indice onto stack.
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sta 258,x ;under dimflg and valtyp.
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lda indice+1
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sta 257,x
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iny ;y counts # of subscripts
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sty count ;protect y from chrget
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jsr chrgot ;get terminating character.
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ldy count
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cmp #',' ;more subscripts?
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beq indlop ;yes.
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jsr chkcls ;must be closed paren.
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pla
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sta valtyp ;get valtyp and
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pla
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sta intflg
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and #$7f
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sta dimflg ;dimflg off stack.
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ldx arytab ;place to start search.
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lda arytab+1
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lopfda
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stx lowtr
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sta lowtr+1
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cmp strend+1 ;end of arrays?
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bne lopfdv
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cpx strend
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beq notfdd ;a fine thing! no array!
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lopfdv
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ldy #0
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jsr indlow_ram1 ;get high of name from array bank (ram1)
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iny
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cmp varnam ;compare high orders.
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bne nmary1 ;no way is it this. get the bite outta here.
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jsr indlow_ram1
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cmp varnam+1 ;low orders?
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beq gotary ;well here it is.
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nmary1
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iny
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jsr indlow_ram1 ;get length.
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clc
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adc lowtr
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tax
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iny
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jsr indlow_ram1
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adc lowtr+1
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bcc lopfda ;always branches.
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bserr ldx #errbs ;get bad sub error number.
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.byte $2c
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fcerr ldx #errfc ;too big. Illegal Quantity error
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errgo3 jmp error
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gotary ldx #errdd ;perhaps a "re-dimension" error.
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lda dimflg ;test the dimflg.
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bne errgo3
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jsr fmaptr
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ldy #4
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jsr indlow_ram1
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sta syntmp
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lda count ;get number of dims input.
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cmp syntmp ;# of dims the same?
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bne bserr ;same so get definition.
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jmp getdef
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.page
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;
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; here when variable is not found in the array table.
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;
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; building an entry.
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;
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; put down the descriptor.
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; setup number of dimensions.
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; make sure there is room for the new entry.
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; remember "varpnt".
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; tally=4.
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; skip two locs for later fill in of size.
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; loop: get an indice
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; put down number+1 and increment varptr.
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; tally=tally*number+1
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; decrement number of dims
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; bne loop
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; call "reason" with (a,b) reflecting last loc
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; of variable
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; update strend
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; zero all.
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; make tally include maxdims and descriptor
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; put down tally
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; if called by dimension, return.
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; otherwise index into the variable as if it
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; were found on the initial search.
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;
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notfdd
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jsr fmaptr ;form arypnt.
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jsr reason
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ldy #0
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sty curtol+1
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ldx #5
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lda varnam
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sta sw_rom_ram1 ;point to string/array bank
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sta (lowtr),y
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bpl notflt
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dex
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notflt
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iny
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lda varnam+1
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sta (lowtr),y
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bpl stomlt
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dex
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dex
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stomlt
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stx curtol
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lda count
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iny
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iny
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iny
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sta (lowtr),y ;save number of dimensions.
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loppta
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ldx #11 ;default size.
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lda #0
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bit dimflg
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bvc notdim ;not in a dim statement.
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pla ;get low order of indice.
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clc
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adc #1
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tax
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pla ;get high order of indice.
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adc #0
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notdim
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iny
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sta (lowtr),y ;store high part of indice.
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iny
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txa
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sta (lowtr),y ;store low part of indice.
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jsr umult ;(a,x)+(curtol)*(lowtr,y).
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stx curtol ;save new tally.
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sta curtol+1
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ldy index
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dec count ;any more indices left?
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bne loppta ;yes.
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adc arypnt+1
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bcs omerr1 ;overflow.
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sta arypnt+1 ;compute where to zero.
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tay
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txa
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adc arypnt
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bcc grease
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iny
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beq omerr1
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grease
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jsr reason ;get room.
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sta strend
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sty strend+1 ;new end of storage.
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lda #0 ;storing (acca) is faster than clear.
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inc curtol+1
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ldy curtol
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beq deccur
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zerita dey ;zero out new entry
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sta (arypnt),y
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bne zerita ;no. continue.
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deccur
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dec arypnt+1
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dec curtol+1
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bne zerita ;do another block.
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inc arypnt+1 ;bump back up. will use later.
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sec
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lda strend ;restore (acca).
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sbc lowtr ;determine length.
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ldy #2
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sta (lowtr),y ;low.
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lda strend+1
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iny
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sbc lowtr+1
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sta (lowtr),y ;high.
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lda dimflg ;quit here if this is a dim statement
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bne dimrts ;bye!
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iny
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; At this point (lowtr,y) points beyond the size to the number of dimensions. strategy:
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; numdim=number of dimensions.
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; curtol=0.
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;inlpnm:get a new indice.
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; make sure indice is not too big.
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; multiply curtol by curmax.
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; add indice to curtol.
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; numdim=numdim-1.
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; bne inlpnm.
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; use (curtol)*4 as offset.
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getdef jsr indlow_ram1 ;get # of dim's from ram bank 1
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sta count ;save a counter.
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lda #0 ;zero (curtol).
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sta curtol
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inlpnm
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sta curtol+1
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iny
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pla ;get low indice.
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tax
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sta indice
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jsr indlow_ram1
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sta syntmp
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pla ;and the high part.
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sta indice+1
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cmp syntmp ;compare with max indice.
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bcc inlpn2
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bne bserr7 ;if greater, "bad subscript" error.
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iny
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jsr indlow_ram1
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sta syntmp
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cpx syntmp
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bcc inlpn1
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bserr7 jmp bserr
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omerr1 jmp omerr
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inlpn2
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iny
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inlpn1 lda curtol+1 ;don't multiply if curtol=0.
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ora curtol
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clc ;prepare to get indice back.
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beq addind ;get high part of indice back.
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jsr umult ;multiply (curtol) by (5&6,lowtr).
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txa
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adc indice ;add in (indice).
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tax
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tya
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ldy index1
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addind
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adc indice+1
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stx curtol
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dec count ;any more?
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bne inlpnm ;yes.
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sta curtol+1
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ldx #5
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lda varnam
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bpl notfl1
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dex
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notfl1
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lda varnam+1
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bpl 10$
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dex
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dex
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10$ stx addend
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lda #0
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jsr umultd ;on rts, a & y = hi. x = lo.
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txa
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adc arypnt
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sta varpnt
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tya
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adc arypnt+1
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sta varpnt+1
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tay
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lda varpnt
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dimrts rts
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.page
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;integer arithmetic routines.
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;
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;two byte unsigned integer multiply.
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;this is for multiply dimensioned arrays.
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; (a,b)=(curtol)*(5&6,x).
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umult
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sty index
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jsr indlow_ram1
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sta addend ;low, then high.
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dey
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jsr indlow_ram1 ;put (5&6,lowtr) in faster memory.
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umultd
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sta addend+1
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lda #16
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sta deccnt
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ldx #0 ;clear the accs.
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ldy #0 ;result initially zero.
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umultc
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txa
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asl a ;multiply by two.
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tax
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tya
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rol a
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tay
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bcs omerr1 ;to much!
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asl curtol
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rol curtol+1
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bcc umlcnt ;nothing in this position to multiply.
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clc
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txa
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adc addend
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tax
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tya
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adc addend+1
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tay
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bcs omerr1 ;man, just too much!
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umlcnt
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dec deccnt ;done?
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bne umultc ;keep it up.
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rts ;yes, all done.
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fmaptr lda count
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asl a
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adc #5 ;point to entries. c cleared by asl.
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adc lowtr
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ldy lowtr+1
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bcc 1$
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iny
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1$ sta arypnt
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sty arypnt+1
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rts
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;end

‎BASIC_C128/auto.src

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.page
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.subttl AUTO Command
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; auto increment
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; syntax : auto {line-number}
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; line-number = 0 means turn off
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auto
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jsr errind
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jsr linget
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lda linnum
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sta autinc
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lda linnum+1
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sta autinc+1
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jmp ready
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;end

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