MACRO &lab subroutine &parms,&work &lab anop aif c:&work,.a lclc &work &work setc 0 .a gbla &totallen gbla &worklen &worklen seta &work &totallen seta 0 aif c:&parms=0,.e lclc &len lclc &p lcla &i &i seta c:&parms .b &p setc &parms(&i) &len amid &p,2,1 aif "&len"=":",.c &len amid &p,1,2 &p amid &p,4,l:&p-3 ago .d .c &len amid &p,1,1 &p amid &p,3,l:&p-2 .d &p equ &totallen+3+&work &totallen seta &totallen+&len &i seta &i-1 aif &i,^b .e tsc sec sbc #&work tcs inc a phd tcd phb phk plb mend MACRO &lab return &r &lab anop lclc &len aif c:&r,.a lclc &r &r setc 0 &len setc 0 ago .h .a &len amid &r,2,1 aif "&len"=":",.b &len amid &r,1,2 &r amid &r,4,l:&r-3 ago .c .b &len amid &r,1,1 &r amid &r,3,l:&r-2 .c aif &len<>2,.d ldy &r ago .h .d aif &len<>4,.e ldx &r+2 ldy &r ago .h .e aif &len<>10,.g ldy #&r ldx #^&r ago .h .g mnote 'Not a valid return length',16 mexit .h aif &totallen=0,.i lda &worklen+1 sta &worklen+&totallen+1 lda &worklen sta &worklen+&totallen .i plb pld tsc clc adc #&worklen+&totallen tcs aif &len=0,.j tya .j rtl mend MACRO &lab long &stat &lab anop lcla &t lcla &len lclc &ch &t seta 0 &len seta l:&stat .a aif &len=0,.b &ch amid &stat,&len,1 aif ("&ch"="x").or.("&ch"="y").or.("&ch"="i"),.i aif ("&ch"="a").or.("&ch"="m"),.m .c &len seta &len-1 ago ^a .i longi on &t seta &t+16 ago ^c .m longa on &t seta &t+32 ago ^c .b aif &t=0,.d rep #&t .d mend MACRO &lab short &stat &lab anop lcla &t lcla &len lclc &ch &t seta 0 &len seta l:&stat .a aif &len=0,.b &ch amid &stat,&len,1 aif ("&ch"="x").or.("&ch"="y").or.("&ch"="i"),.i aif ("&ch"="a").or.("&ch"="m"),.m .c &len seta &len-1 ago ^a .i longi off &t seta &t+16 ago ^c .m longa off &t seta &t+32 ago ^c .b aif &t=0,.d sep #&t .d mend MACRO &lab jeq &loc &lab bne *+5 jmp &loc mend MACRO &lab READ_VARIABLE &a1 &lab p16 \$10B,&a1 mend MACRO &lab p16 &a1,&a2 &lab jsl \$E100A8 dc i2'&a1' dc i4'&a2' mend MACRO &lab unlock &a1 &lab stz &a1 MEND MACRO &lab key &lab dc i2'0' MEND MACRO &lab lock &a1 &lab lda #1 tsb &a1 beq *+6 cop \$7F bra *-7 MEND