addprc =1 romloc =$a000 ;vic-40 basic rom linlen =40 ;vic screen size ?why? buflen =89 ;vic buffer bufpag =2 buf =512 stkend =507 clmwid =10 ;print window 10 chars pi =255 numlev =23 strsiz =3 .segment "ZPBASIC" : zeropage blank0 .res 3 ;6510 register area adray1 .res 2 ;convert float->integer adray2 .res 2 ;convert integer->float integr charac .res 1 endchr .res 1 trmpos .res 1 verck .res 1 count .res 1 dimflg .res 1 valtyp .res 1 intflg .res 1 garbfl dores .res 1 subflg .res 1 inpflg .res 1 domask tansgn .res 1 channl .res 1 poker linnum .res 2 temppt .res 1 lastpt .res 2 tempst .res 9 index index1 .res 2 index2 .res 2 resho .res 1 resmoh .res 1 addend resmo .res 1 reslo .res 1 .res 1 txttab .res 2 vartab .res 2 arytab .res 2 strend .res 2 fretop .res 2 frespc .res 2 memsiz .res 2 curlin .res 2 oldlin .res 2 oldtxt .res 2 datlin .res 2 datptr .res 2 inpptr .res 2 varnam .res 2 fdecpt varpnt .res 2 lstpnt andmsk forpnt .res 2 eormsk =forpnt+1 vartxt opptr .res 2 opmask .res 1 grbpnt tempf3 defpnt .res 2 dscpnt .res 2 .res 1 four6 .res 1 jmper .res 1 size .res 1 oldov .res 1 tempf1 .res 1 arypnt highds .res 2 hightr .res 2 tempf2 .res 1 deccnt lowds .res 2 grbtop dptflg lowtr .res 1 expsgn .res 1 tenexp =lowds+1 epsgn =lowtr+1 dsctmp fac facexp .res 1 facho .res 1 facmoh .res 1 indice facmo .res 1 faclo .res 1 facsgn .res 1 degree sgnflg .res 1 bits .res 1 argexp .res 1 argho .res 1 argmoh .res 1 argmo .res 1 arglo .res 1 argsgn .res 1 strngi arisgn .res 1 facov .res 1 bufptr strng2 polypt curtol fbufpt .res 2 chrget .res 6 chrgot .res 1 txtptr .res 6 qnum .res 10 chrrts .res 1 rndx .res 5 .segment "STRTMP" : zeropage lofbuf .res 1 fbuffr .res 1 strng1 =arisgn ; .segment "BVECTORS" ;basic indirects ierror .res 2 ;indirect error (output error in .x) imain .res 2 ;indirect main (system direct loop) icrnch .res 2 ;indirect crunch (tokenization routine) iqplop .res 2 ;indirect list (char list) igone .res 2 ;indirect gone (char dispatch) ieval .res 2 ;indirect eval (symbol evaluation) ;temp storage untill system intergration ; sys 6502 regs sareg .res 1 ;.a reg sxreg .res 1 ;.x reg syreg .res 1 ;.y reg spreg .res 1 ;.p reg usrpok .res 3 ;user function dispatch