Caple C871i Instrukcja Użytkownika Pobierz pdf (Strona 7)

Apple II Computer Info

$03E3 / NA = LOAD X/Y WITH PARM LIST ADDRESS

$03D9 / NA = CALL RWTS (MUST CALL ABOVE FIRST)

$B793 / 46995 = SEEK/READ/WRITE MULTIPLE PAGES

$B7E1 / 47073 = NUMBER OF PAGES

ROM SUBROUTINES

BASCLCTX $FBC1

IP Ar = vtab - 1

OP $28.29 = base location htab 1

HOME $FC58

CHAROUT $FDF0

IP Ar = a character

OP print Ar at ($28)+$36

READKEY $FD0C

OP character in Ar

PRINTHEX $FDE3

IP Ar = a number 00-0F

OP Ar printed as a number, form $A

PRBYTE $FDDA

IP Ar = a number

OP Ar printed as a number, form $AA

PRINTAX $F941

IP Ar & Xr = a number

OP Ar & Xr printed as a number, form $AAXX

TEXT $FB2F

BASCLCHI $F411

IP Ar, Xr, Yr = hires location, form YYXX,AA

OP ($26) = base address

CLRHIRES $F3F6

IP $E6 = page, $1C = hcolor

OP hires screen cleared to given color

HPLOT $F457

IP $E4 = hcolor, HPOSN called

OP point plotted

PRNMZERO $FE93

NORMAL $FE84

OP $32: FF

WAIT $FCA8

IP Ar = length of pause

OP returns after relative pause

CHKCOMMA $DEBE

IP command line = char

OP syntax error if not a comma

GETHIRES $F6B9

IP command line = hires location

OP location in form YYXX,AA, or ill. quant.

GETCHAR $00B1

IP command line = char or token

OP char/token in Ar

GETSMNUM $E6F8

IP command line = number

OP Xr = number 00-FF

GETBGNM $DD67 + $E752

IP command line = number

OP $50.51 = number 0000-FFFF

ILLQUAN $F6E6

SNTXERR $DEC9

PRTAREG $FE95

IP: number in Areg

Apple II Computer Technical Information : Apple II Family Hardware Info

ftp://ground.ecn.uiowa.edu/2/apple2/miscinfo/hardware : May 2001 : 7 of 572

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