base:kernalreference
Kernal Reference
Label Jump Vector Real Function Function Input/Output Register Usage addr addr code Description Parameters entry return used ----------------------------------------------------------------------------------------------------------------------- CINT FF81 ---- FF5B init VIC & screen editor - - - - - - A X Y IOINIT FF84 ---- FDA3 initialize CIA & IRQ - - - - - - A X Y RAMTAS FF87 ---- FD50 RAM test & search RAM end - - - - - - A X Y RESTOR FF8A ---- FD15 restore default I/O vectors - - - - - - A - Y VECTOR FF8D ---- FD1A read/set I/O vectors in: C=0 moves from Y/X to vectors - X Y - X - A - Y C=1 moves vectors to Y/X - X Y - X - A - Y SETMSG FF90 ---- FE18 enable/disable KERNAL messages in: A bit7=1 error msgs on A - - - - - A - - bit6=1 control msgs on SECOND FF93 ---- EDB9 send secondary addr after listen in: A=secondary address A - - - - - A - - TKSA FF96 ---- EDC7 send secondary addr after talk in: A=secondary address A - - - - - A - - MEMTOP FF99 ---- FE25 read/set top of memory in: C=0; Y/X address - X Y - X Y - - - out:C=1; Y/X address - - - - X Y - X Y MEMBOT FF9C ---- FE34 read/set bottom of memory in: C=0; Y/X address - X Y - X Y - - - out:C=1; Y/X address - - - - X Y - X Y SCNKEY FF9F ---- EA87 scan keyboard - - - - - - A X Y SETTMO FFA2 ---- FE21 set IEEE timeout in: A bit7=1 disable, bit7=0 enable A - - A - - - - - ACPTR FFA5 ---- EE13 input byte from SERIAL out:A=byte, C=1 and ST=2 if timeout - - - A - - A - - CIOUT FFA8 ---- EDDD output byte to SERIAL in: A=byte, C=1 and ST=3 if timeout A - - A - - - - - UNTLK FFAB ---- EDEF untalk all SERIAL devices - - - - - - A - - UNLSN FFAE ---- EDFE unlisten all SERIAL devices - - - - - - A - - LISTEN FFB1 ---- ED0C make SERIAL device listen in: A=device number A - - - - - A - - TALK FFB4 ---- ED09 make SERIAL device talk in: A=device number A - - - - - A - - READST FFB7 ---- FE07 read I/O status byte out:A=status byte - - - A - - A - - SETLFS FFBA ---- FE00 set file parameters in: A=logical file number A X Y A X Y - - - X=device number Y=secondary addr SETNAM FFBD ---- FDF9 set file name in: A=length of filename A X Y A X Y - - - Y/X=pointer to name addr OPEN FFC0 031A F34A open log.file after SETLFS,SETNAM out:A=error# if C=1 - - - - - - A X Y CLOSE FFC3 031C F291 close a logical file in: A=logical file number A - - - - - A X Y CHKIN FFC6 031E F20E open channel for input in: X=logical file number - X - - - - A X - CHKOUT FFC9 0320 F250 open channel for output in: X=logical file number - X - - - - A X - CLRCHN FFCC 0322 F333 restore default devices - - - - - - A X - CHRIN FFCF 0324 F157 input character out:A=character, C=1 and ST=error - - - A - - A - - CHROUT FFD2 0326 F1CA output character in: A=character, C=1 and ST=error A - - A - - - - - LOAD FFD5 0330 F49E load after call SETLFS,SETNAM in: A=0 load, a=1 verify A X Y A X Y A X Y Y/X = dest.addr if sec.addr=0 SAVE FFD8 0332 F5DD save after call SETLFS,SETNAM in: A=zero page pointer to start.addr A X Y - - - A X Y Y/X=ending address SETTIM FFDB ---- F6E4 set jiffy clock in: A=MSB, X=middle, Y=LSB A X Y - - - - - - RDTIM FFDE ---- F6DD read jiffy clock out:A=MSB, X=middle, Y=LSB - - - A X Y A X Y STOP FFE1 0328 F6ED check stop key out:Z=0 if STOP not used; X unchanged - - - A - - A - - Z=1 if STOP used; X changed - - - A - - A X - A=last line of keyboard matrix GETIN FFE4 032A F13E get a byte from channel out:keyboard:A=0 if puffer empty - - - A - - A X Y RS232:status byte - - - A - - A - - serial:status byte - - - A - - A - - tape:status byte - - - A - - A - Y CLALL FFE7 032C F32F close or abort all files - - - - - - A X - UDTIM FFEA ---- F69B update jiffy clock - - - - - - A X - SCREEN FFED ---- E505 return screen size out:X=columns, Y=rows - - - - X Y - X Y PLOT FFF0 ---- E50A read/set cursor position in: C=0, X=row, Y=column - X Y - X Y - - - out:C=1, X=row, Y=column - - - - X Y - X Y IOBASE FFF3 ---- E500 returns the addr of I/O devices out:Y/X=addr($DC00) - - - - X Y - X Y
base/kernalreference.txt · Last modified: 2015-04-17 04:32 by 127.0.0.1