; See the LICENSE file for distribution terms (Apache 2.0).
;
; Parts taken from multiple sources:
;   cc65 2.17, libsrc/c65/kernal.s
;    Copyright Ullrich von Bassewitz (BSD license)
;   "Commodore 64 ROM Addresses", author unknown; found on web:
;    http://commodore64.se/wiki/index.php/Commodore_64_ROM_Addresses
;   "Important JSRs", by Vbas
;    https://www.lemon64.com/forum/viewtopic.php?t=68960

*SYNOPSIS C64 Kernal addresses and constants

;
; C64 Kernal jump table
;
CINT            @ $FF81     ;init editor & video chip
IOINIT          @ $FF84     ;init I/O devices, ports, and timers
RAMTAS          @ $FF87     ;init ram and buffers
RESTOR          @ $FF8A     ;restore default I/O vectors
VECTOR          @ $FF8D     ;read/set I/O vector table
SETMSG          @ $FF90     ;set Kernal message control flag
SECOND          @ $FF93     ;send SA after listen
TKSA            @ $FF96     ;send SA after talk
MEMTOP          @ $FF99     ;set/read system RAM top
MEMBOT          @ $FF9C     ;set/read system RAM bottom
SCNKEY          @ $FF9F     ;scan keyboard
SETTMO          @ $FFA2     ;set timeout for IEEE bus
ACPTR           @ $FFA5     ;handshake serial byte in
CIOUT           @ $FFA8     ;handshake serial byte out
UNTLK           @ $FFAB     ;command serial bus UNTALK
UNLSN           @ $FFAE     ;command serial bus UNLISTEN
LISTEN          @ $FFB1     ;command serial bus LISTEN
TALK            @ $FFB4     ;command serial bus TALK
READST          @ $FFB7     ;read I/O status word
SETLFS          @ $FFBA     ;set logical file parameters
SETNAM          @ $FFBD     ;set filename
OPEN            @ $FFC0     ;($031A/iopen) open logical file
CLOSE           @ $FFC3     ;($031C/iclose) close logical file
CHKIN           @ $FFC6     ;($031E/ichkin) define input channel
CKOUT           @ $FFC9     ;($0320/ichkout) define output channel
CLRCH           @ $FFCC     ;($0322/iclrch) restore default devices
BASIN           @ $FFCF     ;($0324/ichrin) input vector, chrin
BSOUT           @ $FFD2     ;($0326/ichrout) output vector, chrout
LOAD            @ $FFD5     ;load from device
SAVE            @ $FFD8     ;save to device
SETTIM          @ $FFDB     ;set real-time clock
RDTIM           @ $FFDE     ;read real-time clock
STOP            @ $FFE1     ;($0328/istop) check the STOP key
GETIN           @ $FFE4     ;($032A/igetin) get from keyboard
CLALL           @ $FFE7     ;($032C/iclall) close all channels and files
UDTIM           @ $FFEA     ;update real-time clock
SCREEN          @ $FFED     ;return screen organization
PLOT            @ $FFF0     ;read/set cursor X/Y position
IOBASE          @ $FFF3     ;return I/O base address