; ***************************************************************************
; API for Commodore C64 Kernal
; Notes about the C64 operating system & memory
; Author: Peter Mount, Area51.dev & Contributors
;
; URL: https://area51.dev/c64/kernal/
;
; Modified: Sun, 23 Jan 2022 17:05:58 UTC
;
; Current version: https://area51.dev/c64/kernal/reference/include/zasm/api.z80
; ***************************************************************************
ACPTR equ &FFA5 ; Get data from the serial bus
CHKIN equ &FFC6 ; Open channel for input
CHKOUT equ &FFC9 ; Open channel for output
CHRIN equ &FFCF ; Get a character from the input channel
CHROUT equ &FFD2 ; Output a character
CINT equ &FF81 ; Initialise screen editor
CIOUT equ &FFA8 ; Transmit a byte over the serial bus
CLALL equ &FFE7 ; Close all open files
CLOSE equ &FFC3 ; Close a logical file
CLRCHN equ &FFCC ; Clear I/O channels
CLRLN equ &E9FF ; Clear the line X
CLSR equ &E544 ; Clear the screen
GETIN equ &FFE4 ; Get a character
IOBASE equ &FFF3 ; Define I/O memory page
IOINIT equ &FF84 ; Initialise I/O Devices
LISTEN equ &FFB1 ; Command a device on serial bus to LISTEN
LOAD equ &FFD5 ; Load memory from a device
MEMBOT equ &FF9C ; Set bottom of memory
MEMTOP equ &FF99 ; Set top of memory
OPEN equ &FFC0 ; Open a logical file
PLOT equ &FFF0 ; Set cursor location
RAMTAS equ &FF87 ; Perform RAM test
RDTIM equ &FFDE ; Read system clock
READST equ &FFB7 ; Read status word
RESTOR equ &FF8A ; Restore default system & interrup vectors
SAVE equ &FFD8 ; Save memory to a device
SCNKEY equ &FF9F ; Scan the keyboard
SCREEN equ &FFED ; Return screen format
SECOND equ &FF93 ; Send secondary address for LISTEN
SETLFS equ &FFBA ; Setup a logical file
SETMSG equ &FF90 ; Control system message output
SETNAM equ &FFBD ; Set file name
SETTIM equ &FFDB ; Set system clock
SETTMO equ &FFA2 ; Set IEEE bus card timeout
STOP equ &FFE1 ; Check if key/stop key is pressed
TALK equ &FFB4 ; Command a device on serial bus to TALK
TKSA equ &FF96 ; Send secondary address to a device commanded to TALK
UDTIM equ &FFEA ; Update system clock
UNLISTEN equ &FFAE ; Send an UNLISTEN command
UNTLK equ &FFAB ; Send an UNTALK command
VECTOR equ &FF8D ; Manage RAM Vectors