;;;;;;;;;;;;;
; Constants ;
;;;;;;;;;;;;;

SYSCALL_INTERRUPT EQU 80h

SYSCALL_UNKNOWN EQU 0
SYSCALL_CLEAR_SCREEN EQU 1
SYSCALL_READ_CHAR EQU 2
SYSCALL_READ_LINE EQU 3
SYSCALL_PRINT_CHAR EQU 4
SYSCALL_PRINT_STRING EQU 5
SYSCALL_NEWLINE EQU 6
SYSCALL_WAIT_JIFFIES EQU 7
SYSCALL_FLOPPY_READ EQU 8
SYSCALL_FLOPPY_WRITE EQU 9

SYSCALL_INVALID EQU 10

;;;;;;;;
; Code ;
;;;;;;;;
section .text

unknownSyscall:
; Return with ax set to 0 and carry flag set
popf
stc
pushf
xor ax, ax
iret

;;;;;;;;
; Data ;
;;;;;;;;
section .data

syscallTable
dw unknownSyscall	; 0
dw clearScreen		; 1
dw readChar		; 2
dw readLine		; 3
dw printChar		; 4
dw printString		; 5
dw newline		; 6
dw waitJiffies		; 7
dw floppy_read		; 8
dw unknownSyscall	; 9