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kvisc/ka/crt/sys.k
julianb0 3559d69b61
ka
2019-08-05 15:55:46 +02:00

91 lines
1.1 KiB
Plaintext

; The OS/K Team licenses this file to you under the MIT license.
; See the LICENSE file in the project root for more information.
;
; SHUTDOWN syscall
;
; End virtual machine
;
Sys.Shutdown := 0x00
;
; EXIT syscall
;
; Return to COMMAND.COM
;
Sys.Exit := 0x01
; FIND syscalls
;
; Find file on disk
;
; IN
; ax0 = address of name buffer
; ax1 = size of name buffer
;
; OUT
; rax = # of bytes written in name buffer
; rdx = size of file
;
;
Sys.FindFirst := 0x20
Sys.FindNext := 0x21
;
; OPEN syscall
;
; IN
; ax0 = name string
;
; OUT
; rax = handle of file, or <0 if couldn't open
;
Sys.OpenFile := 0x30
;
; CREATE syscall
;
; IN
; ax0 = name string
;
; OUT
; rax = 0 on success, or <0 if couldn't open
;
Sys.CreateFile := 0x31
;
; REMOVE syscall
;
; IN
; ax0 = name string
;
; OUT
; rax = 0 on success, or <0 if couldn't open
;
Sys.RemoveFile := 0x32
;
; CLOSE syscall
;
; IN
; ax0 = file handle
;
Sys.CloseFile := 0x35
;
; READ syscall
;
; IN
; ax0 = file handle
; ax1 = buffer address
; ax2 = buffer size
;
; OUT
; rax = number of bytes read, <0 on error
;
Sys.ReadFile := 0x38
; Halt mode
Sys.EnterHaltMode := 0x999