diff options
Diffstat (limited to 'private/sdktools/masm/msdos.inc')
| -rw-r--r-- | private/sdktools/masm/msdos.inc | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/private/sdktools/masm/msdos.inc b/private/sdktools/masm/msdos.inc new file mode 100644 index 000000000..234af6a18 --- /dev/null +++ b/private/sdktools/masm/msdos.inc @@ -0,0 +1,158 @@ +;----------------------------------------------------------------------- +; +; MS-DOS definitions for C runtime + + +_NFILE equ 20 ; maximum # files per process + +STACKSLOP equ 150 ; stack slop for interrupt overhead + + +; __osfile flag values for DOS file handles + +FOPEN equ 01H ; file handle open +FEOFLAG equ 02H ; end of file has been encountered +FDEV equ 40H ; file handle refers to device +FTEXT equ 80H ; file handle is in text mode +FAPPEND equ 20H ; file handle opened O_APPEND +FRDONLY equ 10H ; file handle associated with read only file + + +callos MACRO func +ifnb <func> + mov ah,DOS_&func +endif + int DOS + ENDM + + +DOS equ 21H ; MS-DOS interrupt + +DOS_exit equ 00000H ; exit offset (PSP:0000) +DOS_maxpara equ 00002H ; maximum paragraph (PSP:0002) +DOS_envp equ 0002cH ; environment address (PSP:002c) +DOS_cmdline equ 00080H ; command line offset (PSP:0080) + +DOS_kill equ 00H ; terminate +DOS_echoread equ 01H ; read keyboard and echo +DOS_display equ 02H ; display character +DOS_auxinput equ 03H ; auxiliary input +DOS_auxoutput equ 04H ; auxiliary output +DOS_print equ 05H ; print character +DOS_conio equ 06H ; direct console i/o +DOS_coninput equ 07H ; direct console input +DOS_readkbd equ 08H ; read keyboard +DOS_message equ 09H ; display string +DOS_bufkbdin equ 0aH ; buffered keyboard input +DOS_kbdstatus equ 0bH ; check keyboard status +DOS_flshread equ 0cH ; flush buffer and read keyboard +DOS_diskreset equ 0dH ; disk reset +DOS_selectdisk equ 0eH ; select default disk +DOS_fcbopen equ 0fH ; open file with fcb +DOS_fcbclose equ 10H ; close file with fcb +DOS_fcbfirst equ 11H ; search for first entry with fcb +DOS_fcbnext equ 12H ; search for next entry with fcb +DOS_fcbdelete equ 13H ; delete file with fcb +DOS_fcbsread equ 14H ; sequential read with fcb +DOS_fcbswrite equ 15H ; sequential write with fcb +DOS_fcbcreate equ 16H ; create file with fcb +DOS_fcbrename equ 17H ; rename file with fcb +DOS_currentd equ 19H ; current default disk +DOS_setDMA equ 1aH ; set DMA +DOS_fcbrread equ 21H ; random read with fcb +DOS_fcbrwrite equ 22H ; random write with fcb +DOS_fcbsize equ 23H ; file size with fcb +DOS_fcbsetrec equ 24H ; set relative record with fcb +DOS_setvector equ 25H ; set interrupt vector +DOS_fcbbread equ 27H ; random block read with fcb +DOS_fcbbwrite equ 28H ; random block write with fcb +DOS_fcbparse equ 29H ; parse file name with fcb +DOS_getdate equ 2aH ; get date +DOS_setdate equ 2bH ; set date +DOS_gettime equ 2cH ; get time +DOS_settime equ 2dH ; set time +DOS_verify equ 2eH ; set/reset verify flag +DOS_getDMA equ 2fH ; get DMA +DOS_version equ 30H ; get version number +DOS_keep equ 31H ; keep process +DOS_cntlc equ 33H ; Cntl-C check +DOS_getvector equ 35H ; get interrupt vector +DOS_getdskspc equ 36H ; get disk free space +DOS_country equ 38H ; get country dependent info +DOS_mkdir equ 39H ; make subdirectory +DOS_rmdir equ 3aH ; remove subdirectory +DOS_chdir equ 3bH ; change subdirectory +DOS_create equ 3cH ; create pathname +DOS_open equ 3dH ; open pathname +DOS_close equ 3eH ; close file handle +DOS_read equ 3fH ; read from file handle +DOS_write equ 40H ; write from file handle +DOS_delete equ 41H ; delete pathname +DOS_lseek equ 42H ; move file pointer +DOS_filemode equ 43H ; get/set attributes of pathname +DOS_ioctl equ 44H ; ioctl for devices +DOS_dup equ 45H ; duplicate file handle +DOS_forcedup equ 46H ; force duplicate file handle +DOS_curdir equ 47H ; get current directory +DOS_allocmem equ 48H ; allocate memory block +DOS_freemem equ 49H ; free memory block +DOS_setmem equ 4aH ; set size of memory block +DOS_exec equ 4bH ; load and execute program +DOS_terminate equ 4cH ; terminate process with errorcode +DOS_wait equ 4dH ; get child process return code +DOS_findfirst equ 4eH ; find first file match +DOS_findnext equ 4fH ; find next file match +DOS_getverify equ 54H ; return current verify flag +DOS_rename equ 56H ; rename pathname +DOS_filedate equ 57H ; get/set file handle date/time +DOS_locking equ 5CH ; file record locking/unlocking +DOS_sleep equ 89H ; delay process execution + + +; DOS error codes + +doserr MACRO num,name,text +name equ num + ENDM + +doserr 1, E_ifunc, <invalid function code> +doserr 2, E_nofile, <file not found> +doserr 3, E_nopath, <path not found> +doserr 4, E_toomany, <too many open files> +doserr 5, E_access, <access denied> +doserr 6, E_ihandle, <invalid handle> +doserr 7, E_arena, <arena trashed> +doserr 8, E_nomem, <not enough memory> +doserr 9, E_iblock, <invalid block> +doserr 10, E_badenv, <bad environment> +doserr 11, E_badfmt, <bad format> +doserr 12, E_iaccess, <invalid access code> +doserr 13, E_idata, <invalid data> +doserr 14, E_unknown, <??? unknown error ???> +doserr 15, E_idrive, <invalid drive> +doserr 16, E_curdir, <current directory> +doserr 17, E_difdev, <not same device> +doserr 18, E_nomore, <no more files> +doserr 19, E_maxerr2, <unknown error - Version 2.0> + +; the following errors can occur only in DOS 3.0 + +doserr 32, E_sharerr, <sharing violation> +doserr 33, E_lockerr, <locking violation> +doserr 34, E_maxerr3, <unknown error - Version 3.0> + + +; DOS file attributes + +A_ro equ 01H ; read-only file +A_h equ 02H ; hidden +A_s equ 04H ; system +A_v equ 08H ; volume ID +A_d equ 10H ; directory +A_a equ 20H ; archive + +A_mod equ A_ro+A_h+A_s+A_a ; modifiable attributes + +; end of msdos.inc +;----------------------------------------------------------------------- +
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