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Digital-Research-Source-Code/CPM OPERATING SYSTEMS/CPM 86/CONCURRENT/CCPM-86 2.0 SOURCE/kern/system.def
Sepp J Morris 31738079c4 Upload
Digital Research
2020-11-06 18:50:37 +01:00

32 lines
1.1 KiB
Modula-2

;*****************************************************
;*
;* SYSTEM DEFINITIONS
;*
;*****************************************************
true equ 0ffffh ; value of TRUE
false equ 0 ; value of FALSE
unknown equ 0 ; value to be filled in
dskrecl equ 128 ; log. disk record len
fcblen equ 32 ; size of file control block
pnamsiz equ 8 ; size of process name
qnamsiz equ pnamsiz ; size of queue name
fnamsiz equ pnamsiz ; size of file name
ftypsiz equ 3 ; size of file type
osint equ 224 ; int vec for O.S. entry
debugint equ osint+1 ; int vec for debuggers
ulen equ 0100h ; size of uda
u8087len equ ulen + 94 ; size of uda when process uses 8087
pdlen equ 030h ; size of Process Descriptor
todlen equ 5 ; size of Time of Day struct
flag_tick equ 1 ; flag 0 = tick flag
flag_sec equ 2 ; flag 1 = second flag
flag_min equ 3 ; flag 2 = minute flag
ldtabsiz equ 0aah ; ldtablen=11, 10 entries
mpm equ false ; MP/M-86 or
ccpm equ not mpm ; CCP/M-86
BCPM equ false ; CP/M-86 BDOS
BMPM equ not BCPM ; multi-process BDOS