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- public @civec, @covec, @aivec, @aovec, @lovec, @pageM
- public @bnkbf, @crdma, @crdsk, @vinfo, @resel, @fx, @usrcd
- public @mltio, @ermde, @erdsk, @media, @bflgs
- public @date, @hour, @min, @sec, ?erjmp, @mxtpa
- public @drcha,@drchb,@drchc,@drchd,@tpdrv
-
-
- scb$base equ 0FE00H ; Base of the SCB
-
- @CIVEC equ scb$base+22h ; Console Input Redirection
- ; Vector (word, r/w)
- @COVEC equ scb$base+24h ; Console Output Redirection
- ; Vector (word, r/w)
- @AIVEC equ scb$base+26h ; Auxiliary Input Redirection
- ; Vector (word, r/w)
- @AOVEC equ scb$base+28h ; Auxiliary Output Redirection
- ; Vector (word, r/w)
- @LOVEC equ scb$base+2Ah ; List Output Redirection
- ; Vector (word, r/w)
- @pageM equ scb$base+2Ch ; Page mode. 0=page pause
- ; none 0 = no page break (byte, r/w)
- @BNKBF equ scb$base+35h ; Address of 128 Byte Buffer
- ; for Banked BIOS (word, r/o)
- @CRDMA equ scb$base+3Ch ; Current DMA Address
- ; (word, r/o)
- @CRDSK equ scb$base+3Eh ; Current Disk (byte, r/o)
- @VINFO equ scb$base+3Fh ; BDOS Variable "INFO"
- ; (word, r/o)
- @RESEL equ scb$base+41h ; FCB Flag (byte, r/o)
- @FX equ scb$base+43h ; BDOS Function for Error
- ; Messages (byte, r/o)
- @USRCD equ scb$base+44h ; Current User Code (byte, r/o)
- @MLTIO equ scb$base+4Ah ; Current Multi-Sector Count
- ; (byte,r/w)
- @ERMDE equ scb$base+4Bh ; BDOS Error Mode (byte, r/o)
-
- ;************************************************************
- @DRCHA equ scb$base+4Ch ; Drive search chain
- @DRCHB equ scb$base+4Dh ;
- @DRCHC equ scb$base+4Eh ;
- @DRCHD equ scb$base+4Fh ;
- @TPDRV equ scb$base+50h ; Temporary Drive
- ;**************************************************************
-
- @ERDSK equ scb$base+51h ; BDOS Error Disk (byte,r/o)
- @MEDIA equ scb$base+54h ; Set by BIOS to indicate
- ; open door (byte,r/w)
- @BFLGS equ scb$base+57h ; BDOS Message Size Flag (byte,r/o)
- @DATE equ scb$base+58h ; Date in Days Since 1 Jan 78
- ; (word, r/w)
- @HOUR equ scb$base+5Ah ; Hour in BCD (byte, r/w)
- @MIN equ scb$base+5Bh ; Minute in BCD (byte, r/w)
- @SEC equ scb$base+5Ch ; Second in BCD (byte, r/w)
- ?ERJMP equ scb$base+5Fh ; BDOS Error Message Jump
- ; (word, r/w)
- @MXTPA equ scb$base+62h ; Top of User TPA
- ; (address at 6,7)(word, r/o)
- ; end of normal SCB equates
- b$base+62h ; Top of User TPA
- ; (address at 6,7)(word,