EXOS 2.0 Address EXOS 2.1 Address Name
(BF97h)...(BF99h)-1 (BF91h)...(BF93h)-1 Channel area
(BF99h)...(BF9Bh)-1 (BF93h)...(BF95h)-1 Device descriptors
(BF9Bh)...(BF9Eh)-1 (BF95h)...(BF97h)-1 RAM areas allocated to the ROM extensions
(BF9Eh)...(BFA0h) (BF97h)...(BF9Ch) Extension ROM list
(BFA0h)+1...(BF9Eh)...ABD5h (BF9Ch)+1...(BF9Ah)...ABD0h RAM segment list
ABD6h... ABD1h... EXOS work area
...B21Bh ...B216h Z80 Stack under EXOS operations
B21Ch...B234h B217h...B22Fh EXOS paging routines
B235h...B256h B230h...B251h "Written by: Mrl BT NMV GNH CGE AEL"
    Devices work area
B680h...BAFFh B480h...B8FFh Character Font (128 characters)
(BFF4h)BB00h...BD1Fh (BFF4h) B900h...BB1Fh Line Parameter Table
    EXOS work area
BEBCh...BEE3h BEB8h...BEDFh Status Line
    EXOS work area
BF1Dh... BF18h... Default Device
    EXOS work area
BF76h BF72h Time: Second (BCD)
BF77h BF73h Time: Minute (BCD)
BF78h BF74h Time: Hour (BCD)
BF79h BF75h Date: Day (BCD)
BF7Ah BF76h Date: Month (BCD)
BF7Bh BF77h Date: Year (BCD), started at 1980
    EXOS work area
BF82h BF7Eh ROM CRC for secret protection routine
    EXOS work area
BF97/8h BF93/4h Bottom of the Device descriptors
BF99/Ah BF95/6h Bottom of the RAM area allocated to the ROM extensions
BF9B/Ch BF97/8h End Pointer of the ROM list
BF9Dh BF99h  
BF9E/Fh BF9A/Bh Pointer of the RAM list
BFA0/1h BF9C/Dh Start Pointer of the ROM list
BFA2h BF9Eh Segment number of the SHARED segment (0 if none)
BFA3h BF9Fh Number of free segments
BFA4h BFA0h Number of USER allocated  segments
BFA5h BFA1h Number of DEVICE allocated  segments
BFA6h BFA2h Number of SYSTEM segments
BFA7h BFA3h Number of working segments
BFA8h BFA4h Number of defective segments
     
BFBE/F/C0h BFBA/B/Ch First pointer of the Channel chain
BFC1/2/3h BFBD/E/Fh First pointer of the Device chain
BFC4/5/6h BFC0/1/2h First pointer of the System Extension chain
     
BFC9h BFC5h IRQ_ENABLE_STATE
BFCAh BFC6h  
BFCBh BFC7h CODE_SOFT_IRQ
BFCCh BFC8h DEF_TYPE
BFCDh BFC9h DEF_CHAN
BFCEh BFCAh TIMER
BFCFh BFCBh LOCK_KEY
BFD0h BFCCh CLICK_KEY
BFD1h BFCDh STOP_IRQ
BFD2h BFCEh KEY_IRQ
BFD3h BFCFh RATE_KEY
BFD4h BFD0h DELAY_KEY
BFD5h BFD1h TAPE_SND
BFD6h BFD2h WAIT_SND
BFD7h BFD3h MUTE_SND
BFD8h BFD4h BUF_SND
BFD9h BFD5h BAUD_SER
BFDAh BFD6h FORM_SER
BFDBh BFD7h ADDR_NET
BFDCh BFD8h NET_IRQ
BFDDh BFD9h CHAN_NET
BFDEh BFDAh MACH_NET
BFDFh BFDBh MODE_VID
BFE0h BFDCh COLR_VID
BFE1h BFDDh X_SIZ_VID
BFE2h BFDEh Y_SIZ_VID
BFE3h BFDFh ST_FLAG
BFE4h BFE0h BORD_VID
BFE5h BFE1h BIAS_VID
BFE6h BFE2h VID_EDIT
BFE7h BFE3h KEY_EDIT
BFE8h BFE4h BUF_EDIT
BFE9h BFE5h FLG_EDIT
BFEAh BFE6h SP_TAPE
BFEBh BFE7h PROTECT
BFECh BFE8h LV_TAPE
BFEDh BFE9h REM1
BFEEh BFEAh REM2
Not exist BFEBh SPRITE
Not exist BFECh RANDOM_IRQ
Not exist BFED/Eh USER_ISR
BFEFh CRDISP_FLAG
BFF0/1h SECOND_COUNTER
BFF2h FLAG_SOFT_IRQ
BFF3h PORTB5
BFF4/5h LP_POINTER
BFF6/7h ST_POINTER
BFF8/9h RST_ADDR
BFFA/Bh STACK_LIMIT
BFFCh USR_P0
BFFDh USR_P1
BFFEh USR_P2
BFFFh USR_P3