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- ;********** Cyrix/Texas 486SLC/DLC in CX486.CFG********************
-
- INDEXPORT=22h
- DATENPORT=23h
-
- FLUSH=INVD
-
- INDEX=C0h; Configuration Control Register 0
-
- BIT=7 ;0/1 (Suspend) /SUSP input and /SUPSA output
- BIT=6 ; (CO) Cache-Organisation
- 0= 2-Way
- 1= direct mapped
- BIT=5 ;0/1 (BARB) Flush Cache every HOLD
- BIT=4 ;0/1 (FLUSH) /Flush input pin (DLC:E13, SLC:30)
- BIT=3 ;0/1 (KEN) /KEN input pin (DLC:B12, SLC:29)
- BIT=2 ;0/1 (A20M) /A20M input pin (DLC:F13, SLC:31)
- BIT=1 ;0/1 (MC1) 640K-1M non-cacheable
- ; (Bug in A4/A5 Stepping!)
- BIT=0 ;0/1 (NC0) First 64KB always not cacheable
- ; (Real/Virtuell)
-
- INDEX=C1h; Configuration Control Register 1
- Bit=0 ; 0/1 (RPL) output pins /RPLSET and /RPLVAL
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- INDEX=C4h; Non Cacheable Region Register (Default=00h);
- BIT=7654321 ; A31 - A24 of starting address Region 1
-
- INDEX=C5h; Non Cacheable Region Register (Default=0Ah);
- BIT=76543210 ; A23 - A16 of starting address Region 1
-
- INDEX=C6h; Non Cacheable Region Register (Default=06h);
- BIT 7654 ; A15 - A12 of starting address Region 1
- BIT=3210 ; Size of non-cacheable Region 1
-
- INDEX=C7h; Non Cacheable Region Register (Default=00h);
- BIT=7654321 ; A31 - A24 of starting address Region 2
-
- INDEX=C8h; Non Cacheable Region Register (Default=0Ah);
- BIT=76543210 ; A23 - A16 of starting address Region 2
-
- INDEX=C9h; Non Cacheable Region Register (Default=06h);
- BIT 7654 ; A15 - A12 of starting address Region 2
- BIT=3210 ; Size of non-cacheable Region 2
-
- INDEX=CAh; Non Cacheable Region Register (Default=00h);
- BIT=7654321 ; A31 - A24 of starting address Region 3
-
- INDEX=CBh; Non Cacheable Region Register (Default=0Ah);
- BIT=76543210 ; A23 - A16 of starting address Region 3
-
- INDEX=CCh; Non Cacheable Region Register (Default=06h);
- BIT 7654 ; A15 - A12 of starting address Region 3
- BIT=3210 ; Size of non-cacheable Region 3
-
- INDEX=CDh; Non Cacheable Region Register (Default=00h);
- BIT=7654321 ; A31 - A24 of starting address Region 4
-
- INDEX=CEh; Non Cacheable Region Register (Default=0Ah);
- BIT=76543210 ; A23 - A16 of starting address Region 4
-
- INDEX=CFh; Non Cacheable Region Register (Default=06h);
- BIT 7654 ; A15 - A12 of starting address Region 4
- BIT=3210 ; Size of non-cacheable Region 4
-