FDC37C669_07 SMSC [SMSC Corporation], FDC37C669_07 Datasheet - Page 119

• Manufacturer Part Number: FDC37C669_07
• Description: PC 98/99 Compliant Super I/O Floppy Disk Controller with Infrared Support
• Manufacturer: SMSC [SMSC Corporation]

;-----------------------------.
; ENTER CONFIGURATION MODE
;-----------------------------'
MOV
MOV
CLI
OUT
OUT
STI
;-----------------------------.
; CONFIGURE REGISTERS CR0-CRx
;-----------------------------'
MOV
MOV
OUT
MOV
MOV
OUT
;
MOV
MOV
OUT
MOV
MOV
OUT
;
; Repeat for all CRx registers
;
;-----------------------------.
; EXIT CONFIGURATION MODE
;-----------------------------'
MOV
MOV
OUT
DX,3F0H
AX,055H
DX,AL
DX,AL
DX,3F0H
AL,00H
DX,AL ; Point to CR0
DX,3F1H
AL,3FH
DX,AL ; Update CR0
DX,3F0H
AL,01H
DX,AL ; Point to CR1
DX,3F1H
AL,9FH
DX,AL ; Update CR1
DX,3F0H
AX,0AAH
DX,AL
;
; disable interrupts
; enable interrupts
;
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