SPC8106 S-MOS Systems, SPC8106 Datasheet - Page 250
SPC8106
Manufacturer Part Number
SPC8106
Description
LCD/CRT VGA CONTROLLER
Manufacturer
S-MOS Systems
Datasheet
1.SPC8106.pdf
(432 pages)
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;**********************************************************************
;
;
;
;
;**********************************************************************
Step1:
;;; if chip enabled at 46e8, use the following code instead:
;;;
;;;
;;;Step1:
;;;
;;;
;;;
;;;
;;;Enable46E8:
;;;
;;;
;;;
;;;
;;;
;**********************************************************************
;
;
;
;
;
;
;
;**********************************************************************
Step2:
Programming Notes and Examples
SP3-24
STEP1 - Before ANY ports can be accessed, the SPC8106FOC chip must be
STEP2 - Unlock Auxiliary Port.
Before programming the Auxiliary port for configuration,
it must be unlocked. Writing 1Ah to 3DEh index DEh and reading
it back will unlock the Auxiliary Port.
mov
mov
out
ret
mov
call
ret
DW
DW
DW
DW
mov
mov
out
inc
in
ret
DW
S-MOS Systems, Inc. • Tel: (408) 922-0200 • Fax: (408) 922-0238 • http://www.smos.com
enabled.
dx,3c3h
al,1
dx,al
si, OFFSET Enable46E8
RunTable
PW+46E8h,16h
PW+0102h,01h
PW+46E8h,0Eh
PW+4AE8h,00h
-1
dx, 3DEh
ax, 1ADEh
dx, ax
dx
al, dx
; DX = port 3DEh.
; AX = index DEh, value 1Ah.
;
; Point to 3DFh.
; Do the read.
X12-AN-003-02
411-1.0
SPC8106
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