SPC8104 S-MOS Systems, SPC8104 Datasheet - Page 164

• Manufacturer Part Number: SPC8104
• Description: VGA LCD CONTROLLER
• Manufacturer: S-MOS Systems

;**********************************************************************
;
;
;
;**********************************************************************
Step5:
@@:
Programming Notes and Examples
SP3-10
STEP5 - Load Font. Load font into plane 2.
DW
DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
DW
mov
call
mov
mov
mov
xor
mov
mov
rep
add
dec
jnz
mov
call
ret
S-MOS Systems, Inc. • Tel: [phone] • Fax: [phone] • http://www.smos.com
3CEH
-1
si, offset OpenFontMapTbl
RunTable
si,offset CharSet8 ; 8x8 font offset
ax,0A000h
es,ax
di,di
ax,256
cx,4
movsw
di,32-8
ax
@B
si, offset CloseFontMapTbl
RunTable
00H,000h
01H,000h
02H,000h
03H,000h
04H,000h
05H,010h
06H,00Eh
07H,000h
08H,0FFh
-1
; Graphics.
; End of STEP4
; estabilish planar addressing
; at A000h, enable plane 2 for write
; Set ES to Vram segment
; Set character count
; Set point count (4 WORDS)
; Transfer this character
; Next map entry
; Count character
; Do all characters
; estabilish text addressing again
; End of Step5.
412-1.0
SPC8104