Sharp MZ-3500 service manual #1 FFF, Ascii CG

7)ASCII CG

Uses an 8KB MROM contains two patterns'

640 x 400 dots ( 8 x 1 6 dots) and 640 x 200 dots (8x8 dots)

# O F F F
8x8 dot pattern
(2K byte)	For Model 3200 series
! x 8 dot pattern	Without lower-case,
(2K byte)	letter descenders
# 0 0 0 0

MZ3500

With 8 x 8 dot format

two kinds of patterns coexist Refer to ROM address and data code on separate information

#1 FFF

Model 3500

8 x 16 dot pattern

(4K byte)With lower-case, letter (h i j) descenders

#1 000

Address and pattern in picture element	D7	DO	(Address)	(Data)
			. #1000	#00

		O			#1001	10
		o
	o		o		#1002	10
	o		o
					#1003	28
	O		0		#1004	28
					#1005	44
	o		o
					#1006	44
12	ooooo				#1007	7C
	ooooo				#1008	7C
	o		o		#1009	44
	0		0
					#100A	44
	o			o
			0		#1006	44
	0				#100C	44
					#100D	00
					#100E	00
(Example of 5 x 12 dots pattern for 1 x 16 elements)					.- #100F	00
8) Element structure, character structure, and line
				/—	Character pattern area
Element structure, character structure, and line				\—	Line area
				X— Area where pattern and line are overload
640 x 200 dot					640 x 400 dot
1) 25 line display mode	1) 25 line display mode

12

1 5 2

IASCD/JIS]

8

Without line

[Graphic symbol

'With line

HL On 16th line

VL Line ot the right of element

In the case of graphic symbol display Both HL and VLare overlaid to the pattern

- 29 -