Sharp MZ-3500 60H, Explanation, VECTE. Dot address is structured on the screen, CSRWdata

M23500
[Explanation]
C-COMMAND CODE	) To	A
p_ PARAMETER	'
Display dot, specify the display address of the VRAM and			Address 0001

the dot address. Set the command code of the SET mode (set mode plus CLEAR, REPLACE, and COMPLEMENT modes using "WRITE", and specify to start with

"VECTE". Dot address is structured on the screen in the	d A D = 0 1 2 3 1 5 6 7 8 9 10 11 12 13 14 15
following manner.
[Dot display program example-1]

LD	HL	.5000H
LD	(HL)	. 49H
INC	L
LD	(HL)	,01H
INC	L

5000 — 49 H

5001 — 01 H

5002 — 00 H

5003 — 30 H

CSRWdata

LD	(HL) , OOH
INC	L
LD	(HL)	30H
INC	L
LD	(HL)	,23H
INC	L
LD	(HL) , 6CH
LD	C	, 6 0 H
LD	B	,4H
LD	HL	, 5 0 0 0 H
CALL	GDC
LD	C	, 6 0 H
LD	B	, 1H
LD	HL	. 5 0 0 4 H
CALL	GDC
LD	C	, 60H
LD	B	, 1H
LD	HL	. 5 0 0 5 H

5004 — 23 H } W R I T E data 5005 — 6CH } VECTE data

C—BOH (port address during graphic draw) B - Byte size CSRW data

HL - Topaddress of theCSRW data

Command, parameter of CSRW - GDC

B - Byte size of the WRITE data HL - Topaddress of theWRITE data

Command, parameter of W R I T E - GDC

B — Byte number of the VECTE data HL - Topaddress of theVECTE data

CALL GDC ; Command, parameter of the VECTE - GDC