;Z80 LCD text display test program
;M. Eric Carr / Drexel University
;mec82@drexel.edu

;Outputs "Hello, World!" to an LCD display;
;control port is at I/O address 0x00 and
;data port is at I/O address 0x01.

;(Display self-initializes; cursor is at beginning
; of first line of text.)

;(Yes, this could be done a *lot* more efficiently.)


0000	0E	;LD C, 0x01
0001	01
	
0002	3E	;LD A, 0x22
0003	22

0004	ED	;OUT (C), A	(")
0005	79

0006	3E	;LD A, 0x48
0007	48

0008	ED	;OUT (C), A	(H)
0009	79

000A	3E	;LD A, 0x65
000B	65

000C	ED	;OUT (C), A	(e)
000D	79

000E	3E	;LD A, 0x6C
000F	6C

0010	ED	;OUT (C), A	(l)
0011	79

0012	ED	;OUT (C), A	(l)
0013	79

0014	3E	;LD A, 0x6F
0015	6F

0016	ED	;OUT (C), A	(o)
0017	79

0018	3E	;LD A, 0x2C
0019	2C

001A	ED	;OUT (C), A	(,) 
001B	79	

001C	3E	;LD A, 0x20
001D	20

001E	ED	;OUT (C), A	( ) 
001F	79	

0020	3E	;LD A, 0x57
0021	57

0022	ED	;OUT (C), A	(W) 
0023	79	

0024	3E	;LD A, 0x6F
0025	6F

0026	ED	;OUT (C), A	(o) 
0027	79	

0028	3E	;LD A, 0x72
0029	72

002A	ED	;OUT (C), A	(r) 
002B	79	

002C	3E	;LD A, 0x6C
002D	6C

002E	ED	;OUT (C), A	(l) 
002F	79	

0030	3E	;LD A, 0x64
0031	64

0032	ED	;OUT (C), A	(d) 
0033	79	

0034	3E	;LD A, 0x21
0035	21

0036	ED	;OUT (C), A	(!) 
0037	79	

0038	3E	;LD A, 0x22
0039	22

003A	ED	;OUT (C), A	(") 
003B	79