;Flash a LED on SOD
;Top of RAM @ 0x4000
START: LXI H, 4000h
SPHL
FLASH: MVI A, 0C0h
SIM
CALL DELAY
MVI A, 40h
SIM
CALL DELAY
JMP FLASH
;Delay, return to HL when done.
DELAY: MVI A, 0FFh
MOV B, A
PT1: DCR A
PT2: DCR B
JNZ PT2
CPI 00h
JNZ PT1
RET
--------------------------------------------------
8085 DISASSEMBLER LISTING
Line Addr Opcodes Label Instruction
--------------------------------------------------
0001 0000 21 10 40 LXI H,4010H
0002 0003 F9 SPHL
0003 0004 3E C0 L0002: MVI A,0C0H
0004 0006 30 SIM
0005 0007 CD 13 00 CALL L0001
0006 000A 3E 40 MVI A,40H
0007 000C 30 SIM
0008 000D CD 13 00 CALL L0001
0009 0010 C3 04 00 JMP L0002
0010 0013 3E 1F L0001: MVI A,1FH
0011 0015 47 MOV B,A
0012 0016 3D L0004: DCR A
0013 0017 05 L0003: DCR B
0014 0018 C2 17 00 JNZ L0003
0015 001B FE 00 CPI 00H
0016 001D C2 16 00 JNZ L0004
0017 0020 C9 RET
---------------------------------------------
LIST OF LABELS
Sorted by address: Sorted by name:
---------------------------------------------
L0002: 0004 L0001: 0013
L0001: 0013 L0002: 0004
L0004: 0016 L0003: 0017
L0003: 0017 L0004: 0016
Your schematic is hard to read. Could you put up a better picture somewhere?
he 2864 and 6264 in the PDF schematics lacks most of the connections to the power lines. If you didn't add those, then the two components won't get any power at all, and they'll certanly not work properly.