i need for help,error on z80 program

Thread Starter


Joined Sep 19, 2006
i had given to make some project using microprosessor z80,RAM,EPROM and 4 PPI 8255. it's actually controlling lamps, i'm using key pad matrix as an input device, relay mechanic as a lamp's switch, sound as an indicator error, 6 units 7 segment display as an output ( digital clock ). the hardware design was completed, now i'm working on the program. unfortunately i'm not good on it, i have wrote some program but after compiling the program i' ve got alot of error massage, i try to fix the error over and over again but it's keep shown, what can i say, it's the best i can do. i'm use z80 simulatorIDE as a program simulator . i really need your help, and i hope you will help me to analyze the program and give an error correction.
i attach the program on a .zip file. please give the replay very soon

best regards,