MATRIX_16X2 simulation is easy to understand and or
File list:
MATRIX_16X2
..........\abc.ASM
..........\abc.hex
..........\abc.lst
..........\abc.obj
..........\Last Loaded MATRIX16X2.DBK
..........\MATRIX16X2.DSN
..........\MATRIX16X2.PWI
..........\TV_DELAY.asm