That was really fun, but the "Our First Program" was really boring. Here's my 2nd program:
LDX #$e
TXA
STA $0200,X
STA $0240,Y
STA $0280,X
STA $0320,Y
STA $0360,X
STA $0400,Y
STA $0440,X
STA $0480,Y
STA $0500,X
INX
DEY
STA $0200,Y
STA $0240,X
STA $0280,Y
STA $0320,X
STA $0360,Y
STA $0400,X
STA $0440,Y
STA $0480,X
STA $0500,Y
INX
DEY
INX
DEY
INX
DEY
INX
DEY
INX
DEY
INX
DEY
JMP $0602
That's a lot more fun to watch, and you can mess around adding INX and DEY opcodes to get completely different effects.
-mini