#Intel 8080 machine code, MITS Altair 8800, 10 bytes
00 00 00 00 00 00 00 00 76
Listing:
0000 00 NOP
0001 00 NOP
0002 00 NOP
0003 00 NOP
0004 00 NOP
0005 00 NOP
0006 00 NOP
0007 00 NOP
0008 00 NOP
0009 00 NOP
000A 76 HLT
Uses the CPU's program counter (PC, aka instruction pointer) to count from 0 to 10 then halt. The output display is conveniently in nibble format already.
Output:
Output is displayed on Blinkenlights A3-A0.
