fun fact - NES had a licensed 6502 cpu made by Ricoh that specifically lacked decimal math to save on patent license fees http://www.visual6502.org/wiki/index.

fun fact - NES had a licensed 6502 cpu made by Ricoh that specifically lacked decimal math to save on patent license fees http://www.visual6502.org/wiki/index.php?title=6502DecimalMode#Decimal_mode_and_the_NES.27_RP2A03G http://www.visual6502.org/wiki/index.php?title=6502DecimalMo...