https://sneslab.net/wiki/BG1
Layer 1 - SnesLab
Layer 1 is one of the Super NES's five hardware layers. In Super Mario World 1 levels, it is used to store all objects, like ground, walls, different blocks...
layer
https://sneslab.net/wiki/Category:Group_Two_Instructions
Category:Group Two Instructions - SnesLab
Group Two Instructions have 10 as the low two bits of their opcode.
categorygrouptwoinstructions
https://www.sneslab.net/wiki/ROR_(Super_FX)
ROR (Super FX) - SnesLab
ROR (Rotate Right) is a Super FX instruction that rotates the value of the source register and carry flag one bit to the right into the destination register....
rorsuperfx
https://sneslab.net/wiki/List_of_Super_FX_Buses
List of Super FX Buses - SnesLab
The following buses exist on the Super FX:
list ofsuperfxbuses
https://sneslab.net/wiki/BCD
Binary Coded Decimal - SnesLab
BCD stands for Binary Coded Decimal.
binarycodeddecimal