|MEMBOT||FF9C||Set bottom of memory|
This routine reads or writes the bottom of memory.
When the Carry flag is set then the bottom memory address is read into the X, Y index registers.
When the Carry flag is clear then the bottom memory address is set to the address in the X, Y index registers.
The value is stored in the MEMSTR variable at 0x281.
|V20 with 3K expansion||0x0400|
|V20 with 8K or more||0x1200|