16K Total ROM

H7 enabled on CS1=L, CS2=H, CS3=H Kernal F800-FFFF
H6 enabled on CS1=L, CS2=H, CS3=H BASIC D800-DFFF
H5 enabled on CS1=L, CS2=H, CS3=H BASIC C800-CFFF
H4 enabled on CS1=L, CS2=L, CS3=H Kernal F000-F7FF
H3 enabled on CS1=L, CS2=L, CS3=H Editor E000-E7FF
H2 enabled on CS1=L, CS2=L, CS3=H BASIC D000-D7FF
H1 enabled on CS1=L, CS2=L, CS3=H BASIC C000-C7FF
A2 enabled on CS1=L, CS2=L, CS3=H Character ROM