$4D/77:   Mask used during FRMEVL

Kernal-Reference:

 CMP $4D     : $ADCB
 DEC $4D     : $B032
 EOR $4D     : $ADC9
 LDA $4D     : $AE2B
 LDX $4D     : $ADD7
 STA $4D     : $ADB6 $ADCF $AE15

    Previous Page / Next Page