Changes

D7D6 D0 D3 D4 D1 D2 NCAS A15 A14 GND ;pin 1..10

CPU A15S AMUX MUX LCLK CAS1 CAS0 IOWR A14S VCC ;pin 11..20

IF (VCC) /LCLK= D7D6 * /A15 * /IOWR ;load external latch on OUT [7Fxxh],C0h..FFh

IF (VCC) /CAS0= /NCAS * /D4 + ;bank bit4=0, select bank 0..15 (CPU and CRTC)

/CAS0= /NCAS * A15 +

/CAS0= /NCAS * /A14 +

/CAS0= /NCAS * CPU

IF (VCC) /CAS1= /NCAS * D4 * /A15 * A14 * /CPU ;bank bit4=1, select bank 16..31 (CPU at 4000h..7FFFh only)

IF (VCC) /A14S= /A14 + ;bank bit0

/D0 * D2 * /A15 +

/D0 * D3 * /A15 +

/D0 * D4 * /A15

IF (VCC) /A15S= /A14 * /A15 + ;bank bit1

/D1 * /A15 +

/D4 * /D3 * /D2 * /D0 * /A15 +

/D4 * /D3 * /D2 * /D1 * /A15

IF (VCC) /AMUX= /D0 * D1 * /D2 * /D3 * /D4 * /CPU * /MUX +

A15 * A14 * /D2 * D0 * /CPU * /MUX +

/A15 * A14 * D2 * /CPU * /MUX + ;bank bit2

/A15 * A14 * D3 * /CPU * MUX ;bank bit3

IF (GND) /MUX = /MUX ;dummy (do not output anything on this pin)

IF (GND) /IOWR=/IOWR ;dummy (do not output anything on this pin)