Initial push to git

This commit is contained in:
Terence Boldt 2019-05-13 09:11:26 -04:00
parent 22ec2aeee0
commit 10d923a040
17 changed files with 61874 additions and 0 deletions

195
Firmware/Firmware.asm Normal file
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;Please note this code is assembled seven times,
;once for each slot in the Apple II.
;This allows the card to work in any slot without
;having to write space consuming relocatable code.
;Determine which slot we want by command-line define
if SLOT1
slot equ $01
endif
if SLOT2
slot equ $02
endif
if SLOT3
slot equ $03
endif
if SLOT4
slot equ $04
endif
if SLOT5
slot equ $05
endif
if SLOT6
slot equ $06
endif
if SLOT7
slot equ $07
endif
;Calculate I/O addresses for this slot
slotwh equ $C081+slot*$10
slotwl equ $C080+slot*$10
slotrd equ $C080+slot*$10
sdrive equ slot*$10
sram0 equ $478+slot
sram1 equ $4F8+slot
sram2 equ $578+slot
sram3 equ $5F8+slot
sram4 equ $678+slot
sram5 equ $6F8+slot
sram6 equ $778+slot
sram7 equ $7F8+slot
;ProDOS defines
command equ $42 ;ProDOS command
unit equ $43 ;7=drive 6-4=slot 3-0=not used
buflo equ $44 ;low address of buffer
bufhi equ $45 ;hi address of buffer
blklo equ $46 ;low block
blkhi equ $47 ;hi block
ioerr equ $27 ;I/O error code
nodev equ $28 ;no device connected
wperr equ $2B ;write protect error
org $C000+slot*$100
;code is non-relocatable
; but duplicated seven times,
; once for each slot
;ID bytes for booting and drive detection
cpx #$20 ;ID bytes for ProDOS and the
cpx #$00 ; Apple Autostart ROM
cpx #$03 ;
cpx #$3C ;this one for older II's
;display copyright message
ldy #$00
drawtxt lda text,y
beq boot ;check for NULL
ora #$80 ;make it visible to the Apple
sta $07D0,y ;put text on last line
iny
bpl drawtxt
;load first two blocks and execute to boot
boot lda #$01 ;set read command
sta command
lda #sdrive ;set slot and unit
sta unit
lda #$00 ;block 0
sta blklo
sta blkhi
sta buflo ;buffer at $800
lda #$08
sta bufhi
jsr entry ;get the block
lda #$00 ;block 1
sta blklo
sta blkhi
sta buflo ;buffer at $A00
lda #$0A
sta bufhi
jsr entry ;get the block
ldx #sdrive ;set up for slot n
jmp $801 ;execute the block
;This is the ProDOS entry point for this card
entry lda #sdrive ;unit number is $n0 - n = slot
cmp unit ;make sure same as ProDOS
beq docmd ;yep, do command
sec ;nope, set device not connected
lda #nodev
rts ;go back to ProDOS
docmd lda command ;get ProDOS command
beq getstat ;command 0 is GetStatus
cmp #$01 ;
beq readblk ;command 1 is ReadBlock
sec ;Format/Write not permitted
lda #wperr ;write protect error
rts ;go back to ProDOS
getstat clc ;send back status
lda #$00 ;good status
ldx #$00 ;1024 blocks
ldy #$04 ;
rts
readblk lda blkhi ;get hi block
asl a ;shift up to top 3 bits
asl a ;since that's all the high
asl a ;blocks we can handle
asl a ;
asl a ;
sta sram0 ;save it in scratch ram 0
;so we can stuff it in the
;high latch later
lda blklo ;get low block
lsr a ;shift so we get the top 5
lsr a ;bits - this also goes in
lsr a ;the high latch
ora sram0 ;add it to those top 3 bits
sta sram0 ;save it back in scratch ram
lda blklo ;get low block
asl a ;shift it to top 3 bits
asl a ;
asl a ;
asl a ;
asl a ;
sta sram1 ;save it in scratch ram
jsr get256 ;get first half of block
lda sram1 ;get low latch
and #$F0 ;clear bottom 4 bits
ora #$10 ;set bit 5 for second half
;of 512 byte block
sta sram1 ;save it back in scratch
inc bufhi ;write 2nd block up 256 bytes
jsr get256 ;get second half of block
dec bufhi ;put ProDOS buffer back
clc ;clear error code for success
lda #$00
rts ;return to ProDOS
;This gets 256 bytes from the ROM card
;assuming high latch value is in sram0
;and low latch value is in sram1
get256 ldy #$00 ;clear buffer counter
lda sram0 ;get high latch value
sta slotwh ;set high latch for card
loop256 ldx #$00 ;clear port counter
lda sram1 ;get low latch value
sta slotwl ;set low latch
loop16 lda slotrd,x ;get a byte
sta (buflo),y ;write into the buffer
iny
inx
cpx #$10
bne loop16 ;go until 16 bytes read
inc sram1 ;next 16 bytes
cpy #$00
bne loop256 ;go until 256 total
rts
text db "ROM-Drive (c)1998-2019 Terence J. Boldt", 0
org $C0FC+slot*$100
db 0,0 ;0000 blocks = check status
db 3 ;bit 0=read 1=status
db entry&$00FF ;low byte of entry

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677
Hardware/ProDOS ROM-Drive 2.2.net Executable file
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@ -0,0 +1,677 @@
(export (version D)
(design
(source "/Volumes/data1/Apple2/ProDOS ROM-Drive 2/ProDOS ROM-Drive 2.2.sch")
(date "Tuesday, April 02, 2019 at 10:07:18 pm")
(tool "Eeschema (5.0.1-3-g963ef8bb5)")
(sheet (number 1) (name /) (tstamps /)
(title_block
(title "ProDOS ROM-Drive")
(company)
(rev 2.2)
(date)
(source "ProDOS ROM-Drive 2.2.sch")
(comment (number 1) (value ""))
(comment (number 2) (value ""))
(comment (number 3) (value ""))
(comment (number 4) (value "")))))
(components
(comp (ref J1)
(value "Apple II Expansion Slot")
(footprint "Connector:Apple II Expansion Edge Connector")
(datasheet ~)
(libsource (lib Connector_Generic) (part Conn_02x25_Counter_Clockwise) (description "Generic connector, double row, 02x25, counter clockwise pin numbering scheme (similar to DIP packge numbering), script generated (kicad-library-utils/schlib/autogen/connector/)"))
(sheetpath (names /) (tstamps /))
(tstamp 5C72A915))
(comp (ref U1)
(value 74LS00)
(footprint Package_DIP:DIP-14_W7.62mm)
(datasheet http://www.ti.com/lit/gpn/sn74ls00)
(libsource (lib 74xx) (part 74LS00) (description "quad 2-input NAND gate"))
(sheetpath (names /) (tstamps /))
(tstamp 5C72AA8F))
(comp (ref U2)
(value 74LS32)
(footprint Package_DIP:DIP-14_W7.62mm)
(datasheet http://www.ti.com/lit/gpn/sn74LS32)
(libsource (lib 74xx) (part 74LS32) (description "Quad 2-input OR"))
(sheetpath (names /) (tstamps /))
(tstamp 5C72AF3F))
(comp (ref DataBuffer1)
(value 74LS245)
(footprint Package_DIP:DIP-20_W7.62mm)
(datasheet http://www.ti.com/lit/gpn/sn74LS245)
(libsource (lib 74xx) (part 74LS245) (description "Octal BUS Transceivers, 3-State outputs"))
(sheetpath (names /) (tstamps /))
(tstamp 5C72BA8A))
(comp (ref LowAddrBuffer1)
(value 74LS245)
(footprint Package_DIP:DIP-20_W7.62mm)
(datasheet http://www.ti.com/lit/gpn/sn74LS245)
(libsource (lib 74xx) (part 74LS245) (description "Octal BUS Transceivers, 3-State outputs"))
(sheetpath (names /) (tstamps /))
(tstamp 5C72BDB8))
(comp (ref HiAddrBuffer1)
(value 74LS245)
(footprint Package_DIP:DIP-20_W7.62mm)
(datasheet http://www.ti.com/lit/gpn/sn74LS245)
(libsource (lib 74xx) (part 74LS245) (description "Octal BUS Transceivers, 3-State outputs"))
(sheetpath (names /) (tstamps /))
(tstamp 5C72BFE6))
(comp (ref LowAddrLatch1)
(value 74LS374)
(footprint Package_DIP:DIP-20_W7.62mm)
(datasheet http://www.ti.com/lit/gpn/sn74LS374)
(libsource (lib 74xx) (part 74LS374) (description "8-bit Register, 3-state outputs"))
(sheetpath (names /) (tstamps /))
(tstamp 5C72C29D))
(comp (ref HiAddrLatch1)
(value 74LS374)
(footprint Package_DIP:DIP-20_W7.62mm)
(datasheet http://www.ti.com/lit/gpn/sn74LS374)
(libsource (lib 74xx) (part 74LS374) (description "8-bit Register, 3-state outputs"))
(sheetpath (names /) (tstamps /))
(tstamp 5C72C547))
(comp (ref EPROM1)
(value 27C080)
(footprint Package_DIP:DIP-32_W15.24mm)
(datasheet http://ww1.microchip.com/downloads/en/devicedoc/doc0360.pdf)
(libsource (lib Memory_EPROM) (part 27C080) (description "OTP EPROM 8 MiBit (1 Mi x 8)"))
(sheetpath (names /) (tstamps /))
(tstamp 5C72C7EC))
(comp (ref C8)
(value 0.1µF)
(footprint Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm)
(datasheet ~)
(libsource (lib Device) (part C_Small) (description "Unpolarized capacitor, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 5C818D34))
(comp (ref C2)
(value 0.1µF)
(footprint Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm)
(datasheet ~)
(libsource (lib Device) (part C_Small) (description "Unpolarized capacitor, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 5C8192D3))
(comp (ref C1)
(value 0.1µF)
(footprint Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm)
(datasheet ~)
(libsource (lib Device) (part C_Small) (description "Unpolarized capacitor, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 5C81986C))
(comp (ref C5)
(value 0.1µF)
(footprint Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm)
(datasheet ~)
(libsource (lib Device) (part C_Small) (description "Unpolarized capacitor, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 5C81A0E4))
(comp (ref C6)
(value 0.1µF)
(footprint Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm)
(datasheet ~)
(libsource (lib Device) (part C_Small) (description "Unpolarized capacitor, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 5C81A5A9))
(comp (ref C7)
(value 0.1µF)
(footprint Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm)
(datasheet ~)
(libsource (lib Device) (part C_Small) (description "Unpolarized capacitor, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 5C81B5FF))
(comp (ref C3)
(value 0.1µF)
(footprint Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm)
(datasheet ~)
(libsource (lib Device) (part C_Small) (description "Unpolarized capacitor, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 5C81BEDE))
(comp (ref C4)
(value 0.1µF)
(footprint Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm)
(datasheet ~)
(libsource (lib Device) (part C_Small) (description "Unpolarized capacitor, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 5C81C3BC)))
(libparts
(libpart (lib 74xx) (part 74LS00)
(aliases
(alias 74LS37)
(alias 7400)
(alias 74HCT00)
(alias 74HC00))
(description "quad 2-input NAND gate")
(docs http://www.ti.com/lit/gpn/sn74ls00)
(footprints
(fp DIP*W7.62mm*)
(fp SO14*))
(fields
(field (name Reference) U)
(field (name Value) 74LS00))
(pins
(pin (num 1) (name ~) (type input))
(pin (num 2) (name ~) (type input))
(pin (num 3) (name ~) (type output))
(pin (num 4) (name ~) (type input))
(pin (num 5) (name ~) (type input))
(pin (num 6) (name ~) (type output))
(pin (num 7) (name GND) (type power_in))
(pin (num 8) (name ~) (type output))
(pin (num 9) (name ~) (type input))
(pin (num 10) (name ~) (type input))
(pin (num 11) (name ~) (type output))
(pin (num 12) (name ~) (type input))
(pin (num 13) (name ~) (type input))
(pin (num 14) (name VCC) (type power_in))))
(libpart (lib 74xx) (part 74LS245)
(aliases
(alias 74HC245))
(description "Octal BUS Transceivers, 3-State outputs")
(docs http://www.ti.com/lit/gpn/sn74LS245)
(footprints
(fp DIP?20*))
(fields
(field (name Reference) U)
(field (name Value) 74LS245))
(pins
(pin (num 1) (name A->B) (type input))
(pin (num 2) (name A0) (type 3state))
(pin (num 3) (name A1) (type 3state))
(pin (num 4) (name A2) (type 3state))
(pin (num 5) (name A3) (type 3state))
(pin (num 6) (name A4) (type 3state))
(pin (num 7) (name A5) (type 3state))
(pin (num 8) (name A6) (type 3state))
(pin (num 9) (name A7) (type 3state))
(pin (num 10) (name GND) (type power_in))
(pin (num 11) (name B7) (type 3state))
(pin (num 12) (name B6) (type 3state))
(pin (num 13) (name B5) (type 3state))
(pin (num 14) (name B4) (type 3state))
(pin (num 15) (name B3) (type 3state))
(pin (num 16) (name B2) (type 3state))
(pin (num 17) (name B1) (type 3state))
(pin (num 18) (name B0) (type 3state))
(pin (num 19) (name CE) (type input))
(pin (num 20) (name VCC) (type power_in))))
(libpart (lib 74xx) (part 74LS32)
(description "Quad 2-input OR")
(docs http://www.ti.com/lit/gpn/sn74LS32)
(footprints
(fp DIP?14*))
(fields
(field (name Reference) U)
(field (name Value) 74LS32))
(pins
(pin (num 1) (name ~) (type input))
(pin (num 2) (name ~) (type input))
(pin (num 3) (name ~) (type output))
(pin (num 4) (name ~) (type input))
(pin (num 5) (name ~) (type input))
(pin (num 6) (name ~) (type output))
(pin (num 7) (name GND) (type power_in))
(pin (num 8) (name ~) (type output))
(pin (num 9) (name ~) (type input))
(pin (num 10) (name ~) (type input))
(pin (num 11) (name ~) (type output))
(pin (num 12) (name ~) (type input))
(pin (num 13) (name ~) (type input))
(pin (num 14) (name VCC) (type power_in))))
(libpart (lib 74xx) (part 74LS374)
(description "8-bit Register, 3-state outputs")
(docs http://www.ti.com/lit/gpn/sn74LS374)
(footprints
(fp DIP?20*))
(fields
(field (name Reference) U)
(field (name Value) 74LS374))
(pins
(pin (num 1) (name OE) (type input))
(pin (num 2) (name O0) (type 3state))
(pin (num 3) (name D0) (type input))
(pin (num 4) (name D1) (type input))
(pin (num 5) (name O1) (type 3state))
(pin (num 6) (name O2) (type 3state))
(pin (num 7) (name D2) (type input))
(pin (num 8) (name D3) (type input))
(pin (num 9) (name O3) (type 3state))
(pin (num 10) (name GND) (type power_in))
(pin (num 11) (name Cp) (type input))
(pin (num 12) (name O4) (type 3state))
(pin (num 13) (name D4) (type input))
(pin (num 14) (name D5) (type input))
(pin (num 15) (name O5) (type 3state))
(pin (num 16) (name O6) (type 3state))
(pin (num 17) (name D6) (type input))
(pin (num 18) (name D7) (type input))
(pin (num 19) (name O7) (type 3state))
(pin (num 20) (name VCC) (type power_in))))
(libpart (lib Connector_Generic) (part Conn_02x25_Counter_Clockwise)
(description "Generic connector, double row, 02x25, counter clockwise pin numbering scheme (similar to DIP packge numbering), script generated (kicad-library-utils/schlib/autogen/connector/)")
(docs ~)
(footprints
(fp Connector*:*_2x??_*))
(fields
(field (name Reference) J)
(field (name Value) Conn_02x25_Counter_Clockwise))
(pins
(pin (num 1) (name Pin_1) (type passive))
(pin (num 2) (name Pin_2) (type passive))
(pin (num 3) (name Pin_3) (type passive))
(pin (num 4) (name Pin_4) (type passive))
(pin (num 5) (name Pin_5) (type passive))
(pin (num 6) (name Pin_6) (type passive))
(pin (num 7) (name Pin_7) (type passive))
(pin (num 8) (name Pin_8) (type passive))
(pin (num 9) (name Pin_9) (type passive))
(pin (num 10) (name Pin_10) (type passive))
(pin (num 11) (name Pin_11) (type passive))
(pin (num 12) (name Pin_12) (type passive))
(pin (num 13) (name Pin_13) (type passive))
(pin (num 14) (name Pin_14) (type passive))
(pin (num 15) (name Pin_15) (type passive))
(pin (num 16) (name Pin_16) (type passive))
(pin (num 17) (name Pin_17) (type passive))
(pin (num 18) (name Pin_18) (type passive))
(pin (num 19) (name Pin_19) (type passive))
(pin (num 20) (name Pin_20) (type passive))
(pin (num 21) (name Pin_21) (type passive))
(pin (num 22) (name Pin_22) (type passive))
(pin (num 23) (name Pin_23) (type passive))
(pin (num 24) (name Pin_24) (type passive))
(pin (num 25) (name Pin_25) (type passive))
(pin (num 26) (name Pin_26) (type passive))
(pin (num 27) (name Pin_27) (type passive))
(pin (num 28) (name Pin_28) (type passive))
(pin (num 29) (name Pin_29) (type passive))
(pin (num 30) (name Pin_30) (type passive))
(pin (num 31) (name Pin_31) (type passive))
(pin (num 32) (name Pin_32) (type passive))
(pin (num 33) (name Pin_33) (type passive))
(pin (num 34) (name Pin_34) (type passive))
(pin (num 35) (name Pin_35) (type passive))
(pin (num 36) (name Pin_36) (type passive))
(pin (num 37) (name Pin_37) (type passive))
(pin (num 38) (name Pin_38) (type passive))
(pin (num 39) (name Pin_39) (type passive))
(pin (num 40) (name Pin_40) (type passive))
(pin (num 41) (name Pin_41) (type passive))
(pin (num 42) (name Pin_42) (type passive))
(pin (num 43) (name Pin_43) (type passive))
(pin (num 44) (name Pin_44) (type passive))
(pin (num 45) (name Pin_45) (type passive))
(pin (num 46) (name Pin_46) (type passive))
(pin (num 47) (name Pin_47) (type passive))
(pin (num 48) (name Pin_48) (type passive))
(pin (num 49) (name Pin_49) (type passive))
(pin (num 50) (name Pin_50) (type passive))))
(libpart (lib Device) (part C_Small)
(description "Unpolarized capacitor, small symbol")
(docs ~)
(footprints
(fp C_*))
(fields
(field (name Reference) C)
(field (name Value) C_Small))
(pins
(pin (num 1) (name ~) (type passive))
(pin (num 2) (name ~) (type passive))))
(libpart (lib Memory_EPROM) (part 27C080)
(description "OTP EPROM 8 MiBit (1 Mi x 8)")
(docs http://ww1.microchip.com/downloads/en/devicedoc/doc0360.pdf)
(footprints
(fp DIP*W15.24mm*)
(fp PLCC*))
(fields
(field (name Reference) U)
(field (name Value) 27C080))
(pins
(pin (num 1) (name A19) (type input))
(pin (num 2) (name A16) (type input))
(pin (num 3) (name A15) (type input))
(pin (num 4) (name A12) (type input))
(pin (num 5) (name A7) (type input))
(pin (num 6) (name A6) (type input))
(pin (num 7) (name A5) (type input))
(pin (num 8) (name A4) (type input))
(pin (num 9) (name A3) (type input))
(pin (num 10) (name A2) (type input))
(pin (num 11) (name A1) (type input))
(pin (num 12) (name A0) (type input))
(pin (num 13) (name D0) (type 3state))
(pin (num 14) (name D1) (type 3state))
(pin (num 15) (name D2) (type 3state))
(pin (num 16) (name GND) (type power_in))
(pin (num 17) (name D3) (type 3state))
(pin (num 18) (name D4) (type 3state))
(pin (num 19) (name D5) (type 3state))
(pin (num 20) (name D6) (type 3state))
(pin (num 21) (name D7) (type 3state))
(pin (num 22) (name ~CE) (type input))
(pin (num 23) (name A10) (type input))
(pin (num 24) (name ~OE) (type input))
(pin (num 25) (name A11) (type input))
(pin (num 26) (name A9) (type input))
(pin (num 27) (name A8) (type input))
(pin (num 28) (name A13) (type input))
(pin (num 29) (name A14) (type input))
(pin (num 30) (name A17) (type input))
(pin (num 31) (name A18) (type input))
(pin (num 32) (name VCC) (type power_in)))))
(libraries
(library (logical 74xx)
(uri "/Library/Application Support/kicad/library/74xx.lib"))
(library (logical Connector_Generic)
(uri "/Library/Application Support/kicad/library/Connector_Generic.lib"))
(library (logical Device)
(uri "/Library/Application Support/kicad/library/Device.lib"))
(library (logical Memory_EPROM)
(uri "/Library/Application Support/kicad/library/Memory_EPROM.lib")))
(nets
(net (code 1) (name "Net-(J1-Pad10)")
(node (ref J1) (pin 10))
(node (ref LowAddrBuffer1) (pin 6)))
(net (code 2) (name "Net-(J1-Pad11)")
(node (ref LowAddrBuffer1) (pin 7))
(node (ref J1) (pin 11)))
(net (code 3) (name "Net-(J1-Pad12)")
(node (ref J1) (pin 12))
(node (ref LowAddrBuffer1) (pin 8)))
(net (code 4) (name "Net-(J1-Pad13)")
(node (ref J1) (pin 13)))
(net (code 5) (name "Net-(J1-Pad14)")
(node (ref J1) (pin 14)))
(net (code 6) (name "Net-(J1-Pad15)")
(node (ref J1) (pin 15)))
(net (code 7) (name "Net-(J1-Pad16)")
(node (ref J1) (pin 16)))
(net (code 8) (name "Net-(J1-Pad17)")
(node (ref J1) (pin 17)))
(net (code 9) (name "Net-(J1-Pad18)")
(node (ref U1) (pin 9))
(node (ref U1) (pin 10))
(node (ref U2) (pin 4))
(node (ref J1) (pin 18)))
(net (code 10) (name "Net-(J1-Pad19)")
(node (ref J1) (pin 19)))
(net (code 11) (name "Net-(J1-Pad20)")
(node (ref J1) (pin 20)))
(net (code 12) (name "Net-(J1-Pad21)")
(node (ref J1) (pin 21)))
(net (code 13) (name "Net-(J1-Pad22)")
(node (ref J1) (pin 22)))
(net (code 14) (name "Net-(J1-Pad24)")
(node (ref J1) (pin 24))
(node (ref J1) (pin 27)))
(net (code 15) (name "Net-(J1-Pad23)")
(node (ref J1) (pin 23))
(node (ref J1) (pin 28)))
(net (code 16) (name "Net-(J1-Pad29)")
(node (ref J1) (pin 29)))
(net (code 17) (name "Net-(EPROM1-Pad11)")
(node (ref EPROM1) (pin 11))
(node (ref J1) (pin 3)))
(net (code 18) (name "Net-(J1-Pad30)")
(node (ref J1) (pin 30)))
(net (code 19) (name "Net-(J1-Pad31)")
(node (ref J1) (pin 31)))
(net (code 20) (name "Net-(J1-Pad32)")
(node (ref J1) (pin 32)))
(net (code 21) (name "Net-(J1-Pad33)")
(node (ref J1) (pin 33)))
(net (code 22) (name "Net-(J1-Pad34)")
(node (ref J1) (pin 34)))
(net (code 23) (name "Net-(J1-Pad35)")
(node (ref J1) (pin 35)))
(net (code 24) (name "Net-(J1-Pad36)")
(node (ref J1) (pin 36)))
(net (code 25) (name "Net-(J1-Pad37)")
(node (ref J1) (pin 37)))
(net (code 26) (name "Net-(J1-Pad38)")
(node (ref J1) (pin 38)))
(net (code 27) (name "Net-(J1-Pad39)")
(node (ref J1) (pin 39)))
(net (code 28) (name "Net-(EPROM1-Pad10)")
(node (ref EPROM1) (pin 10))
(node (ref J1) (pin 4)))
(net (code 29) (name "Net-(J1-Pad40)")
(node (ref J1) (pin 40)))
(net (code 30) (name "Net-(EPROM1-Pad9)")
(node (ref EPROM1) (pin 9))
(node (ref J1) (pin 5)))
(net (code 31) (name "Net-(J1-Pad50)")
(node (ref J1) (pin 50)))
(net (code 32) (name "Net-(J1-Pad6)")
(node (ref LowAddrBuffer1) (pin 2))
(node (ref J1) (pin 6)))
(net (code 33) (name "Net-(J1-Pad8)")
(node (ref LowAddrBuffer1) (pin 4))
(node (ref J1) (pin 8)))
(net (code 34) (name "Net-(J1-Pad9)")
(node (ref LowAddrBuffer1) (pin 5))
(node (ref J1) (pin 9)))
(net (code 35) (name "Net-(HiAddrBuffer1-Pad19)")
(node (ref LowAddrBuffer1) (pin 19))
(node (ref J1) (pin 1))
(node (ref U1) (pin 1))
(node (ref HiAddrBuffer1) (pin 19)))
(net (code 36) (name "Net-(U1-Pad3)")
(node (ref U1) (pin 5))
(node (ref U1) (pin 4))
(node (ref U1) (pin 3)))
(net (code 37) (name "Net-(DataBuffer1-Pad19)")
(node (ref DataBuffer1) (pin 19))
(node (ref U1) (pin 6))
(node (ref U2) (pin 1)))
(net (code 38) (name "Net-(DataBuffer1-Pad1)")
(node (ref U2) (pin 2))
(node (ref DataBuffer1) (pin 1))
(node (ref U1) (pin 8)))
(net (code 39) (name "Net-(U1-Pad11)")
(node (ref U2) (pin 13))
(node (ref U1) (pin 11)))
(net (code 40) (name "Net-(U2-Pad12)")
(node (ref U2) (pin 9))
(node (ref U2) (pin 12))
(node (ref U2) (pin 6)))
(net (code 41) (name "Net-(EPROM1-Pad12)")
(node (ref EPROM1) (pin 12))
(node (ref U1) (pin 13))
(node (ref J1) (pin 2))
(node (ref U2) (pin 10))
(node (ref U1) (pin 12)))
(net (code 42) (name "Net-(HiAddrLatch1-Pad11)")
(node (ref U2) (pin 11))
(node (ref HiAddrLatch1) (pin 11)))
(net (code 43) (name "Net-(DataBuffer1-Pad11)")
(node (ref DataBuffer1) (pin 11))
(node (ref EPROM1) (pin 21)))
(net (code 44) (name "Net-(DataBuffer1-Pad13)")
(node (ref DataBuffer1) (pin 13))
(node (ref EPROM1) (pin 19)))
(net (code 45) (name "Net-(DataBuffer1-Pad15)")
(node (ref EPROM1) (pin 17))
(node (ref DataBuffer1) (pin 15)))
(net (code 46) (name "Net-(EPROM1-Pad25)")
(node (ref EPROM1) (pin 25))
(node (ref LowAddrLatch1) (pin 19))
(node (ref LowAddrBuffer1) (pin 11)))
(net (code 47) (name "Net-(EPROM1-Pad23)")
(node (ref LowAddrBuffer1) (pin 12))
(node (ref EPROM1) (pin 23))
(node (ref LowAddrLatch1) (pin 16)))
(net (code 48) (name "Net-(EPROM1-Pad26)")
(node (ref EPROM1) (pin 26))
(node (ref LowAddrBuffer1) (pin 13))
(node (ref LowAddrLatch1) (pin 15)))
(net (code 49) (name "Net-(EPROM1-Pad27)")
(node (ref LowAddrBuffer1) (pin 14))
(node (ref LowAddrLatch1) (pin 12))
(node (ref EPROM1) (pin 27)))
(net (code 50) (name "Net-(EPROM1-Pad5)")
(node (ref EPROM1) (pin 5))
(node (ref LowAddrLatch1) (pin 9))
(node (ref LowAddrBuffer1) (pin 15)))
(net (code 51) (name "Net-(EPROM1-Pad6)")
(node (ref LowAddrBuffer1) (pin 16))
(node (ref LowAddrLatch1) (pin 6))
(node (ref EPROM1) (pin 6)))
(net (code 52) (name "Net-(EPROM1-Pad7)")
(node (ref LowAddrBuffer1) (pin 17))
(node (ref LowAddrLatch1) (pin 5))
(node (ref EPROM1) (pin 7)))
(net (code 53) (name "Net-(EPROM1-Pad8)")
(node (ref LowAddrBuffer1) (pin 18))
(node (ref LowAddrLatch1) (pin 2))
(node (ref EPROM1) (pin 8)))
(net (code 54) (name "Net-(EPROM1-Pad1)")
(node (ref HiAddrBuffer1) (pin 11))
(node (ref EPROM1) (pin 1))
(node (ref HiAddrLatch1) (pin 19)))
(net (code 55) (name "Net-(EPROM1-Pad31)")
(node (ref EPROM1) (pin 31))
(node (ref HiAddrLatch1) (pin 16))
(node (ref HiAddrBuffer1) (pin 12)))
(net (code 56) (name "Net-(EPROM1-Pad30)")
(node (ref HiAddrBuffer1) (pin 13))
(node (ref EPROM1) (pin 30))
(node (ref HiAddrLatch1) (pin 15)))
(net (code 57) (name "Net-(EPROM1-Pad2)")
(node (ref HiAddrLatch1) (pin 12))
(node (ref HiAddrBuffer1) (pin 14))
(node (ref EPROM1) (pin 2)))
(net (code 58) (name "Net-(EPROM1-Pad3)")
(node (ref HiAddrLatch1) (pin 9))
(node (ref EPROM1) (pin 3))
(node (ref HiAddrBuffer1) (pin 15)))
(net (code 59) (name "Net-(EPROM1-Pad29)")
(node (ref HiAddrLatch1) (pin 6))
(node (ref HiAddrBuffer1) (pin 16))
(node (ref EPROM1) (pin 29)))
(net (code 60) (name "Net-(EPROM1-Pad28)")
(node (ref HiAddrBuffer1) (pin 17))
(node (ref HiAddrLatch1) (pin 5))
(node (ref EPROM1) (pin 28)))
(net (code 61) (name "Net-(EPROM1-Pad4)")
(node (ref EPROM1) (pin 4))
(node (ref HiAddrLatch1) (pin 2))
(node (ref HiAddrBuffer1) (pin 18)))
(net (code 62) (name "Net-(LowAddrLatch1-Pad11)")
(node (ref U2) (pin 8))
(node (ref LowAddrLatch1) (pin 11)))
(net (code 63) (name "Net-(DataBuffer1-Pad6)")
(node (ref LowAddrLatch1) (pin 13))
(node (ref HiAddrLatch1) (pin 13))
(node (ref J1) (pin 45))
(node (ref DataBuffer1) (pin 6)))
(net (code 64) (name "Net-(DataBuffer1-Pad7)")
(node (ref DataBuffer1) (pin 7))
(node (ref HiAddrLatch1) (pin 14))
(node (ref J1) (pin 44))
(node (ref LowAddrLatch1) (pin 14)))
(net (code 65) (name "Net-(DataBuffer1-Pad8)")
(node (ref DataBuffer1) (pin 8))
(node (ref HiAddrLatch1) (pin 17))
(node (ref LowAddrLatch1) (pin 17))
(node (ref J1) (pin 43)))
(net (code 66) (name "Net-(DataBuffer1-Pad2)")
(node (ref DataBuffer1) (pin 2))
(node (ref HiAddrLatch1) (pin 3))
(node (ref LowAddrLatch1) (pin 3))
(node (ref J1) (pin 49)))
(net (code 67) (name "Net-(DataBuffer1-Pad3)")
(node (ref DataBuffer1) (pin 3))
(node (ref J1) (pin 48))
(node (ref LowAddrLatch1) (pin 4))
(node (ref HiAddrLatch1) (pin 4)))
(net (code 68) (name "Net-(DataBuffer1-Pad4)")
(node (ref LowAddrLatch1) (pin 7))
(node (ref DataBuffer1) (pin 4))
(node (ref J1) (pin 47))
(node (ref HiAddrLatch1) (pin 7)))
(net (code 69) (name "Net-(DataBuffer1-Pad5)")
(node (ref HiAddrLatch1) (pin 8))
(node (ref J1) (pin 46))
(node (ref DataBuffer1) (pin 5))
(node (ref LowAddrLatch1) (pin 8)))
(net (code 70) (name "Net-(DataBuffer1-Pad12)")
(node (ref EPROM1) (pin 20))
(node (ref DataBuffer1) (pin 12)))
(net (code 71) (name "Net-(EPROM1-Pad22)")
(node (ref EPROM1) (pin 24))
(node (ref EPROM1) (pin 22))
(node (ref U2) (pin 3)))
(net (code 72) (name "Net-(DataBuffer1-Pad18)")
(node (ref EPROM1) (pin 13))
(node (ref DataBuffer1) (pin 18)))
(net (code 73) (name "Net-(DataBuffer1-Pad17)")
(node (ref EPROM1) (pin 14))
(node (ref DataBuffer1) (pin 17)))
(net (code 74) (name "Net-(DataBuffer1-Pad16)")
(node (ref DataBuffer1) (pin 16))
(node (ref EPROM1) (pin 15)))
(net (code 75) (name "Net-(DataBuffer1-Pad14)")
(node (ref EPROM1) (pin 18))
(node (ref DataBuffer1) (pin 14)))
(net (code 76) (name "Net-(J1-Pad7)")
(node (ref J1) (pin 7))
(node (ref LowAddrBuffer1) (pin 3)))
(net (code 77) (name "Net-(HiAddrLatch1-Pad1)")
(node (ref U2) (pin 5))
(node (ref U1) (pin 2))
(node (ref J1) (pin 41))
(node (ref LowAddrLatch1) (pin 1))
(node (ref HiAddrLatch1) (pin 1)))
(net (code 78) (name "Net-(DataBuffer1-Pad9)")
(node (ref HiAddrLatch1) (pin 18))
(node (ref J1) (pin 42))
(node (ref DataBuffer1) (pin 9))
(node (ref LowAddrLatch1) (pin 18)))
(net (code 79) (name GND)
(node (ref C4) (pin 2))
(node (ref C3) (pin 2))
(node (ref C7) (pin 2))
(node (ref C6) (pin 2))
(node (ref C5) (pin 2))
(node (ref C1) (pin 2))
(node (ref C2) (pin 2))
(node (ref C8) (pin 2))
(node (ref J1) (pin 26))
(node (ref U1) (pin 7))
(node (ref LowAddrBuffer1) (pin 10))
(node (ref U2) (pin 7))
(node (ref HiAddrLatch1) (pin 10))
(node (ref EPROM1) (pin 16))
(node (ref LowAddrLatch1) (pin 10))
(node (ref HiAddrBuffer1) (pin 10))
(node (ref DataBuffer1) (pin 10)))
(net (code 80) (name +5V)
(node (ref DataBuffer1) (pin 20))
(node (ref HiAddrBuffer1) (pin 9))
(node (ref HiAddrBuffer1) (pin 8))
(node (ref HiAddrBuffer1) (pin 7))
(node (ref HiAddrBuffer1) (pin 6))
(node (ref HiAddrBuffer1) (pin 5))
(node (ref HiAddrBuffer1) (pin 4))
(node (ref LowAddrBuffer1) (pin 1))
(node (ref LowAddrBuffer1) (pin 20))
(node (ref LowAddrBuffer1) (pin 9))
(node (ref J1) (pin 25))
(node (ref HiAddrBuffer1) (pin 3))
(node (ref C8) (pin 1))
(node (ref C2) (pin 1))
(node (ref C1) (pin 1))
(node (ref C5) (pin 1))
(node (ref C6) (pin 1))
(node (ref C7) (pin 1))
(node (ref C3) (pin 1))
(node (ref C4) (pin 1))
(node (ref LowAddrLatch1) (pin 20))
(node (ref U1) (pin 14))
(node (ref U2) (pin 14))
(node (ref HiAddrLatch1) (pin 20))
(node (ref HiAddrBuffer1) (pin 20))
(node (ref HiAddrBuffer1) (pin 2))
(node (ref HiAddrBuffer1) (pin 1))
(node (ref EPROM1) (pin 32)))))

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G04 #@! TF.GenerationSoftware,KiCad,Pcbnew,(5.0.1-3-g963ef8bb5)*
G04 #@! TF.CreationDate,2019-04-25T11:14:13-04:00*
G04 #@! TF.ProjectId,ProDOS ROM-Drive 2.5,50726F444F5320524F4D2D4472697665,2.5*
G04 #@! TF.SameCoordinates,Original*
G04 #@! TF.FileFunction,Profile,NP*
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G04 Gerber Fmt 4.6, Leading zero omitted, Abs format (unit mm)*
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%MOMM*%
%LPD*%
G01*
G04 APERTURE LIST*
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M48
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M48
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update=22/05/2015 07:44:53
version=1
last_client=kicad
[general]
version=1
RootSch=
BoardNm=
[pcbnew]
version=1
LastNetListRead=
UseCmpFile=1
PadDrill=0.600000000000
PadDrillOvalY=0.600000000000
PadSizeH=1.500000000000
PadSizeV=1.500000000000
PcbTextSizeV=1.500000000000
PcbTextSizeH=1.500000000000
PcbTextThickness=0.300000000000
ModuleTextSizeV=1.000000000000
ModuleTextSizeH=1.000000000000
ModuleTextSizeThickness=0.150000000000
SolderMaskClearance=0.000000000000
SolderMaskMinWidth=0.000000000000
DrawSegmentWidth=0.200000000000
BoardOutlineThickness=0.100000000000
ModuleOutlineThickness=0.150000000000
[cvpcb]
version=1
NetIExt=net
[eeschema]
version=1
LibDir=
[eeschema/libraries]