2
romContent
Width
7
EEPROM
AddrBits
15
isProgramMemory
true
Label
MEM_ROM
Bits
16
Data
4014,2e00,6028,8000,8000,8000,8000,8000,8000,8000,8000,8000,8000,8000,8000,8000,001c,001a,001a,001a,8000,e000,e001,e002,e800,f800,4855,f000,31c0,1fc8,31c8,1fc8,4016,2000,2000,4215,2240,3040,1fc9,23c0,1fc9,21c0,e000,4017,2000,4200,3008,601a,0001,0017,0019,0041,001a,4014,2000,4204,0008,2000,4233,2240,0008,31c0,1fc8,4014,2000,4203,0008,1fc9,23c0,1e00,2000,31c8,1fc8,5000,1fd8,4431,2480,2480,31d0,1fc8,4014,2000,4200,0008,1fc9,23c0,3008,4432,2480,2480,31d0,1fc8,4014,2000,4201,0008,1fc9,23c0,3008,4014,2000,4200,0008,2000,4230,2240,3008,4400,31d0,1fc8,4014,2000,4202,0008,1fc9,23c0,3008,4dff,4214,2240,4402,0250,2240,4434,2480,0251,8004,4200,31c8,1fc8,6003,4201,31c8,1fc8,1fc9,21c0,1000,8436,4014,2000,4201,0008,2000,31c0,1fc8,4014,2000,4202,0008,2200,1fc9,21c0,0008,31c0,1fc8,4000,31c0,1fc8,4014,2000,4202,0008,2000,31c0,1fc8,11d1,9200,1258,3008,618b,1fc9,23c0,1fc9,21c0,3008,4414,2480,4602,0498,2480,4601,0498,31d0,1fc8,4014,2000,4202,0008,1fc9,23c0,3008,61b6,4001,1000,8401,61fc,1fd9
Ground
rotation
VDD
rotation
VDD
rotation
In
Description
Address
Label
ADDR
Bits
16
Splitter
Input Splitting
16
Output Splitting
13,1,1,1
atk16_mem_mux.dig
Splitter
Input Splitting
13,1,1
Output Splitting
15
Splitter
Input Splitting
1,1
Output Splitting
2
Demultiplexer
Selector Bits
2
Bits
15
Probe
Label
ROM_OUT
Driver
Bits
16
flipSelPos
true
Demultiplexer
Selector Bits
2
flipSelPos
true
Tunnel
NetName
RAM_IE
In
Description
Data bus
Label
DBUS
Bits
16
isHighZ
true
Tunnel
NetName
CLK
RAMDualPort
AddrBits
15
Label
MEM_RAM
Bits
16
VDD
rotation
Tunnel
rotation
NetName
CLK
Tunnel
rotation
NetName
RAM_IE
Tunnel
rotation
NetName
DBUS
Probe
Label
RAM_OUT
Driver
Bits
16
In
Description
Clock
Label
CLK
Out
Description
Memory-mapped I/O word input enable
Label
MMIO_IE
Out
Description
Memory-mapped I/O word output enable
Label
MMIO_OE
Tunnel
NetName
MMIO_S
Testcase
Testdata
CLK ADDR MEM_IE MEM_OE DBUS DBUS_out
# read ROM
program(0xFF)
C 0x0 0 1 Z 0xFF
# read RAM
memory MEM_RAM(0x0)=0x55;
C 0 0 0 Z X
C 0x8000 0 1 Z 0x55
# write to RAM
C 0x8000 1 0 0xAA 0xAA
C 0x8000 0 1 Z 0xAA
In
Description
Memory input enable
Label
MEM_IE
In
Description
Memory output enable
Label
MEM_OE
And
rotation
Tunnel
NetName
RAM_OE
Tunnel
NetName
MEM_OE
Tunnel
NetName
MEM_OE
Tunnel
NetName
DBUS
And
rotation
Tunnel
NetName
ROM_OE
Tunnel
NetName
MEM_OE
Tunnel
NetName
DBUS
Tunnel
NetName
DBUS
Decoder
Selector Bits
2
flipSelPos
true
Tunnel
NetName
ROM_OE
Tunnel
NetName
RAM_OE
Tunnel
NetName
MMIO_OE
Tunnel
NetName
MMIO_IE
And
Tunnel
rotation
NetName
MEM_OE
Tunnel
rotation
NetName
MMIO_OE
And
Tunnel
rotation
NetName
MEM_IE
Tunnel
rotation
NetName
MMIO_IE
Out
Description
Memory-mapped I/O word selector
Label
MMIO_S
Bits
13
Tunnel
rotation
NetName
MMIO_S
Tunnel
NetName
MEM_IE