Namcot 108 family pinout: Difference between revisions

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No behavioral differences are known between the five different part numbers; [http://bootgod.dyndns.org:7777/profile.php?id=3247 several] [http://bootgod.dyndns.org:7777/profile.php?id=3185 games] were released on the same board with identical code and different mapper ICs.
No behavioral differences are known between the five different part numbers; [http://bootgod.dyndns.org:7777/profile.php?id=3247 several] [http://bootgod.dyndns.org:7777/profile.php?id=3185 games] were released on the same board with identical code and different mapper ICs.


==Functional Variations==
Many boards (and thus iNES mappers) redefined parts of the pinout for various extensions, mostly to increase the amount of addressable CHR ROM.
Many boards (and thus iNES mappers) redefined parts of the pinout for various extensions, mostly to increase the amount of addressable CHR ROM.


[[INES Mapper 076|Mapper 76]]:
====3446====
[[INES Mapper 076|Mapper 76]]: Rewires CHR banking to be able to address more total CHR with coarser CHR banks.
  (fr) CPU D2 -> |09  20| -> CHR '''A14''' (r)
  (fr) CPU D2 -> |09  20| -> CHR '''A14''' (r)
  (f) /ROMSEL -> |10  19| -> CHR '''A12''' (r)
  (f) /ROMSEL -> |10  19| -> CHR '''A12''' (r)
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       '''(f) PPU A10 -> CHR A10 (r)'''
       '''(f) PPU A10 -> CHR A10 (r)'''


====3433, 3443, 3453====
Mappers [[INES Mapper 088|88]] and [[INES Mapper 154|154]] connect (f) PPU A12 -> CHR A16 (r), skipping the mapper IC altogether.
Mappers [[INES Mapper 088|88]] and [[INES Mapper 154|154]] connect (f) PPU A12 -> CHR A16 (r), skipping the mapper IC altogether.


[[INES Mapper 095|Mapper 95]]:
====3425====
[[INES Mapper 095|Mapper 95]]: Repurposes CHR A15 to control nametable banking
  '''(f) CIRAM A10''' <- |12  17| <- PPU A10 (f)
  '''(f) CIRAM A10''' <- |12  17| <- PPU A10 (f)
   (r) CHR A14 <- |13  16| <- PPU A11 (f)
   (r) CHR A14 <- |13  16| <- PPU A11 (f)
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                   `------'
                   `------'


<hr>
==Pirate clones==
Pirate clones of the Namco 108:
AX-24G or NTDEC8701: 28-pin 0.6" PDIP
AX-24G or NTDEC8701: 28-pin 0.6" PDIP


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           AX-24G or NTDEC8701                            KS 204
           AX-24G or NTDEC8701                            KS 204


'''Source''':
===Functional variations===
====KS7037====
[[NES 2.0 Mapper 307|Mapper 307]] (UNIF "KS7037"): repurpose CHR banking for nametable control. Moves second switchable bank.
 
              .--\/--.         
        M2 -> |01  28| -- +5V   
      R/W -> |02  27| <- RESET 
  CPU '''A13''' -> |03  26| <- CPU D3
  CPU '''A14''' -> |04  25| -> '''n/c'''
    CPU D1 -> |05  24| -> '''n/c'''
    CPU D0 -> |06  23| -> '''n/c'''
  /ROMSEL -> |07  22| -> '''n/c'''
    CPU D4 -> |08  21| -> '''n/c'''
    CPU A0 -> |09  20| -> '''CIRAM A10'''
  PRG A16* <- |10  19| <- CPU D5
  PRG A15 <- |11  18| <- '''+5V'''
  PRG A14 <- |12  17| <- PPU A11
  PRG A13 <- |13  16| <- PPU A10
      GND -- |14  15| <- CPU D2
              `------'         
              KS 204
 
External hardware further modifies the exact memory map.
 
====Sachen 3009====
Redundant variation of [[iNES Mapper 133|mapper 133]]: obfuscatory GNROM-style banking.
 
                .--\/--.               
        '''n/c''' <- |01  28| <- CPU A14 (f)
        '''n/c''' <- |02  27| <- CPU A13 (f)
        '''n/c''' <- |03  26| <- CPU A0 (fr)
        '''n/c''' <- |04  25| -- VCC       
  '''feedback#1''' <- |05  24| <- /ROMSEL (f)
(r) '''PRG A15''' <- |06  23| -> PRG /OE (r)
(r) CHR '''A14''' <- |07  22| <- M2 (f)     
(r) CHR '''A13''' <- |08  21| <- R/W (f)   
(fr) CPU '''D0''' -> |09  20| <- CPU '''D3''' (fr)
(fr) CPU '''D1''' -> |10  19| <- CPU '''D4''' (fr)
(fr) CPU '''D2''' -> |11  18| <- CPU '''D5''' (fr)
        Gnd -- |12  17| <- '''Vcc'''
  '''feedback#2''' <- |13  16| <- '''feedback#2'''
        '''n/c''' <- |14  15| <- '''feedback#1'''
                `------'               
                AX-24G
 
 
==Sources==
*AX-24G or NTDEC8701 [[https://forums.nesdev.org/viewtopic.php?p=210278#p210278 BBS]]
*AX-24G or NTDEC8701 [[https://forums.nesdev.org/viewtopic.php?p=210278#p210278 BBS]]
*KS 204 [[http://forums.nesdev.org/viewtopic.php?f=9&t=19251 BBS]]
*KS 204 [[http://forums.nesdev.org/viewtopic.php?f=9&t=19251 BBS]]


[[Category:Pinouts]]
[[Category:Pinouts]]

Revision as of 04:22, 19 September 2019

Namcot 108, 109, 118, 119: 28-pin shrink PDIP, also Tengen 337001 or MIMIC-1: 28-pin 0.6" PDIP (Canonically mapper 206).

               .--\/--.
(f) CPU A14 -> |01  28| -> PRG A15 (r)
(fr) CPU A0 -> |02  27| -> PRG A14 (r)
(fr) CPU D5 -> |03  26| <- M2 (f)      
(fr) CPU D0 -> |04  25| -> PRG A13 (r)
(fr) CPU D4 -> |05  24| <- CPU A13 (f)
(fr) CPU D1 -> |06  23| -> PRG A16 (r)
        Gnd -- |07  22| -> PRG /CE (r)
(fr) CPU D3 -> |08  21| -- +5V
(fr) CPU D2 -> |09  20| -> CHR A13 (r)
(f) /ROMSEL*-> |10  19| -> CHR A11 (r)
    (f) R/W -> |11  18| -> CHR A10 (r)
(r) CHR A15 <- |12  17| <- PPU A10 (f)
(r) CHR A14 <- |13  16| <- PPU A11 (f)
(r) CHR A12 <- |14  15| <- PPU A12 (f)
               `------'

10: on the Vs. System daughterboards, this is instead CPU /A15

No behavioral differences are known between the five different part numbers; several games were released on the same board with identical code and different mapper ICs.

Functional Variations

Many boards (and thus iNES mappers) redefined parts of the pinout for various extensions, mostly to increase the amount of addressable CHR ROM.

3446

Mapper 76: Rewires CHR banking to be able to address more total CHR with coarser CHR banks.

(fr) CPU D2 -> |09  20| -> CHR A14 (r)
(f) /ROMSEL -> |10  19| -> CHR A12 (r)
    (f) R/W -> |11  18| -> CHR A11 (r)
(r) CHR A16 <- |12  17| <- PPU A11 (f)
(r) CHR A15 <- |13  16| <- PPU A12 (f)
(r) CHR A13 <- |14  15| <- +5V
               `------'

      (f) PPU A10 -> CHR A10 (r)

3433, 3443, 3453

Mappers 88 and 154 connect (f) PPU A12 -> CHR A16 (r), skipping the mapper IC altogether.

3425

Mapper 95: Repurposes CHR A15 to control nametable banking

(f) CIRAM A10 <- |12  17| <- PPU A10 (f)
  (r) CHR A14 <- |13  16| <- PPU A11 (f)
  (r) CHR A12 <- |14  15| <- PPU A12 (f)
                 `------'

Pirate clones

AX-24G or NTDEC8701: 28-pin 0.6" PDIP

               .--\/--.                                 .--\/--.           
(r) PRG A13 <- |01  28| <- CPU A14 (f)            M2 -> |01  28| -- +5V    
(r) PRG A14 <- |02  27| <- CPU A13 (f)      CPU R/!W -> |02  27| <- RESET  
(r) PRG A16 <- |03  26| <- CPU A0 (fr)       CPU A14 -> |03  26| <- CPU D3
(r) PRG A15 <- |04  25| -- VCC               CPU A13 -> |04  25| -> CHR A15
(r) CHR A14 <- |05  24| <- /ROMSEL (f)        CPU D1 -> |05  24| -> CHR A14
(r) CHR A11 <- |06  23| -> PRG /OE (r)        CPU D0 -> |06  23| -> CHR A13
(r) CHR A13 <- |07  22| <- M2 (f)           CPU !RMS -> |07  22| -> CHR A12
(r) CHR A12 <- |08  21| <- R/W (f)            CPU D4 -> |08  21| -> CHR A11
(fr) CPU D2 -> |09  20| <- CPU-D0 (fr)        CPU A0 -> |09  20| -> CHR A10
(fr) CPU D3 -> |10  19| <- CPU-D5 (fr)       PRG A16 <- |10  19| <- CPU D5
(fr) CPU D1 -> |11  18| <- CPU-D4 (fr)       PRG A15 <- |11  18| <- PPU A12
        Gnd -- |12  17| <- PPU-A12 (f)       PRG A14 <- |12  17| <- PPU A11
(r) CHR A15 <- |13  16| <- PPU-A11 (f)       PRG A13 <- |13  16| <- PPU A10
(r) CHR A10 <- |14  15| <- PPU-A10 (f)           GND -- |14  15| <- CPU D2
               `------'                                 `------'           
          AX-24G or NTDEC8701                            KS 204		

Functional variations

KS7037

Mapper 307 (UNIF "KS7037"): repurpose CHR banking for nametable control. Moves second switchable bank.

             .--\/--.           
       M2 -> |01  28| -- +5V    
      R/W -> |02  27| <- RESET  
  CPU A13 -> |03  26| <- CPU D3
  CPU A14 -> |04  25| -> n/c
   CPU D1 -> |05  24| -> n/c
   CPU D0 -> |06  23| -> n/c
  /ROMSEL -> |07  22| -> n/c
   CPU D4 -> |08  21| -> n/c
   CPU A0 -> |09  20| -> CIRAM A10
 PRG A16* <- |10  19| <- CPU D5
  PRG A15 <- |11  18| <- +5V
  PRG A14 <- |12  17| <- PPU A11
  PRG A13 <- |13  16| <- PPU A10
      GND -- |14  15| <- CPU D2
             `------'           
              KS 204

External hardware further modifies the exact memory map.

Sachen 3009

Redundant variation of mapper 133: obfuscatory GNROM-style banking.

               .--\/--.                
        n/c <- |01  28| <- CPU A14 (f) 
        n/c <- |02  27| <- CPU A13 (f) 
        n/c <- |03  26| <- CPU A0 (fr) 
        n/c <- |04  25| -- VCC         
 feedback#1 <- |05  24| <- /ROMSEL (f) 
(r) PRG A15 <- |06  23| -> PRG /OE (r) 
(r) CHR A14 <- |07  22| <- M2 (f)      
(r) CHR A13 <- |08  21| <- R/W (f)     
(fr) CPU D0 -> |09  20| <- CPU D3 (fr) 
(fr) CPU D1 -> |10  19| <- CPU D4 (fr) 
(fr) CPU D2 -> |11  18| <- CPU D5 (fr) 
        Gnd -- |12  17| <- Vcc
 feedback#2 <- |13  16| <- feedback#2
        n/c <- |14  15| <- feedback#1
               `------'                
                AX-24G


Sources

  • AX-24G or NTDEC8701 [BBS]
  • KS 204 [BBS]