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HARDWARE CIRCUIT SUPPORT:


CD64 MEMORY MAP :

N64 ADDRESS
CD64 MODE 0
( SYSTEM BOOT )
CD64 MODE 5
( PLAY DRAM )
CD64 MODE 7
(PLAY CARD )
$B7XXXXXX SROM.I/O & REG DRAM CARTRIDGE
$B6XXXXXX RESERVED DRAM CARTRIDGE
$B5XXXXXX DRAM DRAM CARTRIDGE
$B4XXXXXX DRAM DRAM CARTRIDGE
$B3XXXXXX CARTRIDGE DRAM CARTRIDGE
$B2XXXXXX CARTRIDGE DRAM CARTRIDGE
$B1XXXXXX RESERVED DRAM CARTRIDGE
$B0XXXXXX BIOS DRAM CARTRIDGE



CD64 I/O AND REGISTER

N64
ADDRESS
@ BYTE 0
D23-D24
BYTE 1
D23-D16
BYTE 2
D15-D8
BYTE 3
D7-D0
$B78XXX84 DATAWR
LCDOUT)
@ @ @ COMM DB7-DB0
$B78XXX80 DATARD (KEYRD ) @ @ @ COMM DB7-DB0
$B78XXX40 STATUS @ @ @ D7-CDIRQ,D6-PCX
$B78XXX20 CDIO & COMMIO @ @ @ D7-(=0), D6-KCDRS,D5-LCDE, D4-/CDS1,
D3-/CDS0, D2-CDA2,
D1-CDA1, D0-CDA0
$B78XXX18 CDDATA(32BIT) DD15-DD8(EVEN) DD7-DD0(EVEN) DD15-DD8(ODD) DD7-DD0 ( ODD)
$B78XXX10 CDDATA(16BIT) @ @ DD15-DD8 DD7-DD0
$B78XXX0C MODE REG1 @ @ @ $0A ( ENABLE)
$B78XXX00 MODE REG0 @ @ @ D2-D0 ( MODE)

CD64's COMM PORT I/O CIRCUIT 's DIAGRAM
Com_port1_small.jpg (2123 bytes)

PC's PRO-COMM LINK CARD CIRCUIT's DIAGRAM
Comlink2_small.jpg (2609 bytes)

PRO-COMM LINK CABLE 's CIRCUIT DIAGRAM
Link_cab_small.jpg (2639 bytes)

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