diff options
Diffstat (limited to 'src/mess/drivers/cat.c')
| -rw-r--r-- | src/mess/drivers/cat.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/src/mess/drivers/cat.c b/src/mess/drivers/cat.c index d5e51e66185..27543b3f780 100644 --- a/src/mess/drivers/cat.c +++ b/src/mess/drivers/cat.c @@ -223,7 +223,7 @@ J4: 18-pin sip header for keyboard ribbon cable; bottom edge of board is pin 1 Pins: 1: GND through 220k resistor r78 2: ? phone hook related? anode of diode d7; one of the pins of relay k2; topmost (boardwise) pin of transistor Q10 - 3: 74HCT34 pin + 3: 74HCT34 pin J5: locking-tab-type "CONN HEADER VERT 4POS .100 TIN" connector for supplying power through a small cable with a berg connector at the other end, to the floppy drive @@ -240,7 +240,7 @@ J9: unpopulated DIL 40-pin straight connector for a ROM debug/expansion/RAM-shad /HICE is !a15 /ROM_OE comes from pin 14 of DECODE_E pal, and is shorted to /ROM_OE' by the cuttable jumper B1 which is not cut /ROM_OE' goes to the two EPROMS - DECODE_18 is DECODE_E pal pin 18 + DECODE_18 is DECODE_E pal pin 18 pin 1 (GND) is in the lower left and the pins count low-high then to the right (gnd N/C E_CLK R/W /ROM_OE a17 vcc a14 a13 a8 a9 a11 /ROM_OE' a10 a15 d7 d6 d5 d4 d3 ) (GND /IPL1 DECODE_18 /RESET gnd a16 vcc a12 a7 a6 a5 a4 a3 a2 a1 a0 d0 d1 d2 gnd) @@ -369,10 +369,10 @@ ToDo: // pin 13 (PB3) : // pin 14 (PB4) : // pin 15 (PB5) : -// pin 16 (PB6) : +// pin 16 (PB6) : // pin 17 (PB7) : -// pin 18 (CB1) : ?from/to? Floppy connector j3 pin 8 -// pin 19 (CB2) : ?from/to? 6522 @ u35 pin 16 (PB6) +// pin 18 (CB1) : ?from/to? Floppy connector j3 pin 8 +// pin 19 (CB2) : ?from/to? 6522 @ u35 pin 16 (PB6) // pin 21 (/IRQ) : out to 68008 /IPL1 pin 41 // pin 22 (R/W) : in from 68008 R/W pin 30 // pin 23 (/CS2) : in from DECODE E pin 18 @@ -384,7 +384,7 @@ ToDo: // pin 39 (CA2) is through inductor L11 and resistor r128 to peripheral connector pin 35 <end minus 26> // pin 40 (CA1) is through inductor L30 and resistor r138 to peripheral connector pin 53 <end minus 8> -// 6522 @ u35 +// 6522 @ u35 // pin 2 (PA0) : // pin 3 (PA1) : // pin 4 (PA2) : @@ -421,9 +421,9 @@ ToDo: // pin 4 (Y2) : out to 6522 @u35 pin 11 // pin 5 (A2) : in from 4N37 @ u48 pin 5 (output side emitter pin) (tied via R189 to gnd) <ring indicator?> // pin 6 (B2) : in from 4N37 @ u48 pin 5 (output side emitter pin) (tied via R189 to gnd) <ring indicator?> -// pin 8 (B3) : -// pin 9 (A3) : -// pin 10 (Y3) : +// pin 8 (B3) : +// pin 9 (A3) : +// pin 10 (Y3) : // pin 11 (B4) : in from 68008 A15 // pin 12 (A4) : in from 68008 A15 // pin 13 (Y4) : out to EPROM @ U31 /CE @@ -1743,7 +1743,7 @@ ROM_START( swyft ) * ||||\-------------Q? ? * |||\--------------Q? ? * ||\---------------Q> output to decode pal pin 2 - * |\----------------->? output? to ram multiplexer 'A' pins + * |\----------------->? output? to ram multiplexer 'A' pins * \------------------< ? */ ROM_LOAD( "timing_b.ampal16r4a.u9.jed", 0x0000, 0xb08, CRC(643e6e83) SHA1(7db167883f9d6cf385ce496d08976dc16fc3e2c3)) |
