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Automation
(Last updated: Sunday, December 08,2019)
Automation
(Last updated: Sunday, December 08,2019)
EXORbus
This table contains the information on the Motorola EXORbus used by the EXORset and EXORciser development systems. It doesn't cover the Motorola bus for the 68K processor (or VME).
Please note: This still needs a final checked just to be safe. (2019-12-09).
DAT
I think UniFlex can support up to 256 processes. I think OS9 can support up to 128 processes.
Addr
Lines
12 2^12 = 4K (2 ^ (12 + 8) = 1M) 64K/process = 16 (SWTPC)
13 2^13 = 8K (2 ^ (13 + 8) = 2M) 64K/process = 32 (CoCo)
14 2^14 = 16K (2 ^ (14 + 8) = 4M) 64K/process = 64
15 2^15 = 32K (2 ^ (15 + 8) = 8M) 64K/process = 128 (CMS?)
16 2^16 = 64K (2 ^ (16 + 8) = 16M) 64K/process = 256 (CMS?)
Somehow ROM & I/O need to be found in the above ranges. Not sure how to decode in the DAT.
This really needs to be put into a nice table format: (like the one above ;-) ).
component side
6800b Evaluation Module II
VVV
6809 EXORbus description (differences only)
VVV
43 A +5v
42 B +5v
41 C +5v
40 D /IRQ
39 E /NMI
38 F /VMA
37 H GND unused
36 J PHI2 E
35 K GND
34 L MEMCLK
33 M -12v
32 N TSC unused
31 P BA
30 R MEMRDY
29 S unused LIC
28 T +12v
27 U STANDBY
26 V PWRFAIL
25 W PARITY
24 X GND
23 Y GND
22 Z GND
21 /A /FIRQ
20 /B GND
19 /C /RAS
18 /D /CAS
17 /E EAHL
16 /F user def
15 /H /D3
14 /J /D7
13 /K /D2
13 /L /D6
11 /M A14
10 /N A13
09 /P A10
08 /R A9
07 /S A6
06 /T A5
05 /U A2
04 /V A1
03 /W GND
02 /X GND
01 /Y GND
solder side
6800b Evaluation Module II
VVV
6809 EXORbus description (differences only)
VVV
A 43 GND
B 42 GND
C 41 GND
D 40 A0
E 39 A3
F 38 A4
H 37 A7
J 36 A8
K 35 A11
L 34 A12
M 33 A15
N 32 /D4
P 31 /D0
R 30 /D5
S 29 /D1
T 28 user def
U 27 user def
V 26 user def
W 25 user def
X 24 GND
Y 23 BS
Z 22 GND
/A 21 GND
/B 20 GND
/C 19 VXA
/D 18 CLOCK
/E 17 STANDBY
/F 16 +12V
/H 15 unused TSG
/J 14 unused DEBUG
/K 13 REFGNT
/L 12 /REFREQ
/M 11 -12v
/N 10 VUA
/P 09 GND
/R 08 GND
/S 07 unused Q
/T 06 R/W
/U 05 /RESET
/W 04 /HALT GO/HALT
/X 03 +5V
/Y 02 +5V
/Z 01 +5V