diff options
author | Nao Pross <naopross@thearcway.org> | 2017-04-13 16:03:11 +0200 |
---|---|---|
committer | Nao Pross <naopross@thearcway.org> | 2017-04-13 16:03:11 +0200 |
commit | 985e16b181fd55e28538f2d4524550bd425b86e9 (patch) | |
tree | 3d444d9e6a651a4345069c8fc96a60a811a57ac8 /sw/pld/ADDRESS_DECODER.sim | |
parent | Merge branch 'master' into naopross (diff) | |
download | z80uPC-985e16b181fd55e28538f2d4524550bd425b86e9.tar.gz z80uPC-985e16b181fd55e28538f2d4524550bd425b86e9.zip |
switch from GAL (pld) to M4 32/32 CPLD
add M4 32/32 CPLD datasheet
new VHDL code with better control over the address space thanks to the
M4 which has a 16 bit input port
Diffstat (limited to 'sw/pld/ADDRESS_DECODER.sim')
-rw-r--r-- | sw/pld/ADDRESS_DECODER.sim | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/sw/pld/ADDRESS_DECODER.sim b/sw/pld/ADDRESS_DECODER.sim deleted file mode 100644 index 05661c0..0000000 --- a/sw/pld/ADDRESS_DECODER.sim +++ /dev/null @@ -1,50 +0,0 @@ -%SIGNAL -PIN 2 = A8 -PIN 3 = A9 -PIN 4 = A10 -PIN 5 = A11 -PIN 6 = A12 -PIN 7 = A13 -PIN 8 = A14 -PIN 9 = A15 -PIN 16 = CSCTC -PIN 17 = CSPIO -PIN 14 = CSRAM -PIN 13 = CSROMH -PIN 12 = CSROML -PIN 15 = CSUART -%END - -%FIELD -%END - -%EQUATION -CSCTC => - !A8 & A9 & !A10 & !A11 & !A12 & A13 & !A14 & !A15 - -CSPIO => - A8 & A9 & !A10 & !A11 & !A12 & A13 & !A14 & !A15 - -CSRAM => - !A15 - -CSROMH => - A13 & !A14 & !A15 - -CSROML => - !A13 & !A14 & !A15 - -CSTIMER => - A15 - # A14 - # !A13 - # A12 - # A11 - # A10 - # A9 - # !A8 - -CSUART => - !A8 & !A9 & !A10 & !A11 & !A12 & A13 & !A14 & !A15 - -%END |