diff options
Diffstat (limited to 'src/emu/machine/pla.h')
-rw-r--r-- | src/emu/machine/pla.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/src/emu/machine/pla.h b/src/emu/machine/pla.h index 970c2f97ddc..d68306e2b53 100644 --- a/src/emu/machine/pla.h +++ b/src/emu/machine/pla.h @@ -54,7 +54,23 @@ enum // macros for known (and used) devices // 82S100, 82S101, PLS100, PLS101 -// 16x48x8 PLA, 28-pin +// 16x48x8 PLA, 28-pin: +/* _____ _____ + FE 1 |* \_/ | 28 Vcc + I7 2 | | 27 I8 + I6 3 | | 26 I9 + I5 4 | | 25 I10 + I4 5 | | 24 I11 + I3 6 | 82S100 | 23 I12 + I2 7 | 82S101 | 22 I13 + I1 8 | PLS100 | 21 I14 + I0 9 | PLS101 | 20 I15 + F7 10 | | 19 _CE + F6 11 | | 18 F0 + F5 12 | | 17 F1 + F4 13 | | 16 F2 + GND 14 |_____________| 15 F3 +*/ #define MCFG_PLS100_ADD(_tag) \ MCFG_PLA_ADD(_tag, 16, 8, 48) |