Difference between revisions of "A71-26"
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== Found on... == | == Found on... == | ||
*[[Bubble Bobble (prototype | *[[Bubble Bobble (prototype)]] | ||
*[[Scramble Formation]] | |||
== Notes == | |||
*The PAL is a match for [[A78-02]] | |||
== Equations == | |||
<pre> | |||
/* Dedicated input pins */ | |||
pin 1 = I0; | |||
pin 2 = I1; | |||
pin 3 = I2; | |||
pin 4 = I3; | |||
pin 5 = I4; | |||
pin 6 = I5; | |||
pin 7 = I6; | |||
pin 8 = I7; | |||
pin 9 = I8; /* Unused input */ | |||
pin 11 = I9; /* Unused input */ | |||
/* Dedicated output pins */ | |||
pin 12 = B0; | |||
pin 13 = B1; | |||
pin 14 = B2; | |||
pin 15 = B3; | |||
pin 16 = B4; | |||
pin 17 = B5; | |||
pin 18 = B6; | |||
pin 19 = B7; | |||
/* Output and output enable equations */ | |||
!B7 = !I0 & !I1 & I3 & !I4; | |||
!B6 = !I0 & I1 & I3 & !I4; | |||
!B5 = I0 & !I1 & I3 & !I4; | |||
!B4 = I0 & I1 & I3 & !I4; | |||
!B3 = I3 & I4 & !I5; | |||
!B2 = !I2 & I3 & I4 & I5 & !I6 & !I7 | |||
# !I2 & I3 & I4 & I5 & I6 & !I7 | |||
# !I2 & I3 & I4 & I5 & !I6 & I7; | |||
!B1 = !I2 & I3 & I4 & I5 & I6 & I7; | |||
!B0 = I3 & I4; | |||
</pre> | |||
[[Category:Taito PLD's]] | |||
Latest revision as of 20:22, 12 January 2023
Found on...[edit]
Notes[edit]
- The PAL is a match for A78-02
Equations[edit]
/* Dedicated input pins */ pin 1 = I0; pin 2 = I1; pin 3 = I2; pin 4 = I3; pin 5 = I4; pin 6 = I5; pin 7 = I6; pin 8 = I7; pin 9 = I8; /* Unused input */ pin 11 = I9; /* Unused input */ /* Dedicated output pins */ pin 12 = B0; pin 13 = B1; pin 14 = B2; pin 15 = B3; pin 16 = B4; pin 17 = B5; pin 18 = B6; pin 19 = B7; /* Output and output enable equations */ !B7 = !I0 & !I1 & I3 & !I4; !B6 = !I0 & I1 & I3 & !I4; !B5 = I0 & !I1 & I3 & !I4; !B4 = I0 & I1 & I3 & !I4; !B3 = I3 & I4 & !I5; !B2 = !I2 & I3 & I4 & I5 & !I6 & !I7 # !I2 & I3 & I4 & I5 & I6 & !I7 # !I2 & I3 & I4 & I5 & !I6 & I7; !B1 = !I2 & I3 & I4 & I5 & I6 & I7; !B0 = I3 & I4;
