GoldenAxeBootleg IC83: Difference between revisions
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Created page with "== Found on == *Golden Axe (bootleg) #2 == Notes == #The device is unlocked but does not work properly in a GAL device, as reported by Caius. Might be a timing issues == Equations == <pre> →* Inputs *: Pin 1 = i1; Pin 2 = i2; Pin 3 = i3; Pin 4 = i4; Pin 5 = i5; Pin 6 = i6; Pin 7 = i7; Pin 8 = i8; Pin 9 = i9; Pin 11 = i11; →* Outputs *: Pin 12 = o12; →*(Combinatorial, No output feedback, Active high) *: Pin 13 = o13; /**(Combinatorial, Output feedback output,..." |
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Revision as of 09:53, 25 August 2025
Found on
Notes
- The device is unlocked but does not work properly in a GAL device, as reported by Caius. Might be a timing issues
Equations
/** Inputs **/
Pin 1 = i1;
Pin 2 = i2;
Pin 3 = i3;
Pin 4 = i4;
Pin 5 = i5;
Pin 6 = i6;
Pin 7 = i7;
Pin 8 = i8;
Pin 9 = i9;
Pin 11 = i11;
/** Outputs **/
Pin 12 = o12; /**(Combinatorial, No output feedback, Active high) **/
Pin 13 = o13; /**(Combinatorial, Output feedback output, Active high) **/
Pin 14 = o14; /**(Combinatorial, Output feedback output, Active high) **/
Pin 15 = o15; /**(Combinatorial, Output feedback output, Active high) **/
Pin 16 = o16; /**(Combinatorial, Output feedback output, Active high) **/
Pin 17 = o17; /**(Combinatorial, Output feedback output, Active high) **/
Pin 18 = o18; /**(Combinatorial, Output feedback output, Active high) **/
/** Equations **/
o12 = i7
# !i2 & i3 & i6 & !o13 & !o14 & !o15 & o16
# !i6 & !o13 & !o14 & !o15 & o16
# !o13 & o14 & o15
# o14 & !o15 & o16
# !o14 & o15 & o16
# o13 & o14 & o15;
o13 = !i3 & i6 & !o13 & !o14 & !o15 & o16
# !i2 & i3 & i6 & !o13 & !o14 & !o15 & o16
# !o13 & o14 & o15
# o13 & !o14 & o16
# !i6 & !o13 & !o14 & !o15 & o16
# !i8;
o13.oe = i2 & i6 & !o13 & !o14 & !o15 & o16
o14 = i2 & i6 & !o13 & !o14 & !o15 & o16
# !i3 & i6 & !o13 & !o14 & !o15 & o16
# o13 & o14 & o15 & !o16
# o13 & !o14 & o16
# !o13 & o14 & !o15 & o16
# !i1 & i6 & !o13 & !o14 & !o15 & o16
# !i8;
o14.oe = !o13 & o14 & o15
o15 = i2 & i6 & !o13 & !o14 & !o15 & o16
# !i3 & i6 & !o13 & !o14 & !o15 & o16
# o13 & !o14 & !o15 & o16
# !i2 & i3 & i6 & !o13 & !o14 & !o15 & o16
# !i4 & !o13 & !o14 & o15 & o16
# o13 & o14 & o15 & !o16
# !i8;
o15.oe = !o13 & o14 & o15
o16 = i8 & o13 & o14 & o16;
o16.oe = !i6 & i8 & !i9 & !o13 & !o14 & !o15 & o16
o17 = ;
o17.oe = !i6 & !o13 & !o14 & !o15 & o16
o18 = o14 & o18
# !o15 & o18
# !o16 & o18
# !i1 & o18;
o18.oe = o13 & o18