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Diffstat (limited to 'Master/texmf-dist/doc/latex/circuit-macros/examples/ex08.m4')
-rw-r--r-- | Master/texmf-dist/doc/latex/circuit-macros/examples/ex08.m4 | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/Master/texmf-dist/doc/latex/circuit-macros/examples/ex08.m4 b/Master/texmf-dist/doc/latex/circuit-macros/examples/ex08.m4 new file mode 100644 index 00000000000..379ba0cadd5 --- /dev/null +++ b/Master/texmf-dist/doc/latex/circuit-macros/examples/ex08.m4 @@ -0,0 +1,81 @@ +.PS +# ex08.m4 +log_init + +define(`del',`L_unit*5/2') + +# Input labels +C: grid_(0,0); "\sf C sp_" rjust at C +DE: C+grid_(0,AND_ht*7/4) +A0: DE+grid_(0,BUF_ht*3/2); "\sf A0 sp_" rjust at A0 +A1: A0+grid_(0,BUF_ht*3/2); "\sf A1 sp_" rjust at A1 +A2: A1+grid_(0,BUF_ht*3/2); "\sf A2 sp_" rjust at A2 + move to (-0.2,0) # Lettering within the global object + +# Buffer strings +for_(1,3,1, + `line right 3*del from A`'eval(3-m4x) + B`'eval(2*m4x-1): NOT_gate; line right 2*del + T`'m4x: last line.c + B`'eval(2*m4x): BUFFER_gate(,N) ') + +B7: BUFFER_gate at (B1,C) + +G1: NOR_gate with .Out at (B1.Out,DE) +G2: NOR_gate at (B2+grid_(N_rad,0),G1-grid_(0,AND_ht)) +G3: AND_gate(4) with .In1 at (G2.Out+(9*del,0),A2) +G5: AND_gate(4) with .In4 at (G3.In1,G2.Out) +G6: AND_gate at G5+grid_(AND_wd,AND_ht*3/4)+(del*2,0) +G4: NOR_gate with .In1 at (G6.Out,G3)+(2*del,0) +G7: NOR_gate with .In2 at (G4.In2,G5.Out) + +# Output to other latches +TOL: (G2.Out,C)+(4*del,-4*L_unit) + move to TOL+(3*del,-del/3) ; {move down 0.15} + "\sf {\sl To other latches}" below + +# Remaining input lines + line from G1.In1 to (DE,G1.In1); "\sf D sp_" rjust + line from G1.In2 to (DE,G1.In2); "\sf E sp_" rjust + dot(at G1.In2-(del,0)); line to (Here,G2.In2) then to G2.In2 + line from C to B7.In1 + +# Connect Bi, and connect to output bus +for_(1,3,1, + `dot(at T`'m4x.c) ; line down (A2.y-A1.y)/2 + line to (TOL-(m4x*del,0),Here) ; arrow to (Here,TOL) ') + +# G1 to G2 + dot(at (T1.c,G1)); line to (Here,G2.In1) then to G2.In1 + +# Upper And inputs to output bus +for_(1,4,1, + `line left eval(5-m4x)*del from G3.In`'m4x + arrow to (Here,TOL) ') + + line from B2.Out to (G3.In1,B2)-(4*del,0) ; dot + line from B4.Out to (G3.In2,B4)-(3*del,0) ; dot + line from B6.Out to (G3.In3,B6)-(2*del,0) ; dot + line from G1.Out to (G3.In4,G1)-(del,0) ; dot + +# Lower And inputs + line left 4*del from G5.In1 ; dot + line left 3*del from G5.In2 ; dot + line left 2*del from G5.In3 ; dot + line from G2.Out to G5.In4 ; dot(at (TOL,Here)) ; arrow to (Here,TOL) + +# Fix up G4, G6, G7 + line from G3.Out to G4.In1 + line right del from G4.Out + {dot; line right del ; "\sf sp_ Q7" ljust; move right 0.2 } # letters in object + line down 2*del then to G6.In1+(-del,del) + line to (Here,G6.In1) then to G6.In1 + line from G4.In2 to (G6.In1+(-del,0),G4.In2) + line down del then to G7.Out+(del,2*del) + line to (Here,G7) then to G7.Out + line from G6.Out right del ; line to (Here,G7.In1) then to G7.In1 + line from G5.Out to G7.In2 + line left del from G6.In2 ; arrow to (Here,TOL) + dot(at (Here,C)) ; line to B7.Out + +.PE |