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+divert(-1)
+
+ Macros defining some integrated circuits
+
+define(`lg_pinsep',3*L_unit) logic pin separation in logic units
+define(`lg_chipwd',18*L_unit) default chip width
+
+ `A sequence of pins along the east or west side of a chip:
+ lg_pinseq(initial pin no,final pin no,
+ e|w,initial offset,pinnum_root,Labelroot,[not])'
+define(`lg_pinseq',`for_($1,$2,1,
+ `lg_pin( Chip.s`$3'+(0,eval($4+m4x)*lg_pinsep),
+ $6`'m4x,Pin`'eval($5`'m4x),`$3'`$7',eval($5`'m4x))') ')
+
+define(`ic6116',`[ Chip: box wid_ lg_chipwd ht_ 15*lg_pinsep
+ "6116" at Chip.sw below ljust
+ lg_pin(Chip.sw_+(0,lg_pinsep),GND,Pin12,w,12)
+ lg_pin(Chip.sw_+(0,2*lg_pinsep),lg_bartxt(CS),Pin18,wN,18)
+ lg_pinseq(0,2,w,4,9+,D)
+ lg_pinseq(3,7,w,4,10+,D)
+ lg_pin(Chip.sw_+(0,13*lg_pinsep),R/lg_bartxt(W),Pin21,w,21)
+ lg_pin(Chip.sw_+(0,14*lg_pinsep),V\hbox{\tiny CC},Pin24,w,24)
+ lg_pin(Chip.se_+(0,lg_pinsep),lg_bartxt(OE),Pin20,eN,20)
+ lg_pinseq(0,7,e,3,8-,A)
+ lg_pinseq(8,9,e,3,31-,A)
+ lg_pin(Chip.se_+(0,13*lg_pinsep),A10,Pin19,e,19)
+ ]')
+
+define(`ic6502',`[ Chip: box wid_ lg_chipwd ht_ 24*lg_pinsep
+ "6502" at Chip.sw_ below_ ljust_
+ lg_pin(Chip.sw_+(0,lg_pinsep),V\hbox{\tiny SS},Pin21,w,21)
+ lg_pin(Chip.sw_+(0,2*lg_pinsep),V\hbox{\tiny SS},Pin1,w,1)
+ lg_pin(Chip.sw_+(0,4*lg_pinsep),R/lg_bartxt(W),Pin34,w,34)
+ lg_pinseq(0,7,w,6,33-,D)
+ lg_pin(Chip.sw_+(0,15*lg_pinsep),lg_bartxt(RESET),Pin40,wN,40)
+ lg_pin(Chip.sw_+(0,17*lg_pinsep),SYNC,Pin7,w,7)
+ lg_pin(Chip.sw_+(0,19*lg_pinsep),lg_bartxt(NMI),Pin6,wN,6)
+ lg_pin(Chip.sw_+(0,21*lg_pinsep),RDY,Pin2,w,2)
+ lg_pin(Chip.sw_+(0,22*lg_pinsep),SO,Pin38,w,38)
+ lg_pin(Chip.sw_+(0,23*lg_pinsep),V\hbox{\tiny CC},Pin8,w,8)
+ lg_pin(Chip.se_+(0,lg_pinsep),{\large$\phi$}\hbox{\tiny 1}(in),Pin39,e,39)
+ lg_pin(Chip.se_+(0,4*lg_pinsep),
+ {\large$\phi$}\hbox{\tiny 2}(out),Pin37,e,37)
+ lg_pinseq(0,11,e,6,9+,A)
+ lg_pinseq(12,15,e,6,10+,A)
+ lg_pin(Chip.se+(0,23*lg_pinsep),lg_bartxt(IRQ),Pin4,eN,4)
+ ]')
+
+define(`ic6522',`[ Chip: box wid_ lg_chipwd ht_ 24*lg_pinsep
+ "6522" at Chip.sw below ljust
+ lg_pin(Chip.sw_+(0,lg_pinsep),V\hbox{\tiny SS},Pin1,w,1)
+ lg_pin(Chip.sw_+(0,3*lg_pinsep),CS1,Pin24,w,24)
+ lg_pin(Chip.sw_+(0,4*lg_pinsep),{\large$\phi$},Pin25,w,25)
+ lg_pin(Chip.sw_+(0,5*lg_pinsep),lg_bartxt(CS2),Pin23,wN,23)
+ lg_pin(Chip.sw_+(0,7*lg_pinsep),RS0(A0),Pin38,w,38)
+ lg_pin(Chip.sw_+(0,8*lg_pinsep),RS1(A1),Pin37,w,37)
+ lg_pin(Chip.sw_+(0,9*lg_pinsep),RS2(A2),Pin36,w,36)
+ lg_pin(Chip.sw_+(0,10*lg_pinsep),RS3(A3),Pin35,w,35)
+ lg_pinseq(0,7,w,12,33-,D)
+ lg_pin(Chip.sw_+(0,21*lg_pinsep),R/lg_bartxt(W),Pin22,w,22)
+ lg_pin(Chip.sw_+(0,22*lg_pinsep),lg_bartxt(IRQ),Pin21,wN,21)
+ lg_pin(Chip.sw_+(0,23*lg_pinsep),V\hbox{\tiny CC},Pin20,w,20)
+ lg_pinseq(0,7,e,1,10+,PB)
+ lg_pinseq(1,2,e,8,17+,CB)
+ lg_pinseq(0,7,e,12,2+,PA)
+ lg_pinseq(1,2,e,19,41-,CA)
+ lg_pin(Chip.se_+(0,23*lg_pinsep),lg_bartxt(RESET),Pin34,eN,34)
+ ]')
+
+define(`ic74LS138',`[ Chip: box wid_ lg_chipwd ht_ 11*lg_pinsep
+ "74LS138" at Chip.sw below ljust
+ lg_pin(Chip.sw_+(0,lg_pinsep),GND,Pin8,w,8)
+ lg_pin(Chip.sw_+(0,2*lg_pinsep),lg_bartxt(G2a),Pin4,wN,4)
+ lg_pin(Chip.sw_+(0,3*lg_pinsep),lg_bartxt(G2b),Pin5,wN,5)
+ lg_pin(Chip.sw_+(0,5*lg_pinsep),A,Pin1,w,1)
+ lg_pin(Chip.sw_+(0,6*lg_pinsep),B,Pin2,w,2)
+ lg_pin(Chip.sw_+(0,7*lg_pinsep),C,Pin3,w,3)
+ lg_pin(Chip.sw_+(0,9*lg_pinsep),G1,Pin6,w,6)
+ lg_pin(Chip.sw_+(0,10*lg_pinsep),V\hbox{\tiny CC},Pin16,w,16)
+ lg_pinseq(0,6,e,2,15-,Y,n)
+ lg_pin(Chip.se_+(0,9*lg_pinsep),Y7,Pin7,eN,7)
+ ]')
+
+divert(0)dnl