small design fixes

Gerbers/zx81-external-eprom-B_Mask.gbr

@@ -0,0 +1,142 @@
+%TF.GenerationSoftware,KiCad,Pcbnew,8.0.1*%
+%TF.CreationDate,2024-04-15T13:45:33+02:00*%
+%TF.ProjectId,zx81-external-eprom,7a783831-2d65-4787-9465-726e616c2d65,rev?*%
+%TF.SameCoordinates,Original*%
+%TF.FileFunction,Soldermask,Bot*%
+%TF.FilePolarity,Negative*%
+%FSLAX46Y46*%
+G04 Gerber Fmt 4.6, Leading zero omitted, Abs format (unit mm)*
+G04 Created by KiCad (PCBNEW 8.0.1) date 2024-04-15 13:45:33*
+%MOMM*%
+%LPD*%
+G01*
+G04 APERTURE LIST*
+%ADD10R,1.778000X7.620000*%
+%ADD11C,1.600000*%
+%ADD12O,1.600000X1.600000*%
+%ADD13R,1.600000X1.600000*%
+%ADD14R,1.050000X1.500000*%
+%ADD15O,1.050000X1.500000*%
+G04 APERTURE END LIST*
+D10*
+%TO.C,J1*%
+X49689982Y-83680000D03*
+X52229982Y-83680000D03*
+X57309982Y-83680000D03*
+X59849982Y-83680000D03*
+X62389982Y-83680000D03*
+X64929982Y-83680000D03*
+X67469982Y-83680000D03*
+X70009982Y-83680000D03*
+X72549982Y-83680000D03*
+X75089982Y-83680000D03*
+X77629982Y-83680000D03*
+X80169982Y-83680000D03*
+X82709982Y-83680000D03*
+X85249982Y-83680000D03*
+X87789982Y-83680000D03*
+X90329982Y-83680000D03*
+X92869982Y-83680000D03*
+X95409982Y-83680000D03*
+X97949982Y-83680000D03*
+X100489982Y-83680000D03*
+X103029982Y-83680000D03*
+X105569982Y-83680000D03*
+%TD*%
+D11*
+%TO.C,R1*%
+X98670000Y-58020000D03*
+D12*
+X98670000Y-68180000D03*
+%TD*%
+D13*
+%TO.C,SW1*%
+X95320000Y-49240000D03*
+D12*
+X97860000Y-49240000D03*
+X100400000Y-49240000D03*
+X100400000Y-41620000D03*
+X97860000Y-41620000D03*
+X95320000Y-41620000D03*
+%TD*%
+D11*
+%TO.C,R2*%
+X101945000Y-58040000D03*
+D12*
+X101945000Y-68200000D03*
+%TD*%
+D11*
+%TO.C,C2*%
+X71400000Y-46500000D03*
+X71400000Y-44000000D03*
+%TD*%
+D13*
+%TO.C,U2*%
+X67865000Y-41450000D03*
+D12*
+X65325000Y-41450000D03*
+X62785000Y-41450000D03*
+X60245000Y-41450000D03*
+X57705000Y-41450000D03*
+X55165000Y-41450000D03*
+X52625000Y-41450000D03*
+X50085000Y-41450000D03*
+X50085000Y-49070000D03*
+X52625000Y-49070000D03*
+X55165000Y-49070000D03*
+X57705000Y-49070000D03*
+X60245000Y-49070000D03*
+X62785000Y-49070000D03*
+X65325000Y-49070000D03*
+X67865000Y-49070000D03*
+%TD*%
+D13*
+%TO.C,U1*%
+X83025000Y-52625000D03*
+D12*
+X80485000Y-52625000D03*
+X77945000Y-52625000D03*
+X75405000Y-52625000D03*
+X72865000Y-52625000D03*
+X70325000Y-52625000D03*
+X67785000Y-52625000D03*
+X65245000Y-52625000D03*
+X62705000Y-52625000D03*
+X60165000Y-52625000D03*
+X57625000Y-52625000D03*
+X55085000Y-52625000D03*
+X52545000Y-52625000D03*
+X50005000Y-52625000D03*
+X50005000Y-67865000D03*
+X52545000Y-67865000D03*
+X55085000Y-67865000D03*
+X57625000Y-67865000D03*
+X60165000Y-67865000D03*
+X62705000Y-67865000D03*
+X65245000Y-67865000D03*
+X67785000Y-67865000D03*
+X70325000Y-67865000D03*
+X72865000Y-67865000D03*
+X75405000Y-67865000D03*
+X77945000Y-67865000D03*
+X80485000Y-67865000D03*
+X83025000Y-67865000D03*
+%TD*%
+D14*
+%TO.C,Q1*%
+X91930000Y-66180000D03*
+D15*
+X93200000Y-66180000D03*
+X94470000Y-66180000D03*
+%TD*%
+D11*
+%TO.C,C1*%
+X86650000Y-61625000D03*
+X86650000Y-59125000D03*
+%TD*%
+%TO.C,R3*%
+X105245000Y-58070000D03*
+D12*
+X105245000Y-68230000D03*
+%TD*%
+M02*

Gerbers/zx81-external-eprom-B_Paste.gbr

@@ -0,0 +1,15 @@
+%TF.GenerationSoftware,KiCad,Pcbnew,8.0.1*%
+%TF.CreationDate,2024-04-15T13:45:33+02:00*%
+%TF.ProjectId,zx81-external-eprom,7a783831-2d65-4787-9465-726e616c2d65,rev?*%
+%TF.SameCoordinates,Original*%
+%TF.FileFunction,Paste,Bot*%
+%TF.FilePolarity,Positive*%
+%FSLAX46Y46*%
+G04 Gerber Fmt 4.6, Leading zero omitted, Abs format (unit mm)*
+G04 Created by KiCad (PCBNEW 8.0.1) date 2024-04-15 13:45:33*
+%MOMM*%
+%LPD*%
+G01*
+G04 APERTURE LIST*
+G04 APERTURE END LIST*
+M02*