David Banks
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9bcea56588
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z80: CLK_n timing constraint now 8MHz
Change-Id: Ia544905845a8b7996ff3e381a1e47184cc5dda82
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2019-10-15 11:45:51 +01:00 |
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David Banks
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50658b358e
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z80: generate RFSH_n cycles when stopped
Change-Id: Ice9a78932bda74098cdde8d0a5571bc4bb784bb4
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2019-10-14 20:26:04 +01:00 |
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David Banks
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d9d552475a
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z80: rework wait state / break point logic
Change-Id: I2b41c014165e8d753693d3ed7806087e85202a6e
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2019-10-14 17:33:32 +01:00 |
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David Banks
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4c746994cb
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z80: major rewrite of memory access state machine
Change-Id: Icc5c7c991120ed155691c1e74517ac02f8ea2ada
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2019-10-14 13:35:13 +01:00 |
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David Banks
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984ac1a2d3
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z80: fixed an error in board.ucf in the previous commit
Change-Id: Ib83916a7e1d1dcc163001ab342e65b80858d9c29
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2019-10-03 18:26:15 +01:00 |
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David Banks
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dfeaff9488
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6502: minor fixes to lx9_dave, boots in beeb
Change-Id: I18c909f7586b439d52ecc938d4a9bb7a3e6d76e5
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2019-10-03 13:17:18 +01:00 |
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David Banks
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c08084d703
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Kicad 6809e: Initial schematic and layout
Change-Id: I1f3988a54ba62f626f5644a8ad20651948e5fbe7
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2019-10-01 18:37:35 +01:00 |
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David Banks
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2a79bc6819
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6809: Added special command to inhibit IRQ/FIRQ/NMI
Change-Id: I9b94fec5f464ecdb6bb0a4cd2a430401a182c929
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2019-10-01 15:21:28 +01:00 |
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David Banks
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a1591e4e97
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Kicad z80: added manufacturing files
Change-Id: I90ceb9f1e56ee000a9704d423b4f0298baf85de8
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2019-09-22 16:01:34 +01:00 |
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David Banks
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6b2cc8c6ed
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Kicad 6502: added manufacturing files
Change-Id: I9ec163c55ca61acad41b0155dbb50ff9f188ccf4
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2019-09-22 16:01:21 +01:00 |
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David Banks
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80a3003e86
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Kicad 6502: change via sizes
Change-Id: I8dcd3cc5ac6fae908891b67d9d1c4ddfbb9d1988
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2019-09-22 15:46:52 +01:00 |
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David Banks
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08aea66a31
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Kicad z80: change via sizes
Change-Id: I87a36dab22496e9229797047826a10f0319e28f1
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2019-09-22 15:46:43 +01:00 |
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David Banks
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cf34e40cd9
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Kicad z80: add more power vias
Change-Id: If1bc8cabde72e3d8b67fdd21e4c5b55accf4307d
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2019-09-22 14:34:11 +01:00 |
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David Banks
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9413f4beef
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Kicad 6502: add more power vias
Change-Id: I293a495840e0f96dae8bd8866a7b1adfe1f79e49
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2019-09-22 13:52:25 +01:00 |
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David Banks
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675e32ca92
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Kicad 6502: final tweaks
Change-Id: Id3d45fc11b7cfa304b3275ba0561da354e969d0a
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2019-09-22 12:43:02 +01:00 |
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David Banks
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7d6c003f97
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Kicad 6502: renamed v2 to v1
Change-Id: I493f0bce7b4e01e127eb6f59b814509261079bc2
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2019-09-20 15:41:45 +01:00 |
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David Banks
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30e9db9f0a
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Kicad 6502: deleted old v1 design
Change-Id: I587c707cf754200da95cf51cbf9c0cd49d687b72
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2019-09-20 15:41:11 +01:00 |
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David Banks
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c660ea87be
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Updated lx9_dave/ice6502 for active level shifter design
Change-Id: Ib2e98050d02c9c1e3dd7c9a9b63eea118b95a540
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2019-09-20 15:34:44 +01:00 |
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David Banks
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a25a008ffc
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Updated lx9_dave/icez80 for active level shifter design
Change-Id: I546e1afc0943443f444ae7f55783bac7e3379453
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2019-09-20 15:34:34 +01:00 |
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David Banks
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864bcf68df
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Kicad z80: added clock filtering
Change-Id: Iffb927aec6c569c380b294d3bcf015d7ca117871
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2019-09-20 12:42:26 +01:00 |
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David Banks
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18556aa2f6
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Kicad 6502: added clock filtering
Change-Id: Ie6bed6f3463082afe51a1fb8c050a8b091c48733
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2019-09-20 12:42:18 +01:00 |
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David Banks
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9c6960cc04
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ICE-6809: Added glitch filtering to E
Change-Id: Ide53c1776bc1eafc5fd746415a83a1f34f32b3a0
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2019-09-17 17:36:11 +01:00 |
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David Banks
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d86d51e020
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ICE-6809: Adjusted the timings slightly
Change-Id: I56ef5d22df2a329bba2853bcc7d39571492edb01
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2019-09-17 16:17:36 +01:00 |
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David Banks
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b7d6ca23b3
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Revert accidental change to MC6809ECpuMon
Change-Id: I7c5627b8a056bc1a784af1d8ed4cdc61862e7aa2
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2019-09-17 10:31:12 +01:00 |
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David Banks
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805e8deca1
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Kicad: 6502 - improve 5V feed
Change-Id: Ica39a67ed9f85275c6b1dc0a90cf37d0e31e3e30
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2019-09-15 22:12:26 +01:00 |
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David Banks
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e01e5dc04b
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Kicad: z80 - silk screen
Change-Id: Ic8d5d61c4317fe6d5aab339d12e606a732d2d521
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2019-09-15 21:55:17 +01:00 |
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David Banks
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9271f09183
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Kicad: 6502 - updated references
Change-Id: I45bc5e4fd75b5cd01ca32841c63654ae4ecd3aa0
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2019-09-15 21:53:40 +01:00 |
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David Banks
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bfc63310d1
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Added cache.lib to .gitignore
Change-Id: Ib26cd344c22a5ebca30d61e0b7d87c4af35061ef
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2019-09-15 21:37:50 +01:00 |
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David Banks
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33c166ac1c
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Kicad: Added Z80 adapter
Change-Id: I18a319dd64b15621c386cd75942a09155ef6ca45
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2019-09-15 21:32:46 +01:00 |
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David Banks
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5b275de71f
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Kicad v2: added board ID inputs
Change-Id: Icd6a9a87a3867341f807e1a5e4e62fdbedf48ec2
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2019-09-15 13:32:35 +01:00 |
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David Banks
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baee10c8b3
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Kicad v2: added build for manufacturing files
Change-Id: I4a3f04d7ee044a9d6b395d2303a9b2331e0d8fa6
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2019-09-13 17:10:34 +01:00 |
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David Banks
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2ea31b9ad9
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Kicad v2: pullups now 22K
Change-Id: Ifc62323672c629df6b52f226b6476b2ad5518f38
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2019-09-13 16:37:18 +01:00 |
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David Banks
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ade0278509
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Kicad v2: tidy silk screen
Change-Id: If12620a298bd5fbff141099f2c71169e6e205514
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2019-09-13 16:27:09 +01:00 |
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David Banks
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c176820200
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Kicad v2: rename links
Change-Id: I2fc630457c3b052049f75c04c1aff412362bf5d8
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2019-09-13 15:40:31 +01:00 |
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David Banks
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03347ad73c
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Kicad v2: tidy silk screen
Change-Id: Ibfc531d09abf424fe4ee19d3ce5bf832ba04c9d0
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2019-09-13 15:37:36 +01:00 |
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David Banks
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2344540958
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Kicad v2: Made U7-9 optional
Change-Id: I12321e6fa8e13fafd418168cac815ec912868499
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2019-09-13 14:12:59 +01:00 |
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David Banks
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753b10e4cf
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Kicad v2: more tidying; add logo
Change-Id: I0f30f7ad6e5b9fd4cd53931bdb14ebcec43bfbde
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2019-09-13 12:28:39 +01:00 |
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David Banks
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1c7d4a67d7
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Kicad v2: tidy up silk screen
Change-Id: I896fd28673c0eb53f6806e9b0a759d7c3031513a
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2019-09-13 11:39:05 +01:00 |
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David Banks
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1a69b146a5
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Kicad v2: move links to bottom side
Change-Id: I33b51bece46e5740e79fb7a987f4b0b4afac2db6
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2019-09-11 22:44:58 +01:00 |
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David Banks
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4b88d2aedd
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Kicad v2: complete routing
Change-Id: Iae7b92ccb95a640158a3a9c1239e2491624e5da2
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2019-09-11 18:19:02 +01:00 |
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David Banks
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3691beed9f
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Kicad v2: associate 3D shapes
Change-Id: Ib7420c2c4d4255bf3a8f300c0ed9f4dc21d70a33
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2019-09-10 12:37:18 +01:00 |
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David Banks
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ef13b65a05
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Kicad: remove old netlist
Change-Id: I934333fc0d8f13e24efcf26b9f0b38f45037ea6b
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2019-09-10 12:23:16 +01:00 |
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David Banks
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f444a1e95c
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Kicad: tidy up old rescue libraries
Change-Id: I7ebc1262f060e53b4b61088e066c484ba505e374
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2019-09-10 12:21:58 +01:00 |
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David Banks
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53dfb4de9d
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Kicad: v2 of 6502 board, work in progress
Change-Id: I5d865e1926e1c646a2db54d31abfb38bb1109585
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2019-09-10 11:56:15 +01:00 |
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David Banks
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16e2bcf9dd
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Renamed kicad to 6502/v1
Change-Id: I932c4bc803c41fe6a9090767733cd44da230f795
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2019-09-10 09:51:25 +01:00 |
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David Banks
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db6b20c696
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Updated to kicad 5.1.4
Change-Id: Ie4dcf4e2a2838c19be82e0fb09b6ff49b04564ac
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2019-09-10 09:49:25 +01:00 |
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David Banks
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e66b0b51c2
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Z80: remove special command as it caused code overflow
Change-Id: If3a71ea55503ac0edb8d476c05f4f909f0e3c605
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2019-08-20 09:39:49 +01:00 |
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David Banks
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efdd41a239
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6502: Added special command to inhibit IRQ/NMI
Change-Id: I6ba8a1b3b92e5852382d35eee7a59b6a9d7e63e8
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2019-06-15 17:50:29 +01:00 |
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David Banks
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e9d4e98b96
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LX9 6502: Move fakeTube input to p112 (next to a GND)
Change-Id: Ib52362ed12ddc885025f1e098f864fdb313b795d
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2018-12-21 17:45:22 +00:00 |
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David Banks
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285697d175
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6502: remove 40ns skew between phi1/phi2 outputs, as this erodes address hold time time from phi1
Change-Id: Idd2b1418a18f6bb5cf2b553b6a069c42a0e64b97
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2018-12-21 17:25:37 +00:00 |
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