David Banks
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1c1505b2ad
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Initial check-in of an 6502 specfic level shifter for the LX9 Core board
Change-Id: I439efad67f8b4152f7a149ea6c2af9056fc2b4ab
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2017-07-25 13:53:54 +01:00 |
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David Banks
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4d5f930a7f
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Rebuilt xc3s500e builds of v0.73 using seperate ip_core dir
Change-Id: Ie38713b06da523c74f348e480ab8e6c95d5a86bd
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2016-10-24 18:01:44 +01:00 |
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David Banks
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74d3618b1a
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Seperate ipcore directories for 250 and 500 parts
Change-Id: I726ff1bd3302a8918a71f069c0abf3251fe622aa
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2016-10-24 17:59:06 +01:00 |
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David Banks
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cc0e8fb051
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Added xc3s500e builds of v0.73
Change-Id: If4fa6d5293f7914f9aee4a944c9f407856c35372
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2016-10-24 14:35:48 +01:00 |
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David Banks
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4acc64bd51
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Fixed Z80 mcs file (somehow a xcs3500e build was checked in)
Change-Id: I6c60a382073e7c1029882fff03e16fa4c8f821c8
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2016-10-24 14:34:37 +01:00 |
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David Banks
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f64641f99c
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Added build scripts for xc3s500e
Change-Id: Icc7990c3ee257d1511fa478fd0d2b3575362eb29
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2016-10-24 14:24:18 +01:00 |
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David Banks
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0692e204e8
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Added 0.73 binary release
Change-Id: Id00fe1189acf8c65af5d9ce4d09200a752dad58a
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2016-10-20 20:03:19 +01:00 |
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David Banks
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1d60e683b6
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v0.73 - added srecord upload command
Change-Id: I6b7f9c2a43794c7a6b8f7abd65fac33eb691dbf4
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2016-09-09 11:31:50 +01:00 |
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David Banks
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ceaeb932a7
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Clean up white space
Change-Id: I126fff11794dbd3d47c4dd87b9410b49212199ca
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2016-09-08 14:16:10 +01:00 |
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David Banks
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6291faa4bd
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Updated to 0249 of the Z80 core by TobiFlex to fix issues with Spectrum Keyboard
Change-Id: I2d92c541cdb7feaad84bd3d37ec125594b6b47a8
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2016-08-22 14:46:41 +01:00 |
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David Banks
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de6f722978
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Adjusted Din sampling point ~40ns later so it co-incides with Phi2
Change-Id: Ibdd44b83a139b6560efc886e95714ee91daef3dc
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2016-08-01 16:34:47 +01:00 |
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David Banks
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ba9364b2b7
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Updated README
Change-Id: If88d67358c9e1da43627c2108a1f08a5da666d96
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2016-07-15 15:21:28 +01:00 |
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David Banks
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b429877e6a
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Added Blank design; removed old .bit files
Change-Id: Id50f35c6ce4116034b853a76795b2568bf564808
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2016-07-15 15:14:12 +01:00 |
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David Banks
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759e800d8d
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Added 0.72 release MCS files
Change-Id: I9dfb0333114524b2f793f1eb4c328345a0be3617
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2016-07-15 15:07:34 +01:00 |
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David Banks
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92680588cb
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Improvements to the multi-platform build scripts
Change-Id: I403d566a3f022451d41f158b499a25941b2c7e0d
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2016-07-13 18:19:41 +01:00 |
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David Banks
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5410c32db3
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Eliminated some warnings - changes mostly cosmetic
Change-Id: Ic7a7a107f9343bac2b49512d92ee2ad8f13c8bb2
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2015-11-29 12:22:13 +00:00 |
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David Banks
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de16b3af1a
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Eliminated some warnings - changes mostly cosmetic
Change-Id: I141b05c932d0736e689ff3a2cb2c90c24c850933
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2015-11-29 12:06:42 +00:00 |
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David Banks
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847b781708
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Forgot to push changes to Z80 .xise file
Change-Id: Ic0ccf2ec51122a3f3f232dcaa4594ca36a9528e2
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2015-11-28 17:33:01 +00:00 |
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David Banks
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dd2ea9182b
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Fixed an incorrect module name
Change-Id: I952135d7be04e332ca4cc5de7f6491bc0fedf5ec
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2015-11-28 17:32:08 +00:00 |
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David Banks
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e63266f720
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Made AVR XPM and XDM more generic
Change-Id: I0025d56d4ba7fa3e20d73f09ac51068ffd1859c5
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2015-11-28 17:22:23 +00:00 |
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David Banks
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cc6c062b4b
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Updated XDM2Kx8 to a more portable implementation
Change-Id: I37cbe56b7b0113e24855eb1c0fcf7bbe006eefd3
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2015-11-28 11:19:27 +00:00 |
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David Banks
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d70c378245
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Only return will interrupt continue; version now 0.72
Change-Id: I6fc1fb0b268facf1fe80dd9f45f1790a53dd33e9
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2015-11-15 13:42:47 +00:00 |
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David Banks
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a785d7e73f
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Refactored AtomFast6502 to use new MOS6502CpuMonCore - works in new Atom at 4MHz and with tube
Change-Id: I73c769919e2634a4656a6edec2c5a1100bd70083
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2015-11-15 11:50:06 +00:00 |
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David Banks
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ffdd038a8b
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ICE-T65 - ignore control characters on serial input; version now 0.71
Change-Id: If18267cb8436637ab04ee792e4f454cac6ecb70e
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2015-11-15 11:38:01 +00:00 |
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David Banks
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55c8889881
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Updated reset output to avoid the use of a tristate signal in BusMonCore
Change-Id: I3f49317689eb5808a5edb5fe5b10552d01a3db59
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2015-11-15 11:37:50 +00:00 |
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David Banks
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dc6165f826
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Cosmetic tweaks to avoid warnings to Quartus
Change-Id: I9f044a50d599dfcd3d3b7bd46f6e99e1ef3e92b6
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2015-11-14 13:36:15 +00:00 |
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David Banks
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568fd2906d
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Fixed AlanD core 65C02 bugs: D was being set in IRQ/BRK; sync was inferring a latch
Change-Id: Ia7163e996c403a1caae04df10de3d7a42a91b45c
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2015-11-11 13:07:19 +00:00 |
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David Banks
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6aeb0c7b8a
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Refactor: 2nd stage - bug fixes
Change-Id: Ic3bd520d0cc8b74f33068c53085229506d6968b2
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2015-10-31 18:31:41 +00:00 |
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David Banks
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99c5f951d1
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Refactor: 2nd stage
Change-Id: I6959bbc88082cc46930f907378d42adf1abf180e
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2015-10-31 14:29:14 +00:00 |
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David Banks
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b563a030ee
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Refactor: 1st stage
Change-Id: I8889ff76ce802099fae67c147e110356adbd23ac
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2015-10-31 13:45:09 +00:00 |
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David Banks
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8a857ae45e
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Experimental AtomFast6502 adding bus mon function
Change-Id: Ib5115d9e7b736c45bb46a0a063325a0173b6f823
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2015-10-31 11:46:40 +00:00 |
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David Banks
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eaf6f90ab6
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ICE T65: Fixed the single stepping issue with AlanD's core (sync bug); increased CCLK rate to 25MHz
Change-Id: I226a63a10b80973001f4b0ee825dcecadaece8cb
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2015-10-27 19:34:02 +00:00 |
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David Banks
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3c31e9e875
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ICT T65: Fixed an issue the caused an immediate NMI on a Beeb Model B
Change-Id: I5f0e00fc5e4f647c81778821282316e812215cb8
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2015-10-27 18:03:45 +00:00 |
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David Banks
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344e03185d
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Reworked the 6502 single stepping to hide the fact that register writes are pipelined
Change-Id: I6d9157e3d9ade9af72e11d255b224cc7f210f376
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2015-10-26 16:44:25 +00:00 |
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David Banks
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9c4b9aa944
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In ICE-T65 fixed the timing of ICE initiated read/write cycles to give them a whole cycle
Change-Id: I6bfdf624ad4340a219096f231334ec8a9bbfc5af
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2015-10-26 12:54:17 +00:00 |
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David Banks
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aa91a4826c
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Added missing file: ipcore_dir/WatchEvents.ngc
Change-Id: Id89311ba94b79dec4c9c22c96b98dc47459da180
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2015-10-26 12:19:11 +00:00 |
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David Banks
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08f266d6a0
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Added missing file: ipcore_dir/WatchEvents.xco
Change-Id: I5d2a57955e53faf4cacccebd4d4b2bc3bc61424d
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2015-10-25 08:51:29 +00:00 |
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David Banks
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92177196c0
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Experimental AtomFast6502 with a different clocking arrangement
Change-Id: Ic6f5275bc0982254e9b5508ec79f0365712657de
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2015-09-23 14:56:31 +01:00 |
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David Banks
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d3224a651d
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Fixed a bug with the I Flag being 0 rather than 1 following reset
Change-Id: Ifc1573026e93944d33a756bd601200441ba20c1d
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2015-08-29 20:57:49 +01:00 |
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David Banks
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d44d3a889e
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Updated 6809 clocking scheme; tested on Dragon 32 and Simple 6809; fixed 6809 reset command bug; version now 0.64
Change-Id: Id772f50d3676b057ed31c001b211fdf92a9f49f8
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2015-08-08 13:49:13 +01:00 |
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David Banks
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aeed6c1a65
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Further improvements to the clocking of the 6809 for Roland to try
Change-Id: Ida0384c65ca405f50652a3c26665d1c5adac0748
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2015-07-19 18:04:22 +01:00 |
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David Banks
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66b65f1bd6
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Changed 6809 timing to provide bags of write address setup and hold time, version now 0.62
Change-Id: I1da33ddd81253f123e231e3cfad7e086bd3de08d
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2015-07-16 18:16:07 +01:00 |
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David Banks
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318f7678a3
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Further optimization of static data in disassemlers, data memory usage < 1K, version now 0.61
Change-Id: Ibcb5fd3e9141022cb940ebc70ca5369bdeb738c4
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2015-07-07 16:20:32 +01:00 |
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David Banks
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d6c9287067
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Changed to 18K ROM/2K RAM, version now 0.60, bitfiles published for all three designs
Change-Id: I2dd2b203e68d3ddde7d8bbb9052d4d46b802fbbb
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2015-07-06 18:49:57 +01:00 |
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David Banks
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2677a945aa
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Corrected the function of EXTAL and XTAL; version now 0.53
Change-Id: Ib9c329b06827a83c8d9d307db12f16a91e2cb977
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2015-07-04 17:50:03 +01:00 |
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David Banks
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3afc09c07d
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Added a jumper to select between 6809 and 6809E clocking; increased breakpoints to 8; version now 0.52
Change-Id: If17d2d0ff336fde2aafd9613eba47bbe7392ad8c
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2015-07-04 16:51:08 +01:00 |
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David Banks
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34dacfb72e
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Reworked the 6809 single stepping to hide the fact that register writes are pipelined
Change-Id: I60d51d4584c44e36db37fb3953af818d83cf7958
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2015-07-04 14:51:40 +01:00 |
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David Banks
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5dad7cf788
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Some small bug fixes
Change-Id: I2119c57f24be5675b4530fda9dc3b971935706c7
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2015-07-04 14:50:55 +01:00 |
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David Banks
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17d02c19fa
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Increased Z80 drive to 4mA, as 2mA is barely sufficient to counter the 1K5 GODIL pullups
Change-Id: I09e512bb7415c6b69e97df7bae870647adcd12d4
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2015-07-04 14:49:59 +01:00 |
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David Banks
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7bcea43c68
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Shrunk the 6809 disassembler; version now 0.50; silly mistake
Change-Id: I49f59501559778d501284857d8afe5feca0bc6c0
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2015-07-02 18:02:06 +01:00 |
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