David Banks
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85dbcb8732
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6502: Hack, use an internal 1MHz signal instead of Phi0
Change-Id: I4802cc19004795bbabc9f0e81053612b31affdfb
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2020-01-27 20:37:05 +00:00 |
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David Banks
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50a86721e4
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Updated XPM_T65 to 0.981
Change-Id: I0c9c2e43edd2ede2806e4795500080c2e7e013ea
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2020-01-03 11:30:23 +00:00 |
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David Banks
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9434397d32
|
6502: Implemented exec command
Change-Id: I6089c925c35ba6141fafc92c48fcb120019ea03d
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2019-11-15 10:29:22 +00:00 |
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David Banks
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e8c34bbed7
|
6502: Implemented go command (#12)
Change-Id: I35f3e02c54f87f19e9479985d2783e91fc681e40
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2019-11-14 18:33:02 +00:00 |
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David Banks
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0035e124cd
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Comments only
Change-Id: Iff4be31fbb82376ee4ef64f2655c7832dafdad12
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2019-11-14 10:19:25 +00:00 |
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David Banks
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0e5258197e
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All: dropped event detection and flush command
Change-Id: I1a393adfe428e2368198b22953de4f6b3c24b957
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2019-11-12 12:57:30 +00:00 |
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David Banks
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849300b51c
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lx9_dave: Baud rate now 115200
Change-Id: I6d29b7ff143828ff78a21a717a3c638553505d81
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2019-11-11 11:16:42 +00:00 |
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David Banks
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06270af767
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Z80: Fix timing of T80 Int Ack cycles
Change-Id: Id03770dc349f4a6bceea5875dba3f6c55315b311
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2019-11-08 10:39:12 +00:00 |
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David Banks
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c8f997863e
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Z80: Fix timing of T80 IO cycles
Change-Id: I769dcb01b95008b62455c86151252fdbd6d0aab5
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2019-11-08 09:54:07 +00:00 |
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David Banks
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38c57c75a3
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Z80: Fix timing of monitor IO cycles
Change-Id: I8c6251afc2e2aaeaa6612458d872e448d6386ea8
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2019-11-08 09:53:47 +00:00 |
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David Banks
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58613a50dd
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Update XPM_T65 with 65C02 0.90 version
Change-Id: I180728d6187f09b35f9509f2b4d1eb08754bb2a3
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2019-11-04 20:02:19 +00:00 |
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David Banks
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41ca5fd481
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Z80: fix sw_reset_cpu (sw1)
Change-Id: I75484366054a6175c246fd6bd82b3eb8b937218e
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2019-11-04 13:16:36 +00:00 |
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David Banks
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30cdb27f5c
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Z80: add 20-40ns additional address hold time (z80 co pro issue)
Change-Id: I2596b4a9d7c753f78ff6d431458da0ec9bb38a3d
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2019-11-04 13:01:18 +00:00 |
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David Banks
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007ebd07c2
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cosmetic
Change-Id: I072eb985b4913ebd9337f9c6db560deed7aa97ae
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2019-11-04 12:30:33 +00:00 |
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David Banks
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86b8e219eb
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All: synchronise cpu reset generated by AVR
Change-Id: I05f78a48dda721b882c3dd20755763c94e60b194
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2019-11-04 11:37:22 +00:00 |
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David Banks
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8e77183c17
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65c02: correct value shown an PC
Change-Id: I46d7accb3d02d8018389c01f215a9ef912fb09bf
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2019-11-04 11:36:49 +00:00 |
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David Banks
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197642d262
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All: fix issues at low cpu clock speeds using proper handshaking instead of fixed delays
Change-Id: I86370255634e1919ed79eeafd2b1252c625911f9
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2019-11-04 10:43:54 +00:00 |
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David Banks
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8724119101
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All: rename switches to represent their real function
Change-Id: I6dd61b8b7165e617363d61df5194e35c1a9dcc92
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2019-11-04 09:31:56 +00:00 |
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David Banks
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663aac5198
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6809: cosmetic renaming
Change-Id: I2a6a68289f7bb30ad23387f684dfd1badd6d754c
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2019-11-04 09:19:27 +00:00 |
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David Banks
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66d109494e
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All: refactor reset logic, add debouncing
Change-Id: Ie7b57ffcb6aa9aedd52e0b633be16775e9eca822
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2019-11-04 09:18:30 +00:00 |
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David Banks
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c8d084832b
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6502: Make RES_n an input (it was bidirectional which is risky in some systems)
Change-Id: I91fbf429b5fb3ada181d73d7fd03ab36046657be
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2019-11-03 13:59:50 +00:00 |
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David Banks
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973047db77
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6502: Remove superfluous done state
Change-Id: Ieaab323c1d2e553c6636d86ebb31dde4948a0c21
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2019-11-03 13:22:25 +00:00 |
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David Banks
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bcd1937d3d
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BusMonCore: fix issue with memory address incrementing too soon
Change-Id: Ie961c50b6c692ecddb181697b8c9a1c37956b9ce
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2019-11-03 13:05:19 +00:00 |
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David Banks
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5699d02d3d
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6502: Update T65 to latest version (same as AtomFpga)
Change-Id: I580c5aff7bd4c7cd234f82c25519a081d20b239f
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2019-11-03 12:14:28 +00:00 |
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David Banks
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e01ee2b010
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6809: fixed some recent build errors
Change-Id: Ica0aa9de8c2c7d7d15821fa061671f8419b9fbe5
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2019-11-02 20:09:19 +00:00 |
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David Banks
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2101300f17
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Removed unused DCM2
Change-Id: I83a5e682987094bd2b48890fadb639f5e50e8e11
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2019-11-02 19:37:57 +00:00 |
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David Banks
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029ee57f71
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BusMonCore: clean up switch/led names
Change-Id: I09e2778ba3718399c436aeb32f587a1cff4f1108
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2019-11-02 19:31:32 +00:00 |
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David Banks
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c6f860ed2c
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6502: seperate top level for GODIL and old LX9, rename modules for consistency
Change-Id: I6d9f390a24b63a303f4a557e49ee68109af4c76a
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2019-11-02 19:31:32 +00:00 |
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David Banks
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cfce5b1bd7
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Z80/6809: rename clocks for consistency
Change-Id: Iecd3ac5ede39865efc58eaa9e45f5892a44acb82
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2019-11-02 19:31:32 +00:00 |
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David Banks
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e0db1ccd7c
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Removed ice6502mon as it's never really been used
Change-Id: I0898ea3450573c5dafc143e5589aa0a3b4a1dc6c
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2019-11-02 19:31:38 +00:00 |
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David Banks
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1227d174a9
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Removed ice6502fast as it's never really been used
Change-Id: I7179414838f0488b12f0cc01d51b09184d835546
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2019-11-02 19:31:32 +00:00 |
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David Banks
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9c4c0837e5
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6809: seperate top level for GODIL and old LX9
Change-Id: I4a7d2a67c8aeaabc25d2987edb4a9026e92b1efc
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2019-11-02 15:18:33 +00:00 |
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David Banks
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29438683b2
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Z80: seperate top level for GODIL and old LX9
Change-Id: I1f339996037bb8a20afb7664877e0ed1d53d3868
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2019-11-02 14:50:43 +00:00 |
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David Banks
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d9f53c1f09
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Z80: refactor at top level to better support tristateable outputs
Change-Id: Ic4a55eb99c85ff2032079d8d12c7d7e44803b6e2
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2019-11-02 13:26:00 +00:00 |
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David Banks
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d23ebe6913
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Z80: push tristating up to Z80CpuMon
Change-Id: I6fd3e0a170f908d47a7cf0a7f82ab4f74ed980d9
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2019-11-01 18:31:31 +00:00 |
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David Banks
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71cb5ff561
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Z80: started implementing BUSRQ/BUSAK
Change-Id: I3d5ef9842ff5346a2e5df96d69e47ef94a81d8b8
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2019-11-01 17:48:17 +00:00 |
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David Banks
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ceedc701ca
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Z80: cosmetic (remove replication of a register)
Change-Id: I9ac3bf846da6f713e12b3d336cd9a25b5b6d8c96
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2019-10-30 17:41:50 +00:00 |
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David Banks
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768863fb85
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Z80: show halted state when single stepping
Change-Id: Iefe132a98f6b476d9ab7252f0ce551bf0435b3cd
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2019-10-30 17:31:49 +00:00 |
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David Banks
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c6bc245b3d
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Z80: indicate NMI and INT cycles when single stepping
Change-Id: Iafef4059bd136dd9f3aebf2b03ab5ac186e035a6
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2019-10-29 15:48:43 +00:00 |
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David Banks
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4818f026b2
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Removed unused h44780 support (free AVR PortA)
Change-Id: Iadde3718cfd6e8be08b680796d8c9cd01016e694
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2019-10-29 14:56:16 +00:00 |
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David Banks
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b6abb6964a
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Z80: Update all builds to 8 comparators and 16KB code
Change-Id: I8adc986caab323de395301ba397f4c7874e50d49
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2019-10-27 17:32:29 +00:00 |
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David Banks
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ab80df2406
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Z80: give a tad more address delay time (Acorn 2nd Proc issue)
Change-Id: I4872f8cc25d68978e856610ca7abaf4a12520028
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2019-10-27 16:27:35 +00:00 |
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David Banks
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e76bdc6da2
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Z80: Stop T80 in T3 not T2 (work in progress)
Change-Id: I19fa754cc09a068b628116b9636a995c162ad964
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2019-10-27 14:52:42 +00:00 |
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David Banks
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d479dedf4b
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Z80: fix bug when NOP mode disbled
Change-Id: I1853967582bf241a74f8fd8687deda2d5555b153
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2019-10-27 10:14:35 +00:00 |
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David Banks
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2c4ad8363b
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Z80: corrected watch/breakpoint when wait is being used
Change-Id: Ifb464548650e82fc655524186c07f98ed188e957
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2019-10-26 17:39:56 +01:00 |
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David Banks
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c39cf8649b
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Z80: Added mode input to control idle mode
Change-Id: I59c4696c9921ecad62be0785764fdf35ec9d82d5
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2019-10-26 15:35:53 +01:00 |
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David Banks
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26f0bea110
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Z80: Output NOPs when paused (inc M1)
Change-Id: I100fac021d68662497fbd2d0c7428dcaf9ef98a3
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2019-10-26 15:19:44 +01:00 |
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David Banks
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ac521aad15
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Z80: support interrupt masking in hardware
Change-Id: I97683cc03e9d65e496e5f9f2ee366cc0bc18087b
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2019-10-25 17:14:27 +01:00 |
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David Banks
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a29aa3015a
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lx9_dave z80: increase code space to 32KB
Change-Id: I7ab22f8cca51184b94e709336b661b8685d02d0b
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2019-10-25 17:11:13 +01:00 |
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David Banks
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89cd34c7db
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T80: comments only
Change-Id: Id680066f04c3ede403eea87b6c433c6c913f09a8
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2019-10-25 17:07:27 +01:00 |
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