Jeff Parsons
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4c63c8a97f
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Quick change (perhaps temporary) to update LEDs on every WAIT transition (similar to the behavior of the original pdp11.js)
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2016-10-11 10:47:09 -07:00 |
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Jeff Parsons
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05626a33cb
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Version number update
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2016-10-10 18:19:17 -07:00 |
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Jeff Parsons
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c69ebb7bcb
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Factored out mapVirtualToPhysical() calls when MMU not enabled, and fixed HALT (it actually halts the CPU now)
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2016-10-07 09:49:02 -07:00 |
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Jeff
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e24d507aa2
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Removed useless version numbers and dates from .js file headers
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2016-10-06 16:22:24 -07:00 |
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Jeff
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795d57839b
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Cleaned up the decoding SRCMODE and DSTMODE operands, should be less confusing now
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2016-10-04 17:22:25 -07:00 |
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Jeff
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fc48982d4c
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SRC operands must be fetched before DST operands (continued)
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2016-10-03 16:57:15 -07:00 |
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Jeff
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a254abc7dc
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SRC operands must be fetched before DST operands
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2016-10-03 16:50:39 -07:00 |
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Jeff
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bdc946a62d
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Fixed some cycle calculation problems involving src and dst decoding (eg, when the dst operand is only being read, not written)
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2016-10-03 15:31:01 -07:00 |
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Jeff
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2a065f4efc
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First stab at PDP-11 cycle times (11/70 to be precise) is more or less complete now
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2016-10-03 14:27:14 -07:00 |
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Jeff
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0b78b2885e
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Fixed MOV cycle calculation
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2016-09-30 15:43:00 -07:00 |
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Jeff
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0e0dcb29ec
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Added some PDP-11 opcodes I missed (JMP and SWAB)
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2016-09-30 15:27:53 -07:00 |
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Jeff
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af6b66d2a3
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Laying the groundwork for an attempt at PDP-11 cycle counting (it won't be exact, but it should be close)
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2016-09-30 12:00:07 -07:00 |
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Jeff
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98d3700fa4
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Cleaned up OPFLAG handling
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2016-09-29 14:02:37 -07:00 |
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Jeff
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b3ba03d0a5
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Got rid of runState, implemented a solution for WAIT
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2016-09-29 11:04:33 -07:00 |
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Jeff
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44a2ec9f03
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Fixed Debugger memory editing and register handling, tidied up some flag operations, and removed more now-unnecessary address checks in cpustate
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2016-09-29 09:11:25 -07:00 |
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Jeff
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c858fd0699
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Codify reasons for assorted traps
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2016-09-28 15:35:22 -07:00 |
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Jeff
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0ad98dc68b
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All PDP-11 opcode decoders implemented now
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2016-09-28 13:45:36 -07:00 |
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Jeff
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ed189527d0
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Optimized branch()
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2016-09-27 21:51:24 -07:00 |
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Jeff
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b2c66b5374
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Implemented more opcode decoders
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2016-09-27 16:21:55 -07:00 |
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Jeff
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e322c5f912
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Implemented INC/DEC opcodes
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2016-09-27 09:28:52 -07:00 |
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Jeff
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6af956b8f0
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Implemented branches and RTS
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2016-09-26 11:27:32 -07:00 |
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Jeff
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1ec60573d5
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Implemented opJSR, removed more "negative address" tests (eg, in pushWord); bad addresses should result in special exceptions, not negative return values
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2016-09-26 09:43:05 -07:00 |
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Jeff
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a451bbc5bc
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Added another example of an I/O address handler (XCSR)
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2016-09-25 15:15:06 -07:00 |
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Jeff
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f82d6f1bfa
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Assorted improvements to new opcode decoders
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2016-09-24 15:12:02 -07:00 |
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Jeff
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a7148a6eb3
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Finished creating the new PDP-11 decoding skeleton
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2016-09-23 17:59:18 -07:00 |
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Jeff
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b5a7525ad2
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Fixed some sloppy coding (my bad)
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2016-09-23 13:45:01 -07:00 |
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Jeff
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9d045008a3
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More decoding functions
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2016-09-23 13:16:12 -07:00 |
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Jeff
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7f0b6a091d
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Started work on new decoding functions
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2016-09-22 18:47:32 -07:00 |
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Jeff Parsons
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100779e30a
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First batch of pdp11.js code adapted but totally untested
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2016-09-05 11:05:40 -07:00 |
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Jeff Parsons
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4b778b281d
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Groundwork for a PDP-11 emulator (starting with a gutted copy of PC8080)
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2016-09-03 17:43:06 -07:00 |
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