Jeff Parsons
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cd8b6464a3
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Added more MMU handlers
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2016-10-07 10:58:15 -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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117fe65359
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Picked up minor gh-pages changes
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2016-10-06 14:40:58 -07:00 |
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Jeff
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1a1614a648
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Simplify the Bus and Memory interfaces slightly, by enabling WORDBUS, which treats all word accesses as aligned; the CPU is has sole responsibility for detecting unaligned word addresses and trapping appropriatelu
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2016-10-06 14:17:29 -07:00 |
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Jeff
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4e8d4e95d8
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Picked up fixes from the gh-pages rollout
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2016-10-06 10:09:41 -07:00 |
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Jeff
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21b4fe4942
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Renamed PDP11js to PDPjs (mostly a cosmetic change, except for the versions directory, and less of a mouthful)
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2016-10-05 17:43:46 -07:00 |
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Jeff
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8532b011f8
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PDP-11 console (TTY) input/output working now
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2016-10-05 13:46:44 -07:00 |
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Jeff
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086ef51588
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Cleaned up the SerialPort (formerly tty) logic a bit
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2016-10-05 12:41:14 -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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ebfcd5133b
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PDP-11 console output works (first baby step)
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2016-10-04 15:24:22 -07:00 |
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Jeff
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489a28923c
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Start the Debugger with reasonable default addresses
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2016-10-04 14:06:51 -07:00 |
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Jeff
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d90d10ea52
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Moved PDP-11 console I/O to SerialPort component
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2016-10-04 14:02:39 -07:00 |
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Jeff
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7923529aee
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Improved debugger messages for bus and memory accesses
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2016-10-04 10:45:18 -07:00 |
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Jeff
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8a78eb7d6b
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No more MAX_ADDRESS hacks for "fake" register addresses
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2016-10-03 17:14:05 -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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9dd582eda8
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Fixed PDP-11 Debugger display of alternate target addresses
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2016-10-03 15:45:05 -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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07ee5497bc
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Added some polyfills for old browsers
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2016-10-01 14:37:02 -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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a731313215
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Updated default PDP-11 speed
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2016-09-29 22:43:55 -07:00 |
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Jeff
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1d395b7bd5
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Added some comments on cycle times
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2016-09-29 15:36:34 -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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98081c6a6d
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Allow the PDP-11 debugger to use parentheses for sub-expressions
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2016-09-29 09:38:17 -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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c7dbfc02be
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Fixed CPU start/stop control; runCPU is now strictly a worker function, not a control interface (PDP-11 only; other CPUs still need to be updated to match)
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2016-09-28 22:21:52 -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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eb5aaa5d66
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Strip leading zeros from selected debugger constants (typically immediate values)
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2016-09-27 12:53:36 -07:00 |
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Jeff
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15fe831fc7
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Sanpshot the bootcode used for initial PDP-11 testing
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2016-09-27 11:40:47 -07:00 |
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Jeff
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9727a2d4df
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Across-the-board debugger fix
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2016-09-27 09:34:56 -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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b2294e2293
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Use CPU timer functions (instead of browser timeout/interval functions) to control device interrupts/timeouts
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2016-09-26 20:34:31 -07:00 |
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Jeff
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3497466113
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Cleaned up interrupt handling, register initialization, MMU initialization, etc
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2016-09-26 16:53:37 -07:00 |
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Jeff
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1e1388b9ca
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Added KW11 interface (and LKS register) definitions
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2016-09-26 12:36:36 -07:00 |
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Jeff
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4b4098a5c9
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Cleaned up ACCESS defines
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2016-09-26 11:57:21 -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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5b25dc91ae
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Let's stop on any un(re)implemented opcode for now
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2016-09-26 10:02:21 -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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a4613082f8
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Converted all "short" references to "word", since word meant 16-bit in the PDP-11 world, and no one said short back then
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2016-09-26 08:53:35 -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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da617d454d
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Laid groundwork for MMU-specific functions, to avoid address mapping work when unnecessary
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2016-09-25 12:12:26 -07:00 |
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Jeff
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56c305ca64
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Added more register documentation
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2016-09-24 21:32:00 -07:00 |
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