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Assorted PDP-11 debugger changes

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This commit is contained in:
Jeff Parsons 2016-09-19 16:30:08 -07:00 • committed by Jeff Parsons
commit 1df54a338f
21 changed files with 499 additions and 276 deletions
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15
modules/pdp11/lib/defines.js
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@ -123,7 +123,7 @@ var PDP11 = {
*/
ADDR_INVALID: -1,
/*
* Processor Modes
* Processor modes
*/
MODE: {
KERNEL: 0x0,
@ -163,6 +163,19 @@ var PDP11 = {
INTR: 0x00ff, // mask for 8 bits, representing interrupt levels 0-7
HALT: 0x0100 // halt requested; see opHLT()
},
/*
* Opcode modes
*/
OPMODE: {
REG: 0x0, // REGISTER (register is operand)
REGD: 0x1, // REGISTER DEFERRED (register is address of operand)
POSTINC: 0x2, // POST-INCREMENT (register is address of operand, register incremented)
POSTINCD: 0x3, // POST-INCREMENT DEFERRED (register is address of address of operand, register incremented)
PREDEC: 0x4, // PRE-DECREMENT (register decremented, register is address of operand)
PREDECD: 0x5, // PRE-DECREMENT DEFERRED (register decremented, register is address of address of operand)
INDEX: 0x6, // INDEX (register + next word is address of operand)
INDEXD: 0x7 // INDEX DEFERRED (register + next word is address of address of operand)
},
/*
* Opcode definitions
*/