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Fixed fault generation on invalid memory accesses; PDP-11 BASIC now starts up!

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This commit is contained in:
Jeff Parsons 2016-10-21 17:06:41 -07:00 • committed by Jeff Parsons
commit 5f05913036
9 changed files with 360 additions and 351 deletions
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2
modules/pdp11/lib/defines.js
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@ -248,7 +248,7 @@ var PDP11 = {
*/
TRAP: {
UNDEFINED: 0x00, // 000 (reserved)
BUS_ERROR: 0x04, // 004 illegal instructions, bus errors, stack limit, illegal internal address, microbreak
BUS_ERROR: 0x04, // 004 illegal instruction, unaligned address, invalid memory, stack limit, microbreak
RESERVED: 0x08, // 010 reserved instructions
BPT: 0x0C, // 014 BPT: breakpoint trap (trace)
IOT: 0x10, // 020 IOT: input/output trap