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More 80286 testing

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Jeff Parsons 2015-05-15 09:08:42 -07:00 • committed by jeffpar
commit a28fa95d25
25 changed files with 107 additions and 36 deletions
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7
modules/pcjs/lib/x86.js
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@ -103,16 +103,15 @@ var X86 = {
MASK: 0xfff8 // table index
},
DESC: { // Descriptor Table Entry
LIMIT: { // LIMIT bits 0-15
LIMIT: { // LIMIT bits 0-15 (or OFFSET if this is an INTERRUPT or TRAP gate)
OFFSET: 0x0
},
BASE: { // BASE bits 0-15
BASE: { // BASE bits 0-15 (or SELECTOR if this is a TASK, INTERRUPT or TRAP gate)
OFFSET: 0x2
},
ACC: { // bit definitions for the access word (offset 0x4)
OFFSET: 0x4,
BASE1623: 0x00ff,
MASK: 0xff00,
BASE1623: 0x00ff, // (not used if this a TASK, INTERRUPT or TRAP gate; bits 0-5 are parm count for CALL gates)
TYPE: {
OFFSET: 0x5,
MASK: 0x1f00,