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Cleaned up conditional jump handling

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This commit is contained in:
Jeff Parsons 2015-05-04 19:26:06 -07:00 • committed by jeffpar
commit 2784934491
10 changed files with 135 additions and 50 deletions
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6
modules/pcjs/lib/x86.js
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@ -103,10 +103,10 @@ var X86 = {
MASK: 0xfff8 // table index
},
DESC: { // Descriptor Table Entry
LIMIT: {
LIMIT: { // LIMIT bits 0-15
OFFSET: 0x0
},
BASE: {
BASE: { // BASE bits 0-15
OFFSET: 0x2
},
ACC: { // bit definitions for the access word (offset 0x4)
@ -166,7 +166,7 @@ var X86 = {
* is 0xffffffff instead of 0xffff.
*/
BIG: 0x0040, // clear if default operand/address size is 16-bit, set if 32-bit
GRANULARITY: 0x0080, // clear if limit is bytes, set if limit is 4Kb pages
LIMITPAGES: 0x0080, // clear if limit granularity is bytes, set if limit granularity is 4Kb pages
BASE2431: 0xff00
},
INVALID: 0 // use X86.DESC.INVALID for invalid DESC values