joncampbell123/dosbox-x
1
0
Fork 0
mirror of https://github.com/joncampbell123/dosbox-x.git synced 2025-10-14 02:17:36 +08:00
Code Issues Packages Projects Releases Wiki Activity

more

Browse Source
This commit is contained in:
Jonathan Campbell
2020-06-07 13:45:22 -07:00
parent 29ada9d759
commit 5957a21540
1 changed files with 18 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
doc-collection/opcodes/x86/8086.dop
View File

@@ -471,4 +471,22 @@ opcode sequence(0xA5) name "MOVSW" {
/* how to show it */
syntax ;
}
opcode sequence(0xA6) name "CMPSB" {
/* if DF = 1, srcidx -= 1, dstidx -= 1; */
/* if DF = 0, srcidx += 1, dstidx += 1; */
input memory reference byte srcidx, memory reference byte farptr(ES,dstidx), DF;
modifies srcidx,dstidx,flags(CF,PF,AF,ZF,SF,OF);
/* how to show it */
syntax ;
}
opcode sequence(0xA7) name "CMPSW" {
/* if DF = 1, srcidx -= wordsize, dstidx -= wordsize; */
/* if DF = 0, srcidx += wordsize, dstidx += wordsize; */
input memory reference word srcidx, memory reference word farptr(ES,dstidx), DF;
modifies srcidx,dstidx,flags(CF,PF,AF,ZF,SF,OF);
/* how to show it */
syntax ;
}