kvisc/vm/in/INSTRS

# The OS/K Team licenses this file to you under the MIT license.
# See the LICENSE file in the project root for more information.

stop
nop

#
# Logical instructions
#

not rm
and rm rim
or rm rim
xor rm rim
shl rm rim
shr rm rim

cnotz rm
candz rm rim
corz rm rim
cxorz rm rim
cshlz rm rim
cshrz rm rim

cnotnz rm
candnz rm rim
cornz rm rim
cxornz rm rim
cshlnz rm rim
cshrnz rm rim

#
# Unsigned arithmetic instructions
#

# mul:
# rdx = hi(rax * $0)
# rax = lo(rax * $0)

# div:
# rdx = rax % $0
# rax = rax / $0

sgn rm rim

inc rm
dec rm
add rm rim
sub rm rim

mul rm rim
mul2 rim

div rm rim
div2 rim

mod rm rim

csgnz rm rim
caddz rm rim
csubz rm rim
cmulz rim
cdivz rim
cincz rm
cdecz rm

csgnnz rm rim
caddnz rm rim
csubnz rm rim
cmulnz rim
cdivnz rim
cincnz rm
cdecnz rm

#
# Comparison instruction
#

cmp rim rim
cmpb rim rim
cmpw rim rim
cmpl rim rim
cmpt rim rim

test rim rim
testb rim rim
testw rim rim
testl rim rim
testt rim rim

#
# Jump instructions
#

jmp ri

cjmpz ri
cjmpnz ri

cjmpa ri
cjmpae ri

cjmpb ri
cjmpbe ri

jcxz ri
jcxnz ri

loop ri
cloopz ri
cloopnz ri

#
# Movement instructions
#

lea rm m
mov rm rim
xchg rm rim
cmpxchg rm rim

cleaz rm m
cmovz rm rim
cxchgz rm rim
ccmpxchgz rm rim

cleanz rm m
cmovnz rm rim
cxchgnz rm rim
ccmpxchgnz rm rim

movb rm rim
movw rm rim
movl rm rim
movt rm rim

cmovbz rm rim
cmovwz rm rim
cmovlz rm rim
cmovtz rm rim

cmovbnz rm rim
cmovwnz rm rim
cmovlnz rm rim
cmovtnz rm rim

#
# Stack manipulation instructions
#

push rim
call rim
pop rm
ret

cpushz rim
ccallz rim
cpopz rm
cretz

cpushnz rim
ccallnz rim
cpopnz rm
cretnz

# push rbp
# mov rbp, rsp
enter

# add rsp, 8
# mov rbp, [rsp]
leave
cleavez
cleavenz

pushf

#
# Supervisor only instructions
#

popf

cli
sti

devctl rim rim
iocall rim rim

#
# Misc. instructions
#

# Clear rax...rsi
clr

# Clear ax0...ax7
cla

# Clear nx0...nx7
cln

# Print a character on the screen
prn rim

#
# Debugging instructions
#
break
cbreakz
cbreaknz

step rim