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

#
# Unsigned arithmetic instructions
#

!inc rm
!dec rm
!add rm rim
!sub rm rim
!mul rm rim
!div rm rim
!mod rm rim
!sgn rm rim

# rdx = hi(rax * $0)
# rax = lo(rax * $0)
!mul2 rim

# rdx = rax % $0
# rax = rax / $0
!div2 rim

#
# 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

jcxz ri
jcxnz ri

!loop ri

#
# Movement instructions
#

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

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

#
# Stack manipulation instructions
#

!push rim
!call rim
!pop rm
!ret

# push rbp
# mov rbp, rsp
enter

# add rsp, 8
# mov rbp, [rsp]
!leave

pushf
popf

#
# Supervisor only instructions
#

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

step rim