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
!or rm rim
!and rm rim
!xor rm rim
!shl rm rim
!shr rm rim

#
# Unsigned arithmetic instructions
#

!neg rm
!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
#

!j ri
!jmp 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