kvisc/vm/in/LOGIC

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

#---------------------------------------------------------------------------#
# Logical instructions                                                      #
#---------------------------------------------------------------------------#

#
# TEST Comparison instruction
#
#       $1 AND $2
#
# Clears OF and CF
# Sets ZF and SF according to the result
#
test rim rim

#
# Bitwise NOT operation
#
#       $1 = NOT($1)
#
# Preserves all flags
#
not rm

#
# Bitwise OR operation
#
#       $1 = $1 OR $2
#
# Clears OF and CF
# Sets ZF and SF according to the result
#
or rm rim
orf rm rim

#
# Bitwise AND operation
#
#       $1 = $1 AND $2
#
# Clears OF and CF
# Sets ZF and SF according to the result
#
and rm rim
andf rm rim

#
# Bitwise XOR operation
# 
#       $1 = $1 XOR $2
#
# Clears OF and CF
# Sets ZF and SF according to the result
#
xor rm rim
xorf rm rim

# To document

shl rm rim
shr rm rim
shlf rm rim
shrf rm rim

sal rm rim
sar rm rim
salf rm rim
sarf rm rim