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

#---------------------------------------------------------------------------#
# Stack manipulation instructions                                           #
#---------------------------------------------------------------------------#

#
# Unconditional jump with possible return (CALL)
#
#       PUSH(RIP)
#       JMP(RIP)
#
call rim

#
# Return to caller (RET)
#
#       POP(RIP)
#
ret

#
# Make new stack frame (ENTER)
#
#       PUSH(RBP)
#       RBP = RSP
#       RSP = RSP - $1
#
enter i

#
# Leave stack frame (LEAVE)
#
#       RSP = RBP
#       POP(RBP)
#
leave

#
# PUSH value onto stack
#
#       RSP = RSP - 8
#       *RSP = $1
#
push rim

#
# POP value from stack
#
#       $1 = *RSP
#       RSP = RSP + 8
#
pop rm