mirror of
https://gitlab.os-k.eu/os-k-team/kvisc.git
synced 2023-08-25 14:05:46 +02:00
46 lines
803 B
Plaintext
46 lines
803 B
Plaintext
|
# The OS/K Team licenses this file to you under the MIT license.
|
||
|
|
# See the LICENSE file in the project root for more information.
|
||
|
|
|
||
|
|
#---------------------------------------------------------------------------#
|
||
|
|
# Flag manipulation instructions #
|
||
|
|
#---------------------------------------------------------------------------#
|
||
|
|
|
||
|
|
#
|
||
|
|
# Clear or set interrupt flag (CLI/STI)
|
||
|
|
#
|
||
|
|
# Throws:
|
||
|
|
# #SYS if not in supervisor mode
|
||
|
|
#
|
||
|
|
cli
|
||
|
|
sti
|
||
|
|
|
||
|
|
#
|
||
|
|
# Clear or set direction flag (CLD/STD)
|
||
|
|
#
|
||
|
|
cld
|
||
|
|
std
|
||
|
|
|
||
|
|
#
|
||
|
|
# Complement, clear or set carry flag (CMC/CLC/STC)
|
||
|
|
#
|
||
|
|
cmc
|
||
|
|
clc
|
||
|
|
stc
|
||
|
|
|
||
|
|
#
|
||
|
|
# Load FLG register (LODF)
|
||
|
|
#
|
||
|
|
# $1 = FLG
|
||
|
|
#
|
||
|
|
lodf rm
|
||
|
|
|
||
|
|
#
|
||
|
|
# Store FLG register - lower byte only (STOFB)
|
||
|
|
#
|
||
|
|
# FLG[7:0] = $1[7:0]
|
||
|
|
#
|
||
|
|
# Note: FLG's lower byte contains CF, OF, ZF, SF, PF and DF
|
||
|
|
#
|
||
|
|
stofb rm
|
||
|
|
|