2019-03-10 01:22:29 +00:00
|
|
|
## Copyright (C) 2016 Jeremiah Orians
|
|
|
|
|
## This file is part of stage0.
|
|
|
|
|
##
|
|
|
|
|
## stage0 is free software: you can redistribute it and/or modify
|
|
|
|
|
## it under the terms of the GNU General Public License as published by
|
|
|
|
|
## the Free Software Foundation, either version 3 of the License, or
|
|
|
|
|
## (at your option) any later version.
|
|
|
|
|
##
|
|
|
|
|
## stage0 is distributed in the hope that it will be useful,
|
|
|
|
|
## but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
|
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
|
|
## GNU General Public License for more details.
|
|
|
|
|
##
|
|
|
|
|
## You should have received a copy of the GNU General Public License
|
|
|
|
|
## along with stage0. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
|
|
2019-03-10 13:33:45 +00:00
|
|
|
# Registers
|
2019-03-10 01:22:29 +00:00
|
|
|
DEFINE R0 0
|
|
|
|
|
DEFINE R1 1
|
|
|
|
|
DEFINE R2 2
|
|
|
|
|
DEFINE R3 3
|
|
|
|
|
DEFINE R4 4
|
|
|
|
|
DEFINE R5 5
|
|
|
|
|
DEFINE R6 6
|
|
|
|
|
DEFINE R7 7
|
|
|
|
|
DEFINE R8 8
|
|
|
|
|
DEFINE R9 9
|
|
|
|
|
DEFINE R10 A
|
|
|
|
|
DEFINE R11 B
|
|
|
|
|
DEFINE R12 C
|
|
|
|
|
DEFINE R13 D
|
|
|
|
|
DEFINE SP D
|
|
|
|
|
DEFINE R14 E
|
|
|
|
|
DEFINE LR E
|
|
|
|
|
DEFINE R15 F
|
|
|
|
|
DEFINE PC F
|
|
|
|
|
|
2019-03-10 13:33:45 +00:00
|
|
|
# Register masks for push/pop16
|
|
|
|
|
DEFINE {R0} 0100
|
|
|
|
|
DEFINE {R1} 0200
|
|
|
|
|
DEFINE {R12} 0010
|
|
|
|
|
DEFINE {R14} 0040
|
|
|
|
|
|
2019-03-10 01:22:29 +00:00
|
|
|
# LOAD/STORE
|
|
|
|
|
DEFINE MEMORY E5
|
|
|
|
|
DEFINE STORE32 08
|
|
|
|
|
DEFINE STORE8 0C
|
|
|
|
|
DEFINE LOAD32 09
|
|
|
|
|
DEFINE LOAD8 0D
|
|
|
|
|
DEFINE LOADI8_ALWAYS 0A0E3
|
2019-03-10 15:24:13 +00:00
|
|
|
DEFINE LOADI8_G 0A0C3
|
|
|
|
|
DEFINE LOADI8_GE 0A0A3
|
|
|
|
|
DEFINE LOADI8_EQUAL 0A003
|
|
|
|
|
DEFINE LOADI8_NE 0A013
|
|
|
|
|
DEFINE LOADI8_LE 0A0D3
|
|
|
|
|
DEFINE LOADI8_l 0A0B3
|
2019-03-10 01:22:29 +00:00
|
|
|
|
|
|
|
|
# JUMP/BRANCH
|
|
|
|
|
DEFINE JUMP EA
|
2019-03-10 15:24:13 +00:00
|
|
|
DEFINE JUMP_EQUAL 0A
|
2019-03-10 13:33:45 +00:00
|
|
|
DEFINE CALL_ALWAYS EB
|
2019-03-10 01:22:29 +00:00
|
|
|
|
|
|
|
|
# Data movement
|
|
|
|
|
DEFINE MOVE_ALWAYS 0A0E1
|
2019-03-10 13:33:45 +00:00
|
|
|
DEFINE PUSH_ALWAYS 2DE9
|
|
|
|
|
DEFINE POP_ALWAYS bde8
|
|
|
|
|
|
|
|
|
|
# Arithmetic
|
2019-03-10 15:24:13 +00:00
|
|
|
DEFINE AUX_ALWAYS E1
|
|
|
|
|
DEFINE IMM_ALWAYS E3
|
2019-03-10 13:33:45 +00:00
|
|
|
DEFINE ARITH_ALWAYS E2
|
|
|
|
|
DEFINE ADD 08
|
2019-03-10 15:24:13 +00:00
|
|
|
DEFINE CMP 005
|
|
|
|
|
DEFINE CMPI8 005
|
2019-03-10 01:22:29 +00:00
|
|
|
|
|
|
|
|
# SYSCALL
|
|
|
|
|
DEFINE SYSCALL_ALWAYS 000000EF
|
