from inst import Inst, asm, print_asm, print_ihex
seg_pattern = [0xFC, 0x60, 0xDA, 0xF2, 0x66, 0xB6, 0xBE, 0xE0, 0xFE, 0xF6]
x_0 = 0
pattern_mem = 5
pattern_tmp = 6
program = [Inst.LUI(pattern_mem, 0x10001000)]
for i in range(10):
print(seg_pattern[i])
program.append(Inst.ADDI(pattern_tmp, 0, seg_pattern[i]))
program.append(Inst.SB(pattern_mem, pattern_tmp, i))
seg = 6
counter = 7
pattern_mem_addr = 8
pattern = 9
max = 15
program_main = [
'main',
Inst.LUI(seg, 0x04000000),
Inst.ADDI(counter, x_0, 0),
Inst.ADDI(max, x_0, 9), 'loop',
Inst.ADD(pattern_mem_addr, counter, pattern_mem),
Inst.LBU(pattern, pattern_mem_addr, 0),
Inst.SB(seg, pattern, 0),
Inst.ADDI(counter, counter, 1),
Inst.LBEQ(counter, max, 'reset'),
#! /usr/bin/env python3
from inst import Inst
filename = 'sample1_7seg.hex'
program = []
program.append(Inst.LUI(5, 0x04000000))
program.append(Inst.ADDI(10, 0, 0xff))
program.append(Inst.SB(5, 10, 0x00))
program.append(Inst.JAL(0, -4 * 2))
# generate assembly
#print('')
print('sample program 1')
for i in program:
print('{:08x} | {}'.format(i.gen_code(), i.gen_mnemonic()))
# generate intel hex format
with open(filename, 'w', encoding='utf-8') as file:
for offset, inst in enumerate(program):
file.write(inst.gen_HEX(offset))
file.write("\n")
file.write(':00000001FF\n')
from inst import Inst, asm, print_asm, print_ihex program = [ # Store 7seg led patterns Inst.LUI(5, 0x10001000), # memory = 0x10001000 Inst.ADDI(6, 0, 0b11111100), # 7seg: 0 Inst.SB(5, 6, 0x0), Inst.ADDI(6, 0, 0b01100000), # 1 Inst.SB(5, 6, 0x1), Inst.ADDI(6, 0, 0b11011010), # 2 Inst.SB(5, 6, 0x2), Inst.ADDI(6, 0, 0b11110010), # 3 Inst.SB(5, 6, 0x3), Inst.ADDI(6, 0, 0b01100110), # 4 Inst.SB(5, 6, 0x4), Inst.ADDI(6, 0, 0b10110110), # 5 Inst.SB(5, 6, 0x5), Inst.ADDI(6, 0, 0b10111110), # 6 Inst.SB(5, 6, 0x6), Inst.ADDI(6, 0, 0b11100000), # 7 Inst.SB(5, 6, 0x7), Inst.ADDI(6, 0, 0b11111110), # 8 Inst.SB(5, 6, 0x8), Inst.ADDI(6, 0, 0b11110110), # 9 Inst.SB(5, 6, 0x9), # Main Inst.LUI(6, 0x04000000), Inst.ADD(7, 0, 0), # x7 = 0 (counter) ’loop’, Inst.ADD(8, 7, 5), # address of memory[x7] Inst.LBU(9, 8, 0), # x9 = memory[x7]
from inst import Inst, asm, print_asm, print_ihex
program = [
Inst.LUI(5, 0x04000000), # r5 に7 セグのアドレスを代入
Inst.ADDI(10, 0, 0x60), # セグ「1」のパタンをr10 に代入
Inst.SB(5, 10, 0x00), # r5[0] = 0x60 (7 セグのアドレスに0x60 をストア)
Inst.JAL(0, -4 * 1) # 1 命令前に無条件分岐
]
r = asm(program)
print_asm(r)
print()
print_ihex(r)
# 0~9をループするカウンタ
## わかっているクソ仕様
## SBを一回使用した後にADDIを実行すると機能しない。
## これを回避するためにはダミーのSBが必要。
from inst import Inst, asm, print_asm, print_ihex
program = [
# Store 7seg led patterns
Inst.LUI(5, 0x10001000), # memory = 0x10001000
Inst.ADDI(6, 0, 0b11111100), # 7seg: 0
Inst.SB(5, 6, 0x0),
Inst.SB(5, 6, 0x1), #dummySB
Inst.ADDI(6, 0, 0b01100000), # 1
Inst.SB(5, 6, 0x1),
Inst.SB(5, 6, 0x2), #dummySB
Inst.ADDI(6, 0, 0b11011010), # 2
Inst.SB(5, 6, 0x2),
Inst.SB(5, 6, 0x3), #dummySB
Inst.ADDI(6, 0, 0b11110010), # 3
Inst.SB(5, 6, 0x3),
Inst.SB(5, 6, 0x4), #dummySB
Inst.ADDI(6, 0, 0b01100110), # 4
Inst.SB(5, 6, 0x4),
Inst.SB(5, 6, 0x5), #dummySB
Inst.ADDI(6, 0, 0b10110110), # 5
Inst.SB(5, 6, 0x5),
Inst.SB(5, 6, 0x6), #dummySB
Inst.ADDI(6, 0, 0b10111110), # 6
Inst.SB(5, 6, 0x6),
Inst.SB(5, 6, 0x7), #dummySB
from inst import Inst, asm, print_asm, print_ihex
rd = []
for i in range(50):
rd.append(i)
rs = []
for i in range(50):
rs.append(i)
seg_pattern = [0xFC,0x60,0xDA,0xF2,0x66,0xB6,0xBE,0xE0,0xFE,0xF6]
program = [
Inst.LUI(5,0x10001000),
]
for i in range(10):
program.append(Inst.ADDI(rd[6],rs[0],seg_pattern[i]))
program.append(Inst.SB(rd[5],rs[6],i))
program_main = [
Inst.LUI(rd[6], 0x04000000),
Inst.ADD(rd[7],rs[0],rs[0]),
Inst.LW(rd[10], rs[6], 0x48),
'mainloop',
Inst.ADD(rd[8],rs[7],rs[5]),
Inst.ANDI(rd[11],rs[10],0x01),
Inst.LBEQ(rd[11],0,'dontpush'),
'push',
Inst.LBU(rd[9],rs[8],0),
from inst import Inst, asm, print_asm, print_ihex
program = [
Inst.LUI(5, 0x04000000),
Inst.ADDI(6, 0, 0xFF),
Inst.LW(10, 5, 0x48),
Inst.ANDI(11, 10, 0x01),
Inst.BEQ(11, 0, 0x08),
Inst.SB(5, 6, 0x000),
Inst.JAL(0, 4),
Inst.SB(5, 0, 0x000),
Inst.JAL(0, -28)
]
r = asm(program)
print_asm(r)
print()
print_ihex(r)