if signal in IN_OUT_LINES:
byte = byte & IN_OUT_LINES[signal]
ROM.write(address, byte)
ROM.init()
if CLEAR:
# Clear the ROM (Fill it with HLTs)
if ROM_NUM == 0:
byte = CTRL_LINES["HLT"]
# Invert active low signals (ALU_OUT, HLT, NXT)
byte = byte ^ 0b11100000
ROM.fill(byte)
else:
# All 1s is no IN and not OUT
ROM.fill(0xff)
if WRITE_FETCH_CYCLES:
write_fetch_cycles()
file = open("intsructions-micro-steps.txt", "r")
instruction_line = clean_line(file.readline(), file)
micro_step_line = clean_line(file.readline(), file)
# If both lines are not empty
while instruction_line and micro_step_line:
# print_latex(instruction_line, micro_step_line)
"PUSH a": 0xa2,
"PUSH w": 0xa6,
"PUSH PC+3": 0xa7,
"POP A": 0xa8,
"POP PC": 0xae,
}
assert len(
sys.argv
) > 1, "You have to specify a file to write to memory as an argument"
file = open(sys.argv[1], "r")
ROM.init()
if CLEAR:
ROM.fill(0xff)
address = 0
key_points = {}
placeholders = {}
for line in file:
line = line.strip()
# Skip empty line and lines with only whitespaces
if not line:
continue
if line.endswith(":"):
line = line[:-1]
key_points[line] = address