Files
lowobservable.coax/pycoax/examples/20_char_map.py
Andrew Kay fc2f1e21dc x
2026-02-08 14:36:22 -06:00

65 lines
1.7 KiB
Python
Executable File

#!/usr/bin/env python
from common import open_example_serial_interface
from coax import Control, LoadAddressCounterHi, LoadAddressCounterLo, WriteData, LoadControlRegister
DIGIT_MAP = [0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85]
with open_example_serial_interface() as interface:
interface.execute(LoadControlRegister(Control(cursor_inhibit=True)))
interface.execute([LoadAddressCounterHi(0), LoadAddressCounterLo(80)])
buffer = b'\x00' * 4
# Header Row
for lo in range(16):
buffer += bytes([0x2f, DIGIT_MAP[lo]]) + (b'\x00' * 2)
buffer += b'\x00' * 12
# Rows
for hi in range(16):
buffer += bytes([DIGIT_MAP[hi], 0x2f]) + (b'\x00' * 2)
for lo in range(16):
if hi < 12:
buffer += bytes([0x00, (hi << 4) | lo, 0xc0, 0x00])
else:
buffer += bytes([(hi << 4) | lo, 0x32, 0xc0, 0x00])
buffer += b'\x00' * 12
buffer += b'\x00' * 560
interface.execute(WriteData(buffer))
# Status Line
interface.execute([LoadAddressCounterHi(7), LoadAddressCounterLo(48)])
buffer = b''
for hi in range(12, 16):
buffer += bytes([DIGIT_MAP[hi]]) + (b'\x00' * 15)
buffer += b'\x00' * 16
for hi in range(12, 16):
for lo in range(0, 16):
buffer += bytes([DIGIT_MAP[lo]])
interface.execute(WriteData(buffer))
interface.execute([LoadAddressCounterHi(0), LoadAddressCounterLo(0)])
buffer = bytes(range(0xc0, 0xff + 1))
interface.execute(WriteData(buffer))
print('xxx')
interface.execute([LoadAddressCounterHi(0), LoadAddressCounterLo(79)])
interface.execute(WriteData(bytes([0xff])))