6502/py65
1
0
Fork 0
mirror of https://github.com/mnaberez/py65.git synced 2025-08-07 07:29:02 +00:00
Code Issues Projects Releases Wiki Activity

Renamed getch() to getch_noblock(). It now returns a string with the character instead of the ordinal value.

Browse Source
This commit is contained in:
Mike Naberezny
2009-08-18 22:19:05 -07:00
parent b063782906
commit bd1aae66e3
2 changed files with 24 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
src/py65/monitor.py
View File

@@ -11,7 +11,7 @@ from py65.devices.mpu65c02 import MPU as CMOS65C02
from py65.disassembler import Disassembler from py65.disassembler import Disassembler
from py65.assembler import Assembler from py65.assembler import Assembler
from py65.utils.addressing import AddressParser from py65.utils.addressing import AddressParser
from py65.utils.console import getch from py65.utils.console import getch_noblock
from py65.utils.conversions import itoa from py65.utils.conversions import itoa
from py65.memory import ObservableMemory from py65.memory import ObservableMemory
@@ -92,7 +92,12 @@ class Monitor(cmd.Cmd):
self.stdout.flush() self.stdout.flush()
def getc(address): def getc(address):
return getch(self.stdin) char = getch_noblock(self.stdin)
if char:
byte = ord(char)
else:
byte = 0
return byte
m = ObservableMemory() m = ObservableMemory()
m.subscribe_to_write([0xF001], putc) m.subscribe_to_write([0xF001], putc)

32
src/py65/utils/console.py
View File

@@ -3,15 +3,15 @@ import sys
if sys.platform[:3] == "win": if sys.platform[:3] == "win":
import msvcrt import msvcrt
def getch(stdin): def getch_noblock(stdin):
""" Performs a nonblocking read of one byte from the Windows """ Performs a nonblocking read of one character from the Windows
console and returns its ordinal value. The stdin argument console and returns it. The stdin argument is for function
is for function signature compatibility and is ignored. If signature compatibility and is ignored. If no character is
no byte is available, 0 is returned. available, an empty string is returned.
""" """
if msvcrt.kbhit(): if msvcrt.kbhit():
return ord(msvcrt.getch()) return msvcrt.getch()
return 0 return ''
else: else:
import select import select
@@ -19,9 +19,10 @@ else:
import termios import termios
import fcntl import fcntl
def getch(stdin): def getch_noblock(stdin):
""" Performs a nonblocking read of one byte from stdin and returns """ Performs a nonblocking read of one character from stdin
its ordinal value. If no byte is available, 0 is returned. returns it. If no character is available, an empty string
is returned.
""" """
fd = stdin.fileno() fd = stdin.fileno()
@@ -38,11 +39,12 @@ else:
byte = 0 byte = 0
r, w, e = select.select([fd], [], [], 0.1) r, w, e = select.select([fd], [], [], 0.1)
if r: if r:
c = stdin.read(1) char = stdin.read(1)
byte = ord(c) if char == "\n":
if byte == 0x0a: char = "\r"
byte = 0x0d else:
char = ''
finally: finally:
termios.tcsetattr(fd, termios.TCSAFLUSH, oldterm) termios.tcsetattr(fd, termios.TCSAFLUSH, oldterm)
fcntl.fcntl(fd, fcntl.F_SETFL, oldflags) fcntl.fcntl(fd, fcntl.F_SETFL, oldflags)
return byte return char