Apple-2-SW
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ProDOS-Utils
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Added clock driver support for legacy ProDOS and 2.5+

This commit is contained in:
Bobbi Webber-Manners 2020-06-11 14:40:05 -04:00
parent 3ffa0e7ea5
commit a8aba2032b
1 changed files with 49 additions and 9 deletions
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58
veserver.py
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@ -10,6 +10,7 @@
#
import socket
import time
IP = "::"
PORT = 6502
@ -17,10 +18,37 @@ FILE1 = "virtual-1.po"
FILE2 = "virtual-2.po"
BLKSZ = 512
GRN = '\033[92m'
RED = '\033[91m'
ENDC = '\033[0m'
pd25 = True # Set to True for ProDOS 2.5+ clock driver, False otherwise
packet = 1
# Append byte b to list l
# Return updated checksum
#
# Get date/time bytes
#
def getDateTimeBytes(pd25):
t = time.localtime()
dt = []
if pd25:
# ProDOS 2.5+
word1 = 2048 * t.tm_mday + 64 * t.tm_hour + t.tm_min
word2 = 4096 * (t.tm_mon + 1) + t.tm_year
else:
# Legacy ProDOS <2.5
word1 = t.tm_mday + 32 * t.tm_mon + 512 * (t.tm_year - 2000)
word2 = t.tm_min + 256 * t.tm_hour
dt.append(word1 & 0xff)
dt.append((word1 & 0xff00) >> 8)
dt.append(word2 & 0xff)
dt.append((word2 & 0xff00) >> 8)
return dt
#
# Append byte b to list l, return updated checksum
#
def appendbyte(l, b, csin):
l.append(b)
return csin ^ b
@ -30,6 +58,8 @@ def appendbyte(l, b, csin):
#
def read3(sock, addr, drive, d):
global packet
global pd25
dt = getDateTimeBytes(pd25)
l = []
appendbyte(l, packet & 0xff, 0) # Packet number
packet += 1
@ -37,19 +67,21 @@ def read3(sock, addr, drive, d):
cs = appendbyte(l, d[1], cs) # 0x03 or 0x05
cs = appendbyte(l, d[2], cs) # Block num LSB
cs = appendbyte(l, d[3], cs) # Block num MSB
cs = appendbyte(l, 0, cs) # TODO: Date/time
cs = appendbyte(l, 0, cs) # TODO: Date/time
cs = appendbyte(l, 0, cs) # TODO: Date/time
cs = appendbyte(l, 0, cs) # TODO: Date/time
cs = appendbyte(l, dt[0], cs) # Time of day LSB
cs = appendbyte(l, dt[1], cs) # Time of day MSB
cs = appendbyte(l, dt[2], cs) # Date LSB
cs = appendbyte(l, dt[3], cs) # Date MSB
appendbyte(l, cs, cs) # Checksum
blknum = d[2] + 256 * d[3]
print('R{0:05d} '.format(blknum), end='', flush=True)
print('{0}{1:05d}{2} '.format(GRN, blknum, ENDC), end='', flush=True)
b = blknum * BLKSZ
if d[1] == 0x03:
file = FILE1
else:
file = FILE2
with open(file, 'rb') as f:
f.seek(b)
block = f.read(BLKSZ)
@ -77,13 +109,14 @@ def write(sock, addr, drive, d):
cs = appendbyte(l, d[517], cs) # Block num MSB
blknum = d[2] + 256 * d[3]
print('W{0:05d} '.format(blknum), end='', flush=True)
print('{0}{1:05d}{2} '.format(RED, blknum, ENDC), end='', flush=True)
b = blknum * BLKSZ
if d[1] == 0x02:
file = FILE1
else:
file = FILE2
with open(file, 'r+b') as f:
f.seek(b)
for i in range (0, BLKSZ):
@ -93,9 +126,16 @@ def write(sock, addr, drive, d):
#print('Sent {} bytes to {}'.format(b, addr))
print("VEServer v0.5 alpha")
if pd25:
print("ProDOS 2.5+ Clock Driver")
else:
print("Legacy ProDOS Clock Driver")
with socket.socket(socket.AF_INET6, socket.SOCK_DGRAM) as s:
s.bind((IP, PORT))
print("veserver - listening on UDP port ", PORT)
print("veserver - listening on UDP port {}".format(PORT))
while True:
data, address = s.recvfrom(1024)
#print('Received {} bytes from {}'.format(len(data), address))