def number(self, number):
''' Returns a floating point (or integer) number for a BASIC
program. That is: It's ASCII representation followed by 5 bytes
in floating point or integer format (if number in (-65535 + 65535)
'''
s = [ord(x) for x in str(number)] + [14] # Bytes of string representation in bytes
if number == int(number) and abs(number) < 65536: # integer form?
sign = 0xFF if number < 0 else 0
b = [0, sign] + self.numberLH(number) + [0]
else: # Float form
(C, ED, LH) = fp.immediate_float(number)
C = C[:2] # Remove 'h'
ED = ED[:4] # Remove 'h'
LH = LH[:4] # Remove 'h'
b = [int(C, 16)] # Convert to BASE 10
b += [int(ED[:2], 16), int(ED[2:], 16)]
b += [int(LH[:2], 16), int(LH[2:], 16)]
return s + b
def number(self, number):
''' Returns a floating point (or integer) number for a BASIC
program. That is: It's ASCII representation followed by 5 bytes
in floating point or integer format (if number in (-65535 + 65535)
'''
s = [ord(x) for x in str(number)
] + [14] # Bytes of string representation in bytes
if number == int(number) and abs(number) < 65536: # integer form?
sign = 0xFF if number < 0 else 0
b = [0, sign] + self.numberLH(number) + [0]
else: # Float form
(C, ED, LH) = fp.immediate_float(number)
C = C[:2] # Remove 'h'
ED = ED[:4] # Remove 'h'
LH = LH[:4] # Remove 'h'
b = [int(C, 16)] # Convert to BASE 10
b += [int(ED[:2], 16), int(ED[2:], 16)]
b += [int(LH[:2], 16), int(LH[2:], 16)]
return s + b
def _float(op):
''' Returns a floating point operand converted to 5 byte (40 bits) unsigned int.
The result is returned in a tuple (C, DE, HL) => Exp, mantissa =>High16 (Int part), Low16 (Decimal part)
'''
return fp.immediate_float(float(op))
