def _mulf16(ins):
''' Multiplies 2 32bit (16.16) fixed point numbers. The result is pushed onto the stack.
'''
op1, op2 = tuple(ins.quad[2:])
if _f_ops(op1, op2) is not None:
op1, op2 = _f_ops(op1, op2)
if op2 == 1: # A * 1 => A
output = _f16_oper(op1)
output.append('push de')
output.append('push hl')
return output
if op2 == -1:
return _neg32(ins)
output = _f16_oper(op1)
if op2 == 0:
output.append('ld hl, 0')
output.append('ld e, h')
output.append('ld d, l')
output.append('push de')
output.append('push hl')
return output
output = _f16_oper(op1, str(op2))
output.append('call __MULF16')
output.append('push de')
output.append('push hl')
REQUIRES.add('mulf16.asm')
return output
def _mulf16(ins):
''' Multiplies 2 32bit (16.16) fixed point numbers. The result is pushed onto the stack.
'''
op1, op2 = tuple(ins.quad[2:])
if _f_ops(op1, op2) is not None:
op1, op2 = _f_ops(op1, op2)
if op2 == 1: # A * 1 => A
output = _f16_oper(op1)
output.append('push de')
output.append('push hl')
return output
if op2 == -1:
return _neg32(ins)
output = _f16_oper(op1)
if op2 == 0:
output.append('ld hl, 0')
output.append('ld e, h')
output.append('ld d, l')
output.append('push de')
output.append('push hl')
return output
output = _f16_oper(op1, str(op2))
output.append('call __MULF16')
output.append('push de')
output.append('push hl')
REQUIRES.add('mulf16.asm')
return output
def _mulf(ins):
''' Multiplie 2 float values. The result is pushed onto the stack.
'''
op1, op2 = tuple(ins.quad[2:])
if _f_ops(op1, op2) is not None:
opa, opb = _f_ops(op1, op2)
if opb == 1: # A * 1 => A
output = _float_oper(opa)
output.extend(_fpush())
return output
output = _float_oper(op1, op2)
output.append('call __MULF')
output.extend(_fpush())
REQUIRES.add('mulf.asm')
return output
def _addf(ins):
''' Adds 2 float values. The result is pushed onto the stack.
'''
op1, op2 = tuple(ins.quad[2:])
if _f_ops(op1, op2) is not None:
opa, opb = _f_ops(op1, op2)
if opb == 0: # A + 0 => A
output = _float_oper(opa)
output.extend(_fpush())
return output
output = _float_oper(op1, op2)
output.append('call __ADDF')
output.extend(_fpush())
REQUIRES.add('addf.asm')
return output
