Esempio n. 1
0
static int apf_cpf_handle_cassette(INT16 *buffer, const UINT8 *bytes)
{
    UINT32 sample_count = 0;
    UINT32 i;
    UINT8 cksm = 0;

    // silence
    sample_count += apf_put_samples(buffer, 0, 12000, 0);

    /* start */
    for (i=0; i<10000; i++)
        sample_count += apf_output_bit(buffer, sample_count, 1);

    sample_count += apf_output_bit(buffer, sample_count, 0);

    /* data */
    for (i=0; i<apf_image_size; i++)
    {
        cksm += bytes[i];
        sample_count += apf_output_byte(buffer, sample_count, bytes[i]);
    }

    /* checksum byte */
    sample_count += apf_output_byte(buffer, sample_count, cksm);

    return sample_count;
}
Esempio n. 2
0
static int apf_cpf_handle_cassette(int16_t *buffer, const uint8_t *bytes)
{
	uint32_t sample_count = 0;
	uint32_t i;
	uint8_t cksm = 0;

	// silence
	sample_count += apf_put_samples(buffer, 0, 12000, 0);

	/* start */
	for (i=0; i<10000; i++)
		sample_count += apf_output_bit(buffer, sample_count, 1);

	sample_count += apf_output_bit(buffer, sample_count, 0);

	/* data */
	for (i=0; i<apf_image_size; i++)
	{
		cksm += bytes[i];
		sample_count += apf_output_byte(buffer, sample_count, bytes[i]);
	}

	/* checksum byte */
	sample_count += apf_output_byte(buffer, sample_count, cksm);

	return sample_count;
}