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ap2_dsk: only save 40 tracks if the disk originally had that many [R. Belmont]

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This commit is contained in:
arbee 2019-06-09 12:47:45 -04:00
parent 8e0b5daec7
commit a610524c5f
2 changed files with 8 additions and 3 deletions
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9
src/lib/formats/ap2_dsk.cpp
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@ -606,10 +606,13 @@ const floppy_image_format_t::desc_e a2_16sect_format::mac_gcr[] = {
bool a2_16sect_format::load(io_generic *io, uint32_t form_factor, floppy_image *image)
{
uint64_t size = io_generic_size(io);
m_prodos_order = false;
m_tracks = (size == (40 * 16 * 256)) ? 40 : 35;
int fpos = 0;
for(int track=0; track < APPLE2_TRACK_COUNT; track++) {
for(int track=0; track < m_tracks; track++) {
std::vector<uint32_t> track_data;
uint8_t sector_data[256*16];
static const unsigned char pascal_block1[4] = { 0x08, 0xa5, 0x0f, 0x29 };
@ -781,7 +784,7 @@ bool a2_16sect_format::save(io_generic *io, floppy_image *image)
// data postamble is good
#define DATAPOST 16
for (auto & elem : visualgrid) {
for (int j = 0; j < APPLE2_TRACK_COUNT; j++) {
for (int j = 0; j < m_tracks; j++) {
elem[j] = 0;
}
}
@ -791,7 +794,7 @@ bool a2_16sect_format::save(io_generic *io, floppy_image *image)
int pos_data = 0;
for(int track=0; track < APPLE2_TRACK_COUNT; track++) {
for(int track=0; track < m_tracks; track++) {
uint8_t sectdata[(256)*16];
memset(sectdata, 0, sizeof(sectdata));
int nsect = 16;

2
src/lib/formats/ap2_dsk.h
View File

@ -57,6 +57,8 @@ private:
void update_chk(const uint8_t *data, int size, uint32_t &chk);
bool m_prodos_order;
int m_tracks;
};
extern const floppy_format_type FLOPPY_A216S_FORMAT;