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(MESS) compclr2: Added read-only support for Compucolor Virtual Floppy Disk Images. [Curt Coder]

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This commit is contained in:
Curt Coder 2014-01-18 22:06:40 +00:00
parent be4c07882a
commit 3076acd9b8
2 changed files with 26 additions and 26 deletions
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50
src/lib/formats/ccvf_dsk.c
View File

@ -8,14 +8,6 @@
*********************************************************************/
/*
TODO:
- parse ascii hex into binary on load()
*/
#include "emu.h"
#include "formats/ccvf_dsk.h"
@ -46,7 +38,7 @@ const char *ccvf_format::extensions() const
const ccvf_format::format ccvf_format::file_formats[] = {
{
floppy_image::FF_35, floppy_image::SSSD,
floppy_image::FF_525, floppy_image::SSSD,
(1./(9600*8))*1000000000, 10, 41, 1, 128, {}, 0, { 0,5,1,6,2,7,3,8,4,9 }
},
{}
@ -54,14 +46,13 @@ const ccvf_format::format ccvf_format::file_formats[] = {
int ccvf_format::identify(io_generic *io, UINT32 form_factor)
{
/* char h[36];
char h[36];
io_generic_read(io, h, 0, 36);
if(!memcmp(h, "Compucolor Virtual Floppy Disk Image", 36))
return 100;
return 0;*/
return 100;
return 0;
}
floppy_image_format_t::desc_e* ccvf_format::get_desc_8n1(const format &f, int &current_size)
@ -102,6 +93,28 @@ bool ccvf_format::load(io_generic *io, UINT32 form_factor, floppy_image *image)
UINT8 *img = global_alloc_array(UINT8, size);
io_generic_read(io, img, 0, size);
astring ccvf = astring((const char *)img, size);
UINT8 *bytes = global_alloc_array(UINT8, 78720);
int start = 0, end = 0;
astring line;
offs_t byteoffs = 0;
char hex[3] = {0};
do {
end = ccvf.chr(start, 10);
line.cpysubstr(ccvf, start, end);
if (line.find(0, "Compucolor Virtual Floppy Disk Image") && line.find(0, "Label") && line.find(0, "Track")) {
for (int byte = 0; byte < 32; byte++) {
if (byteoffs==78720) break;
hex[0]=line[byte * 2];
hex[1]=line[(byte * 2) + 1];
bytes[byteoffs++] = strtol(hex, NULL, 16);
}
}
start = end + 1;
} while (start > 0 && end != -1);
int pos = 0;
int total_size = 200000000/f.cell_size;
@ -111,7 +124,7 @@ bool ccvf_format::load(io_generic *io, UINT32 form_factor, floppy_image *image)
for (int i=0; i<1920 && pos<size; i++, pos++) {
for (int bit=0; bit<8; bit++) {
bit_w(buffer, offset++, BIT(img[pos], bit), f.cell_size);
bit_w(buffer, offset++, BIT(bytes[pos], bit), f.cell_size);
}
}
@ -132,17 +145,6 @@ bool ccvf_format::load(io_generic *io, UINT32 form_factor, floppy_image *image)
return true;
}
void ccvf_format::extract_sectors(floppy_image *image, const format &f, desc_s *sdesc, int track, int head)
{
// TODO
}
bool ccvf_format::save(io_generic *io, floppy_image *image)
{
// TODO
return false;
}
bool ccvf_format::supports_save() const
{
return false;

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

@ -38,14 +38,12 @@ public:
virtual int identify(io_generic *io, UINT32 form_factor);
virtual bool load(io_generic *io, UINT32 form_factor, floppy_image *image);
virtual bool save(io_generic *io, floppy_image *image);
virtual bool supports_save() const;
protected:
const format *formats;
floppy_image_format_t::desc_e* get_desc_8n1(const format &f, int &current_size);
void extract_sectors(floppy_image *image, const format &f, desc_s *sdesc, int track, int head);
static const format file_formats[];
};