![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to st.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [HATARI the Atari ST Emulator] / hatari / src|
Return to st.c CVS log | Up to [HATARI the Atari ST Emulator] / hatari / src |
1.1 root 1: /*
1.1.1.3 root 2: Hatari - st.c
1.1 root 3:
1.1.1.11 root 4: This file is distributed under the GNU General Public License, version 2
5: or at your option any later version. Read the file gpl.txt for details.
1.1.1.3 root 6:
1.1.1.6 root 7: ST disk image support.
1.1 root 8:
1.1.1.6 root 9: The file format of the .ST image files is simplicity itself. They are just
10: straight images of the disk in question, with sectors stored in the expected
11: logical order.
12: So, on a sector basis the images run from sector 0 (bootsector) to however
13: many sectors are on the disk. On a track basis the layout is the same as for
14: MSA files but obviously the data is raw, no track header or compression or
15: anything like that.
1.1 root 16:
17: TRACK 0, SIDE 0
18: TRACK 0, SIDE 1
19: TRACK 1, SIDE 0
20: TRACK 1, SIDE 1
21: TRACK 2, SIDE 0
22: TRACK 2, SIDE 1
23: */
1.1.1.9 root 24: const char ST_fileid[] = "Hatari st.c : " __DATE__ " " __TIME__;
1.1.1.6 root 25:
26: #include "main.h"
27: #include "file.h"
1.1.1.12! root 28: #include "floppy.h"
1.1.1.6 root 29: #include "st.h"
30:
31: #define SAVE_TO_ST_IMAGES
32:
33:
34: #if defined(__riscos)
35: /* The following two lines are required on RISC OS for preventing it from
36: * interfering with the .ST image files: */
37: #include <unixlib/local.h>
38: int __feature_imagefs_is_file = 1;
39: #endif
1.1 root 40:
41:
1.1.1.2 root 42: /*-----------------------------------------------------------------------*/
1.1.1.6 root 43: /**
1.1.1.9 root 44: * Does filename end with a .ST extension? If so, return true.
1.1.1.6 root 45: */
1.1.1.10 root 46: bool ST_FileNameIsST(const char *pszFileName, bool bAllowGZ)
1.1 root 47: {
1.1.1.3 root 48: return(File_DoesFileExtensionMatch(pszFileName,".st")
49: || (bAllowGZ && File_DoesFileExtensionMatch(pszFileName,".st.gz")));
50: }
51:
52:
53: /*-----------------------------------------------------------------------*/
1.1.1.6 root 54: /**
55: * Load .ST file into memory, set number of bytes loaded and return a pointer
56: * to the buffer.
57: */
1.1.1.12! root 58: Uint8 *ST_ReadDisk(int Drive, const char *pszFileName, long *pImageSize, int *pImageType)
1.1.1.3 root 59: {
1.1.1.6 root 60: Uint8 *pStFile;
1.1.1.3 root 61:
62: *pImageSize = 0;
1.1 root 63:
1.1.1.3 root 64: /* Just load directly a buffer, and set ImageSize accordingly */
1.1.1.6 root 65: pStFile = File_Read(pszFileName, pImageSize, NULL);
1.1.1.3 root 66: if (!pStFile)
1.1.1.12! root 67: {
1.1.1.3 root 68: *pImageSize = 0;
1.1.1.12! root 69: return NULL;
! 70: }
1.1 root 71:
1.1.1.12! root 72: *pImageType = FLOPPY_IMAGE_TYPE_ST;
1.1.1.6 root 73: return pStFile;
1.1 root 74: }
75:
1.1.1.2 root 76:
77: /*-----------------------------------------------------------------------*/
1.1.1.6 root 78: /**
1.1.1.9 root 79: * Save .ST file from memory buffer. Returns true is all OK.
1.1.1.6 root 80: */
1.1.1.12! root 81: bool ST_WriteDisk(int Drive, const char *pszFileName, Uint8 *pBuffer, int ImageSize)
1.1 root 82: {
83: #ifdef SAVE_TO_ST_IMAGES
84:
1.1.1.3 root 85: /* Just save buffer directly to file */
1.1.1.9 root 86: return File_Save(pszFileName, pBuffer, ImageSize, false);
1.1 root 87:
1.1.1.2 root 88: #else /*SAVE_TO_ST_IMAGES*/
1.1 root 89:
1.1.1.3 root 90: /* Oops, cannot save */
1.1.1.9 root 91: return false;
1.1 root 92:
1.1.1.2 root 93: #endif /*SAVE_TO_ST_IMAGES*/
1.1 root 94: }
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.