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Merge pull request #2844 from picocomputer/master

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Support for RP6502 Version 0.14
This commit is contained in:
Bob Andrews
2025-11-03 13:39:25 +01:00
committed by GitHub
parent 083f89a9ca 4cb40a4155
commit f54780cfbc
48 changed files with 456 additions and 274 deletions
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93
include/rp6502.h
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@@ -47,7 +47,7 @@ struct __RP6502
unsigned char step1;
unsigned int addr1;
unsigned char xstack;
unsigned int errno;
unsigned int errno_;
unsigned char op;
unsigned char irq;
const unsigned char spin;
@@ -86,20 +86,16 @@ void __fastcall__ ria_set_ax (unsigned int ax);
int __fastcall__ ria_call_int (unsigned char op);
long __fastcall__ ria_call_long (unsigned char op);
/* These run _mappederrno() on error */
int __fastcall__ ria_call_int_errno (unsigned char op);
long __fastcall__ ria_call_long_errno (unsigned char op);
/* OS operation numbers */
#define RIA_OP_EXIT 0xFF
#define RIA_OP_ZXSTACK 0x00
#define RIA_OP_XREG 0x01
#define RIA_OP_PHI2 0x02
#define RIA_OP_CODEPAGE 0x03
#define RIA_OP_CODE_PAGE 0x03
#define RIA_OP_LRAND 0x04
#define RIA_OP_STDIN_OPT 0x05
#define RIA_OP_ERRNO_OPT 0x06
#define RIA_OP_CLOCK 0x0F
#define RIA_OP_CLOCK_GETRES 0x10
#define RIA_OP_CLOCK_GETTIME 0x11
@@ -112,27 +108,78 @@ long __fastcall__ ria_call_long_errno (unsigned char op);
#define RIA_OP_WRITE_XSTACK 0x18
#define RIA_OP_WRITE_XRAM 0x19
#define RIA_OP_LSEEK 0x1A
#define RIA_OP_LSEEK_CC65 0x1A
#define RIA_OP_UNLINK 0x1B
#define RIA_OP_RENAME 0x1C
#define RIA_OP_LSEEK_LLVM 0x1D
#define RIA_OP_SYNCFS 0x1E
#define RIA_OP_STAT 0x1F
#define RIA_OP_OPENDIR 0x20
#define RIA_OP_READDIR 0x21
#define RIA_OP_CLOSEDIR 0x22
#define RIA_OP_TELLDIR 0x23
#define RIA_OP_SEEKDIR 0x24
#define RIA_OP_REWINDDIR 0x25
#define RIA_OP_CHMOD 0x26
#define RIA_OP_UTIME 0x27
#define RIA_OP_MKDIR 0x28
#define RIA_OP_CHDIR 0x29
#define RIA_OP_CHDRIVE 0x2A
#define RIA_OP_GETCWD 0x2B
#define RIA_OP_SETLABEL 0x2C
#define RIA_OP_GETLABEL 0x2D
#define RIA_OP_GETFREE 0x2E
/* C API for the operating system. */
typedef struct {
unsigned long fsize;
unsigned fdate;
unsigned ftime;
unsigned crdate;
unsigned crtime;
unsigned char fattrib;
char altname[12 + 1];
char fname[255 + 1];
} f_stat_t;
int __cdecl__ xregn (char device, char channel, unsigned char address, unsigned count,
...);
int __cdecl__ xreg (char device, char channel, unsigned char address, ...);
int phi2 (void);
int codepage (void);
long lrand (void);
int __fastcall__ phi2 (void);
int __fastcall__ code_page (int);
long __fastcall__ lrand (void);
int __fastcall__ stdin_opt (unsigned long ctrl_bits, unsigned char str_length);
int __fastcall__ read_xstack (void* buf, unsigned count, int fildes);
int __fastcall__ read_xram (unsigned buf, unsigned count, int fildes);
int __fastcall__ write_xstack (const void* buf, unsigned count, int fildes);
int __fastcall__ write_xram (unsigned buf, unsigned count, int fildes);
long __fastcall__ f_lseek (long offset, int whence, int fildes);
int __fastcall__ f_stat (const char* path, f_stat_t* dirent);
int __fastcall__ f_opendir (const char* name);
int __fastcall__ f_readdir (f_stat_t* dirent, int dirdes);
int __fastcall__ f_closedir (int dirdes);
long __fastcall__ f_telldir (int dirdes);
int __fastcall__ f_seekdir (long offs, int dirdes);
int __fastcall__ f_rewinddir (int dirdes);
int __fastcall__ f_chmod (const char* path, unsigned char attr, unsigned char mask);
int __fastcall__ f_utime (const char* path, unsigned fdate, unsigned ftime, unsigned crdate, unsigned crtime);
int __fastcall__ f_mkdir (const char* name);
int __fastcall__ f_chdrive (const char* name);
int __fastcall__ f_getcwd (char* name, int size);
int __fastcall__ f_setlabel (const char* name);
int __fastcall__ f_getlabel (const char* path, char* label);
int __fastcall__ f_getfree (const char* name, unsigned long* free, unsigned long* total);
/* Time zone hack */
void ria_tzset (unsigned long time);
/* XREG location helpers */
#define xreg_ria_keyboard(...) xreg(0, 0, 0, __VA_ARGS__)
#define xreg_ria_mouse(...) xreg(0, 0, 1, __VA_ARGS__)
#define xreg_ria_gamepad(...) xreg(0, 0, 2, __VA_ARGS__)
#define xreg_vga_canvas(...) xreg(1, 0, 0, __VA_ARGS__)
#define xreg_vga_mode(...) xreg(1, 0, 1, __VA_ARGS__)
@@ -237,30 +284,4 @@ typedef struct
unsigned char has_opacity_metadata; // bool
} vga_mode4_asprite_t;
/* Values in __oserror are the union of these FatFs errors and errno.h */
typedef enum
{
FR_OK = 32, /* Succeeded */
FR_DISK_ERR, /* A hard error occurred in the low level disk I/O layer */
FR_INT_ERR, /* Assertion failed */
FR_NOT_READY, /* The physical drive cannot work */
FR_NO_FILE, /* Could not find the file */
FR_NO_PATH, /* Could not find the path */
FR_INVALID_NAME, /* The path name format is invalid */
FR_DENIED, /* Access denied due to prohibited access or directory full */
FR_EXIST, /* Access denied due to prohibited access */
FR_INVALID_OBJECT, /* The file/directory object is invalid */
FR_WRITE_PROTECTED, /* The physical drive is write protected */
FR_INVALID_DRIVE, /* The logical drive number is invalid */
FR_NOT_ENABLED, /* The volume has no work area */
FR_NO_FILESYSTEM, /* There is no valid FAT volume */
FR_MKFS_ABORTED, /* The f_mkfs() aborted due to any problem */
FR_TIMEOUT, /* Could not get a grant to access the volume within defined period */
FR_LOCKED, /* The operation is rejected according to the file sharing policy */
FR_NOT_ENOUGH_CORE, /* LFN working buffer could not be allocated */
FR_TOO_MANY_OPEN_FILES, /* Number of open files > FF_FS_LOCK */
FR_INVALID_PARAMETER /* Given parameter is invalid */
} FRESULT;
#endif /* _RP6502_H */

4
include/unistd.h
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@@ -77,6 +77,7 @@ extern int optind, opterr, optopt;
int __fastcall__ write (int fd, const void* buf, unsigned count);
int __fastcall__ read (int fd, void* buf, unsigned count);
off_t __fastcall__ lseek (int fd, off_t offset, int whence);
int __fastcall__ syncfs (int fd);
int __fastcall__ unlink (const char* name); /* Same as remove() */
/* Directories */
@@ -98,6 +99,3 @@ int __fastcall__ exec (const char* progname, const char* cmdline);
/* End of unistd.h */
#endif