-/* @(#) pf_io.c 96/12/23 1.12 */\r
-/***************************************************************\r
-** I/O subsystem for PForth based on 'C'\r
-**\r
-** Author: Phil Burk\r
-** Copyright 1994 3DO, Phil Burk, Larry Polansky, David Rosenboom\r
-**\r
-** The pForth software code is dedicated to the public domain,\r
-** and any third party may reproduce, distribute and modify\r
-** the pForth software code or any derivative works thereof\r
-** without any compensation or license. The pForth software\r
-** code is provided on an "as is" basis without any warranty\r
-** of any kind, including, without limitation, the implied\r
-** warranties of merchantability and fitness for a particular\r
-** purpose and their equivalents under the laws of any jurisdiction.\r
-**\r
-****************************************************************\r
-** 941004 PLB Extracted IO calls from pforth_main.c\r
-***************************************************************/\r
-\r
-#include "pf_all.h"\r
-\r
-\r
-/***************************************************************\r
-** Initialize I/O system.\r
-*/\r
-void ioInit( void )\r
-{\r
- /* System dependant terminal initialization. */\r
- sdTerminalInit();\r
-}\r
-void ioTerm( void )\r
-{\r
- sdTerminalTerm();\r
-}\r
-\r
-/***************************************************************\r
-** Send single character to output stream.\r
-*/\r
-void ioEmit( char c )\r
-{\r
- cell_t Result;\r
- \r
- Result = sdTerminalOut(c);\r
- if( Result < 0 ) EXIT(1);\r
- \r
- if( gCurrentTask )\r
- {\r
- if(c == '\n')\r
- {\r
- gCurrentTask->td_OUT = 0;\r
- sdTerminalFlush();\r
- }\r
- else\r
- {\r
- gCurrentTask->td_OUT++;\r
- }\r
- }\r
-}\r
-\r
-/***************************************************************\r
-** Send an entire string..\r
-*/\r
-void ioType( const char *s, cell_t n )\r
-{\r
- cell_t i;\r
-\r
- for( i=0; i<n; i++)\r
- {\r
- ioEmit ( *s++ );\r
- }\r
-}\r
-\r
-/***************************************************************\r
-** Return single character from input device, always keyboard.\r
-*/\r
-cell_t ioKey( void )\r
-{\r
- cell_t c;\r
- sdEnableInput();\r
- c = sdTerminalIn();\r
- sdDisableInput();\r
- return c;\r
-}\r
-\r
-/**************************************************************\r
-** Receive line from keyboard.\r
-** Return number of characters enterred.\r
-*/\r
-#define SPACE (0x20)\r
-#define BACKSPACE (0x08)\r
-#define DELETE (0x7F)\r
-cell_t ioAccept( char *buffer, cell_t maxChars )\r
-{\r
- int c;\r
- int len;\r
- char *p;\r
-\r
-DBUGX(("ioAccept(0x%x, 0x%x)\n", buffer, len ));\r
- \r
- sdEnableInput();\r
-\r
- p = buffer;\r
- len = 0;\r
- while(len < maxChars)\r
- {\r
- c = sdTerminalIn();\r
- switch(c)\r
- {\r
- case '\r':\r
- case '\n':\r
- DBUGX(("EOL\n"));\r
- goto gotline;\r
- break;\r
- \r
- case BACKSPACE:\r
- case DELETE:\r
- if( len > 0 ) /* Don't go beyond beginning of line. */\r
- {\r
- EMIT(BACKSPACE);\r
- EMIT(' ');\r
- EMIT(BACKSPACE);\r
- p--;\r
- len--;\r
- }\r
- break;\r
- \r
- default:\r
- sdTerminalEcho( (char) c );\r
- *p++ = (char) c;\r
- len++;\r
- break;\r
- }\r
- \r
- }\r
-\r
-gotline:\r
- sdDisableInput();\r
- sdTerminalEcho( SPACE );\r
-\r
-/* NUL terminate line to simplify printing when debugging. */\r
- if( len < maxChars ) p[len] = '\0';\r
- \r
- return len;\r
-}\r
-\r
-#define UNIMPLEMENTED(name) { MSG(name); MSG("is unimplemented!\n"); }\r
-\r
-\r
-/***********************************************************************************/\r
-/*********** File I/O **************************************************************/\r
-/***********************************************************************************/\r
-#ifdef PF_NO_FILEIO\r
-\r
-/* Provide stubs for standard file I/O */\r
-\r
-FileStream *PF_STDIN;\r
-FileStream *PF_STDOUT;\r
-\r
-cell_t sdInputChar( FileStream *stream )\r
-{\r
- UNIMPLEMENTED("sdInputChar");\r
- TOUCH(stream);\r
- return -1;\r
-}\r
-\r
-FileStream *sdOpenFile( const char *FileName, const char *Mode )\r
-{\r
- UNIMPLEMENTED("sdOpenFile");\r
- TOUCH(FileName);\r
- TOUCH(Mode);\r
- return NULL;\r
-}\r
-cell_t sdFlushFile( FileStream * Stream )\r
-{\r
- TOUCH(Stream);\r
- return 0;\r
-}\r
-cell_t sdReadFile( void *ptr, cell_t Size, int32_t nItems, FileStream * Stream ) \r
-{ \r
- UNIMPLEMENTED("sdReadFile");\r
- TOUCH(ptr);\r
- TOUCH(Size);\r
- TOUCH(nItems);\r
- TOUCH(Stream);\r
- return 0; \r
-}\r
-cell_t sdWriteFile( void *ptr, cell_t Size, int32_t nItems, FileStream * Stream )\r
-{ \r
- UNIMPLEMENTED("sdWriteFile");\r
- TOUCH(ptr);\r
- TOUCH(Size);\r
- TOUCH(nItems);\r
- TOUCH(Stream);\r
- return 0; \r
-}\r
-cell_t sdSeekFile( FileStream * Stream, cell_t Position, int32_t Mode ) \r
-{ \r
- UNIMPLEMENTED("sdSeekFile");\r
- TOUCH(Stream);\r
- TOUCH(Position);\r
- TOUCH(Mode);\r
- return 0; \r
-}\r
-cell_t sdTellFile( FileStream * Stream ) \r
-{ \r
- UNIMPLEMENTED("sdTellFile");\r
- TOUCH(Stream);\r
- return 0; \r
-}\r
-cell_t sdCloseFile( FileStream * Stream ) \r
-{ \r
- UNIMPLEMENTED("sdCloseFile");\r
- TOUCH(Stream);\r
- return 0; \r
-}\r
-\r
-FileStream *sdDeleteFile( const char *FileName )\r
-{\r
- UNIMPLEMENTED("sdDeleteFile");\r
- TOUCH(FileName);\r
- return NULL;\r
-}\r
-#endif\r
-\r
+/* @(#) pf_io.c 96/12/23 1.12 */
+/***************************************************************
+** I/O subsystem for PForth based on 'C'
+**
+** Author: Phil Burk
+** Copyright 1994 3DO, Phil Burk, Larry Polansky, David Rosenboom
+**
+** Permission to use, copy, modify, and/or distribute this
+** software for any purpose with or without fee is hereby granted.
+**
+** THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
+** WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
+** WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
+** THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
+** CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
+** FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
+** CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+** OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+**
+****************************************************************
+** 941004 PLB Extracted IO calls from pforth_main.c
+***************************************************************/
+
+#include "pf_all.h"
+
+
+/***************************************************************
+** Initialize I/O system.
+*/
+void ioInit( void )
+{
+ /* System dependant terminal initialization. */
+ sdTerminalInit();
+}
+void ioTerm( void )
+{
+ sdTerminalTerm();
+}
+
+/***************************************************************
+** Send single character to output stream.
+*/
+void ioEmit( char c )
+{
+ cell_t Result;
+
+ Result = sdTerminalOut(c);
+ if( Result < 0 ) EXIT(1);
+
+ if( gCurrentTask )
+ {
+ if(c == '\n')
+ {
+ gCurrentTask->td_OUT = 0;
+ sdTerminalFlush();
+ }
+ else
+ {
+ gCurrentTask->td_OUT++;
+ }
+ }
+}
+
+/***************************************************************
+** Send an entire string..
+*/
+void ioType( const char *s, cell_t n )
+{
+ cell_t i;
+
+ for( i=0; i<n; i++)
+ {
+ ioEmit ( *s++ );
+ }
+}
+
+/***************************************************************
+** Return single character from input device, always keyboard.
+*/
+cell_t ioKey( void )
+{
+ cell_t c;
+ sdEnableInput();
+ c = sdTerminalIn();
+ sdDisableInput();
+ return c;
+}
+
+/**************************************************************
+** Receive line from keyboard.
+** Return number of characters enterred.
+*/
+#define SPACE (0x20)
+#define BACKSPACE (0x08)
+#define DELETE (0x7F)
+cell_t ioAccept( char *buffer, cell_t maxChars )
+{
+ int c;
+ int len;
+ char *p;
+
+DBUGX(("ioAccept(0x%x, 0x%x)\n", buffer, len ));
+
+ sdEnableInput();
+
+ p = buffer;
+ len = 0;
+ while(len < maxChars)
+ {
+ c = sdTerminalIn();
+ switch(c)
+ {
+ case '\r':
+ case '\n':
+ DBUGX(("EOL\n"));
+ goto gotline;
+ break;
+
+ case BACKSPACE:
+ case DELETE:
+ if( len > 0 ) /* Don't go beyond beginning of line. */
+ {
+ EMIT(BACKSPACE);
+ EMIT(' ');
+ EMIT(BACKSPACE);
+ p--;
+ len--;
+ }
+ break;
+
+ default:
+ sdTerminalEcho( (char) c );
+ *p++ = (char) c;
+ len++;
+ break;
+ }
+
+ }
+
+gotline:
+ sdDisableInput();
+ sdTerminalEcho( SPACE );
+
+/* NUL terminate line to simplify printing when debugging. */
+ if( len < maxChars ) p[len] = '\0';
+
+ return len;
+}
+
+#define UNIMPLEMENTED(name) { MSG(name); MSG("is unimplemented!\n"); }
+
+
+/***********************************************************************************/
+/*********** File I/O **************************************************************/
+/***********************************************************************************/
+#ifdef PF_NO_FILEIO
+
+/* Provide stubs for standard file I/O */
+
+FileStream *PF_STDIN;
+FileStream *PF_STDOUT;
+
+cell_t sdInputChar( FileStream *stream )
+{
+ UNIMPLEMENTED("sdInputChar");
+ TOUCH(stream);
+ return -1;
+}
+
+FileStream *sdOpenFile( const char *FileName, const char *Mode )
+{
+ UNIMPLEMENTED("sdOpenFile");
+ TOUCH(FileName);
+ TOUCH(Mode);
+ return NULL;
+}
+cell_t sdFlushFile( FileStream * Stream )
+{
+ TOUCH(Stream);
+ return 0;
+}
+cell_t sdReadFile( void *ptr, cell_t Size, int32_t nItems, FileStream * Stream )
+{
+ UNIMPLEMENTED("sdReadFile");
+ TOUCH(ptr);
+ TOUCH(Size);
+ TOUCH(nItems);
+ TOUCH(Stream);
+ return 0;
+}
+cell_t sdWriteFile( void *ptr, cell_t Size, int32_t nItems, FileStream * Stream )
+{
+ UNIMPLEMENTED("sdWriteFile");
+ TOUCH(ptr);
+ TOUCH(Size);
+ TOUCH(nItems);
+ TOUCH(Stream);
+ return 0;
+}
+cell_t sdSeekFile( FileStream * Stream, file_offset_t Position, int32_t Mode )
+{
+ UNIMPLEMENTED("sdSeekFile");
+ TOUCH(Stream);
+ TOUCH(Position);
+ TOUCH(Mode);
+ return 0;
+}
+file_offset_t sdTellFile( FileStream * Stream )
+{
+ UNIMPLEMENTED("sdTellFile");
+ TOUCH(Stream);
+ return 0;
+}
+cell_t sdCloseFile( FileStream * Stream )
+{
+ UNIMPLEMENTED("sdCloseFile");
+ TOUCH(Stream);
+ return 0;
+}
+
+cell_t sdDeleteFile( const char *FileName )
+{
+ UNIMPLEMENTED("sdDeleteFile");
+ TOUCH(FileName);
+ return -1;
+}
+
+cell_t sdRenameFile( const char *OldName, const char *NewName )
+{
+ UNIMPLEMENTED("sdRenameFile");
+ TOUCH(OldName);
+ TOUCH(NewName);
+ return -1;
+}
+
+ThrowCode sdResizeFile( FileStream * File, uint64_t NewSize )
+{
+ UNIMPLEMENTED("sdResizeFile");
+ TOUCH(NewSize);
+ return THROW_RESIZE_FILE;
+}
+
+#endif
+