95 lines
2.8 KiB
Plaintext
Executable File
95 lines
2.8 KiB
Plaintext
Executable File
Changes in pfth 1.03
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1. Added umod and u/ words
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2. Fixed the #, udmod and ud/ words to handle numbers with the MSB set.
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These changes fix a problem with the u. word when the MSB is set.
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3. Fixed the putch PASM routine so that it only writes P30 in OUTA
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Changes in pfth 1.02
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1. Added ospfth.spin, which runs under Spinix
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2. Added support for two simultaneous open files
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3. Added bye and reboot words
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4. Added sub-directory support
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5. Added CD word to change the working directory
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6. Modified the s" word to work in the interpretation mode
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7. Added a kernel word to make constants and values more efficient
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Changes in pfth 1.00
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1. Fixed the FOR and NEXT words
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2. Fixed a bug in UNLOOP
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3. Added create-file, file-write, file-line, file-flush, file-close and
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delete-file
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4. Added linux.fth that implements simple ls, rm, cp and cat commands
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5. Added sdutils.fth that contains some file utilities
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6. Added TED -- a tiny text editor
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7. Changed SAVE to EESAVE in i2c.fth
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Changes in pfth 0.89
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1. Changed the dictionary word structure to use 16-bit pointers instead of 32
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bits.
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2. Changed the execution list in compiled words to use 16-bit execution tokens
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instead of 32 bits.
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3. Changed the positions of the code pointer and DOES pointer to make the inner
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loop more efficient. It now runs about 25% faster.
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4. Changed SEE back to printing "_lit" for numbers.
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5. Implemented a _loop kernel word to make DO-LOOP faster.
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Changes in pfth 0.83
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1. Changed SEE in see.fth so that it doesn't print "_lit" for numbers
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2. Added bufser.fth that contains a buffered serial driver
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3. Added a BUFFERIT word in bufser.fth that reads the serial input into memory
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until it encounters an "ESC" character.
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4. Added an EVALBUF word in bufser.fth that will evaluate multiple lines in a
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memory buffer
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5. Updated the readme.txt file with text contributed by Loopy
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6. Updated the readme.txt file with a description of the dictionary word format
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7. Added a SAVE word to i2c.fth that will write the current hub RAM image to
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EEPROM. Note: The small Spin program at the end of memory must have been
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preserved for this to boot properly.
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8. Changed the CR word so that it emits both a carriage return and a line feed.
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9. Added CASE, ENDCASE, OF and ENDOF to init.fth
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10. Improved WAITCNT and MS in propwords.fth. Removed INA!
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11. Fixed LIST-FILES in sd.fth to skip over deleted files in the directory
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12. Changed the execution token so that it points to the code pointer instead
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of the beginning of the word in the dictionary
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13. Made KEY a deferred word so that it can be re-assigned to the serial input
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after reading the FILEs in memory
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