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- ╫┼╠├╧═┼ ╘╧ ╨╧╫┼╥ ─╥╔╓┼╥
-
- ╔N CREATING ╨OWER ─RIVER THE OBJECT
- WAS TO ALLOW THE NORMAL LOADING AND
- EXECUTION OF ├╧═┴╠ 0.14 PROGRAMS,
- AND TO ENHANCE ├╧═┴╠ 0.14 TO INCLUDE
- SOME OF THE FEATURES OF THE ├╧═┴╠
- 2.0 CARTRIDGE.
-
- ╫HEN YOU ╠╔╙╘ A ├╧═┴╠ PROGRAM UNDER
- ╨OWER ─RIVER TRY TO HAVE THE SYSTEM
- SET FOR LOWER/╒╨╨┼╥ CASE. ╨OWER
- ─RIVER WILL LIST A PROGRAM WITH THE
- KEYWORDS IN UPPER CASE AND THE
- VARIABLES IN LOWER CASE - IF THE
- SYSTEM IS SET FOR LOWER/╒╨╨┼╥ CASE.
-
- ╫HEN YOU USE THE ├┴╘ OR ─╔╥ COMMANDS
- YOU CAN NOW PAUSE THE DIRECTORY
- LISTING WITH THE SPACE BAR.
-
- ╓┴╠ WILL NEVER CAUSE AN ERROR. ╔F
- THE STRING STARTS WITH NON-NUMERIC
- CHARACTERS OR IS THE NULL STRING
- THEN THE FUNCTION WILL RETURN ZERO.
-
- ╒SING ╟┼╘$ FOR GETTING CHARACTERS
- FROM A DISK BUFFER WILL CAUSE THE
- ┼╧╞ FLAG TO BE SET WHEN THE END
- OF THE BUFFER IS REACHED. ╘HE ONLY
- WAY TO READ MULTIPLE DISK BUFFERS
- OR DISK SECTORS IS TO ╧╨┼╬ THE
- BUFFER, READ THE SECTOR INTO THE
- BUFFER, READ THE BUFFER, CLOSE THE
- FILE, AND REOPEN THE BUFFER AGAIN
- TO READ THE NEXT SECTOR.
-
- ╙╨╥╔╘┼╙: ╙PRITE IMAGES HAVE BEEN
- MOVED TO THE MEMORY UNDERNEATH ╔/╧
- ($D000-$D7FF). ╘HIS IS THE SAME
- LOCATIONS USED BY THE ├╧═┴╠ 2.0
- CARTRIDGE. ╨ROGRAM MEMORY NOW USES
- THE NORMAL SPRITE IMAGE AREA OF
- $C000-$CFFF. ╘HE ONLY LIMITATION OF
- MOVING THE SPRITE AREAS IS THAT YOU
- ARE NOW LIMITED TO 32 SPRITE
- DEFINITION AREAS (0-31).
-
- ═┼═╧╥┘ ┴├├┼╙╙ ╘╧ ─╔╞╞┼╥┼╬╘ ┬┴╬╦╙:
- ╠IKE THE 2.0 CARTRIDGE, A METHOD OF
- USING ╨┼┼╦ AND ╨╧╦┼ TO ACCESS THE
- DIFFERENT BANKS OF ╥┴═ AND ╥╧═ HAS
- BEEN ADDED TO ╨OWER ─RIVER. ┬Y POKING
- THE PROPER BANK SETTING TO LOCATION
- 2068 YOU CAN USE ╨┼┼╦ AND ╨╧╦┼ TO
- ACCESS ANY MEMORY LOCATION WITHIN THE
- ├64. ╘HE PROPER NUMBERS ARE:
-
- ╨╧╦┼ 2068,0 // ALL RAM
- ╨╧╦┼ 2068,6 // ╦ERNAL ╥╧═ AND ╔/╧
- ╨╧╦┼ 2068,7 // ╦ERNAL, ┬┴╙╔├ AND ╔/╧
- ╨╧╦┼ 2068,2 // ╦ERNAL, ├HARACTER ╥OM
-
- ┼╬─╔╬╟ ├╧═╨╔╠┼─ ╨╥╧╟╥┴═╙: ╫HEN A
- COMPILED PROGRAM ENDS CONTROL IS
- RETURNED TO ┬┴╙╔├, WHICH PRINTS THE
- ╥┼┴─┘ PROMPT AND WAITS FOR YOUR NEXT
- COMMAND. ┘OU MUST MAKE SURE THAT
- YOUR PROGRAM ┴╠╫┴┘╙ SWITCHES BACK TO
- THE TEXT SCREEN BEFORE ENDING. ╘HE
- RUNTIME SYSTEM ONLY RETURNS TO
- ┬┴╙╔├ - IT DOES NOT CHANGE THE
- DISPLAY. ╘HIS IS ALSO TRUE FOR
- ENDING A PROGRAM WITH AN ERROR.
-