Learn to Write (Retro)Videogames! new sei italiano?
Learn to Write (Retro)Videogames! new sei italiano?
Embark on a journey into the (retro)programming of three simple video games, three "easy pieces", which will help you become familiar with some basic concepts, to apply them to computers with limited resources.The purpose of this book, therefore, is not just to illustrate a source code: instead it offers ideas for actively developing the three easy pieces.
Programming while reading.
Learn to Write (Retro)Videogames! new sei italiano?
Embark on a journey into the (retro)programming of three simple video games, three "easy pieces", which will help you become familiar with some basic concepts, to apply them to computers with limited resources.
EMBEDDED DATA
- USING DATA AND READ INSTRUCTION
- USING DATA AND READ INSTRUCTION WITH LABELS
- USING RESTORE INSTRUCTION
- USING READ END FUNCTION
- USING DATA LOAD
- USING DATA LOAD
- USING DATA AND READ INSTRUCTION WITH EXPLICIT TYPE
- USING DATA AND READ INSTRUCTION WITH LABELS
- USING RESTORE INSTRUCTION
- USING READ END FUNCTION
- USING DATA LOAD
- USING DATA LOAD
- USING DYNAMIC RESTORE
Available on:
atari atarixl c128 c128z c64 coco coco3 coleco cpc d32 d64 mo5 msx1 pc128op plus4 sc3000 sg1000 to8 vg5000 vic20 zx
EXPANSION MANAGEMENT
- LIST OF AVAILABLE BANKS
- SET A BANK
- COPY FROM AND TO EXPANSION
- LOAD IMAGE ON BANK
- LOAD IMAGES ON BANK
Available on:
coco3 c64reu
EXTERNAL INTEGRATION
- CALL MACHINE LANGUAGE
- CALL MACHINE LANGUAGE WITH REGISTERS
- CALL MACHINE EXTERNAL MACHINE LANGUAGE FILE
- CALL EXTERNAL MACHINE LANGUAGE FILE
- CALL EXTERNAL MACHINE LANGUAGE FILE (ABSOLUTE POSITION)
- CALL EXTERNAL MACHINE LANGUAGE FILE (USING STACK)
- ASM INLINE
- DECLARE EXTERNAL PROCEDURES (WITH PARAMETERS)
- DECLARE EXTERNAL FUNCTIONS (WITH PARAMETERS)
- SYSTEM CALLS (ON ATARI 400/800)
- SYSTEM CALLS (ON COMMODORE 128)
Available on:
c128 atari atarixl c64 coco coco3 d32 d64 coleco sg1000 sc3000 cpc
FLOW CONTROL
- USING AFTER..CALL
- USING AFTER..GOSUB
- USING ON GOTO
- USING ON GOSUB
- USING SELECT CASE
- USING IF..THEN..ELSE
- USING IF..THEN..ELSE IF
- USING FOR..NEXT
- USING NESTED FOR..NEXT
- USING DO..LOOP
- EXITING FROM LOOP
- EXITING FROM NESTED LOOP
- MIXED DO..LOOP AND WHILE..WEND
- MIXED DO..LOOP AND REPEAT..UNTIL
- USING EVERY..GOSUB
- USING EVERY..CALL
- USING MULTIPLE EVERY..GOSUB
- POPPING FROM GOSUB
- USING GOSUB..RETURN (1)
- USING GOSUB..RETURN (2)
- USING RUN
- USING GOTO WITH LABELS
- USING GOTO WITH LINE NUMBERS
- WITH UNCONDITIONAL WAIT
Available on:
atari atarixl c128 c64 coco coco3 d32 d64 cpc coleco sg1000 sc3000
GRAPHICS PRIMITIVES
- DRAWING BARS (PEDESTRIAN CROSSING)
- DRAWING BARS (TWO RED BARS)
- DRAWING (COLORED) BOXES
- DRAWING (PATTERNED) BOXES
- CLIPPING DRAWING
- COLORING (USING INK)
- COLORING (USING COLOR)
- COLORING (USING COLOR())
- USING PALETTE
- DRAWING USING DRAW INSTRUCTIONS
- DRAWING LINES
- DRAWING (RANDOM) LINES
- FILL POLYGON
- USING PALETTE
- RANDOM PLOTTING
- FILL PLOTTING
- USING GET PIXEL COLOR (POINT)
- FILL (PATTERN) PLOT
- USING PMODE
- COLOR AT POINT
- POSITIONING (USING GR LOCATE)
- POSITIONING (USING XGR AND YGR)
- USING PMODE
- DRAWING SHAPES (USING CIRCLE AND POLYLINE)
- DRAWING RANDOM CIRCLES
- DRAWING RANDOM ELLIPSES
- DRAWING ENCLOSED CIRCLES
- TEXT COORDINATES (USING X/Y GRAPHIC)
- DRAWING AROUND TEXT
- TEXT COORDINATES (USING X/Y TEXT)
- DRAWING RANDOM TEXTS
- VERTICAL BLANK SYNC (1)
- VERTICAL BLANK SYNC (2)
Available on:
atari atarixl c128 c64 coco d32 d64 cpc coco3 coleco sg1000 sc3000
I/O CONTROL
- JOYSTICK READ (BITMAP)
- JOYSTICK READ (BIT DECODING)
- JOYSTICK READ (FUNCTIONS)
- ANALOGIC JOYSTICK READ (FUNCTIONS)
- KEYBOARD READ (USING INKEY)
- KEYBOARD READ (USING INKEY AND ASC)
- KEYBOARD READ (USING INKEY AND SCANCODE)
- KEYBOARD READ (USING SCANSHIFT)
- KEYBOARD READ (BIT DECODING SCANSHIFT)
- KEYBOARD READ (USING KEY STATE)
- WAIT FOR A KEY
- KEYBOARD READ (USING INPUT$)
Available on:
atari atarixl c128 c64 coco coco3 d32 d64 cpc sc3000 coleco sg1000
MATHEMATIC ROUTINES
- ABSOLUTE VALUE (USING ABS)
- CALCULATE DISTANCE
- SUM OPERANDS (USING +)
- POWER AND MULTIPLICATIVE OPERANDS (USING ^ AND *)
- ASSOCIATIVE PRIORITY (SUMS AND PRODUCTS)
- ASSOCIATIVE PRIORITY (ALL OPERATIONS)
- USING RELATIVE NUMBERS
- HEXADECIMAL REPRESENTATION
- DECIMAL TO HEXADECIMAL
- SOME SIGNED OPERATIONS
- CONVERTING TO INTEGER
- FAST OPERATIONS (USING INC/DEC)
- FAST OPERATIONS (USING ADD)
- WITH FAST OPERATIONS (USING MUL)
- FAST OPERATIONS (USING DIV)
- RANDOM VALUES (USING RND())
- RANDOM VALUES (USING RANDOMIZE)
- WITH NOT REPETITIVE RANDOM VALUES
- MAXIMUM VALUE (USING MAX)
- MINIMUM VALUE (USING MIN)
- LIMITS OF NUMERIC TYPES
- CHECKING SIGN / UNSIGN CONVERSION
- SIGN (USING SGN())
- INTEGER SQUARE ROOT (USING SQR())
Available on:
atari atarixl c128 c64 coco coco3 d32 d64 coleco sg1000 sc3000 cpc c128z mo5 msx1 pc128op to8 plus4 vg5000 zx
MULTI TASKING
- SIMPLE CONCURRENCY (2 TASKS)
- CONDITIONATED CONCURRENCY (WAIT FOR ENDING TASK)
- ACCESSING VARIABLES (EXPLICIT)
- ACCESSING VARIABLES (IMPLICIT)
- PRE-EMPTIVE PARALLEL COMPUTING
- MULTITHREADED ANIMATION (1)
- MULTITHREADED ANIMATION (2)
Available on:
atari atarixl c128 c64 coco coco3 d32 d64 coleco sg1000 sc3000 pc128op to8 cpc
OTHER CONTRIBUTIONS
- LANGTON'S ANT
- PRINTABLE CHARACTERS
- PRINTABLE CHARACTERS (COMPRESSED)
- ASSEMBLY FOR BEGINNERS (MOS 6502)
- ASSEMBLY FOR BEGINNERS (MOTOROLA 6809)
- ASSEMBLY FOR BEGINNERS (SHARP SM83)
- ASSEMBLY FOR BEGINNERS (ZILOG Z80)
- BAD APPLE
- TIME CALIBRATION
- 3D ROTATING CUBE
- 3D ROTATING CUBE (2)
- 3D ROTATING CUBE 10 lines
- FIBONACCI CALCULATION
- FLARE ANIMATION
- FOR...NEXT BEST PRACTICE
- FOR...NEXT BEST PRACTICE
- GET/PUT PERFORMANCE
- IF SPEED TEST
- ITALIAN FLAG
- JOYSTICK PRIZE TRIBUTE
- LIGHT!
- MAZE GENERATOR
- MEMORY SCANNER
- MEMORY SCANNER 10 lines
- MINIGAME
- NABOO N1 STARFIGHTER
- NABOO N1 STARFIGHTER (SCALED)
- PARABOLA AND HYPERBOLA
- PRIME NUMBERS
- PRIME NUMBERS (2)
- PRIME NUMBERS (3)
- PRIME NUMBERS (4)
- RANDOM DISTRIBUTION
- SHUFFLING
- SIERPINSKI CHALLENGE (optimized)
- SIERPINSKI CHALLENGE (final)
- DRAWING SPOCK
- DRAWING SPOCK USING DATA
- STAFIELD
- TEST CARD
- THE MILL
- A CARTOON FOREST
- TIMERS!
- WHAT A WONDERFUL WORLD
Available on:
vic20 atari atarixl c128 c64 coco d32 d64 coleco sg1000 sc3000 cpc zx pc128op to8 c128z c64reu coco3 mo5 msx1 vg5000 plus4 msx gb
SPRITE MANAGEMENT
- MOVING PARALLEL SPRITES
- ASSEMBLING A MULTICOLOR SPRITE (1)
- ASSEMBLING A MULTICOLOR SPRITE (2)
- COLLISIONS (1)
- COLLISIONS (2)
- TESTING COLLISION
- MULTIPLEXING A BIG SPRITE
- MULTIPLEXING MULTIPLE SPRITES
Available on:
c64 c64reu c128 coleco sg1000 sc3000
STATIC IMAGES
- MONOCHROME IMAGE CAPURE (USING GET IMAGE)
- MULTICOLOR IMAGE CAPURE (USING GET IMAGE)
- IMAGE CAPURE (USING GET IMAGE AND PALETTE)
- LOADING IMAGE ( USING PRINT )
- LOADING MULTICOLOR IMAGE ( USING PRINT )
- DISPLAY MONOCHROME IMAGE
- DISPLAY MUILTICOLOR IMAGE
- LOAD AND DISPLAY ONE FRAME IMAGE
- DISPLAY ANIMATIONS
- DISPLAY MONOCHROME IMAGE (USING PUT IMAGE)
- DISPLAY MULTICOLOR IMAGE (USING PUT IMAGE)
- DISPLAY A RED TOKEN (USING PUT IMAGE)
- DISPLAY AN (Y DOUBLED) RED TOKEN (USING PUT IMAGE)
- LOADING FLIPPED IMAGE (USING FLIP X)
- SEQUENCE LOADING AND DISPLAY OF A FRAME
Available on:
atari atarixl c128 c64 coco coco3 d32 d64 coleco sg1000 sc3000 pc128op to8 cpc
STORAGE MANAGEMENT
- LOADING A FILE
- LOADING AN IMAGE (1)
- LOADING AN IMAGE (2)
- LOADING IMAGES
- LOADING IMAGES
- LOADING MUSIC
- LOADING ON VARIABLES
- LOADING TILESET
- SAVING A FILE
Available on:
atari atarixl c128 c64 coco coco3 vic20 cpc
STRING MANIPULATION
- ASCII VALUE (USING ASC())
- LETTER CASING (USING UPPER/LOWER)
- GENERATE CHARACTER (USING CHR())
- FLIPPING STRINGS
- SEARCH INSIDE A STRING (USING INSTR())
- SEARCH INSIDE A STRING FROM A POSITION (USING INSTR())
- EXTRACT A SUBSTRING (USING LEFT())
- REPLACING A SUBSTRING (USING LEFT())
- MEASURE THE LENGHT OF A STRING (USING LEN())
- EXTRACT / REPLACE A SUBSTRING (USING MID())
- EXTRACT A SUBSTRING (USING RIGHT())
- REPLACE A SUBSTRING (USING RIGHT())
- GENERATE SPACES (USING SPACE())
- CONVERT NUMBERS (USING STR())
- GENERATE STRINGS (USING STRING())
- SUBTRACTING STRINGS
- CONVERTING A STRING TO NUMBER (USING VAL())
Available on:
atari atarixl c128 c64 coco coco3 d32 d64 coleco sg1000 sc3000 pc128op to8 cpc
TEXTS OUTPUT
- HORIZONTAL SCROLLING (USING HSCROLL)
- VERTICAL SCROLL (USING VSCROLL)
- ERASING TEXT (USING CLINE)
- USING ESCAPE SEQUENCES (1)
- USING ESCAPE SEQUENCES (2)
- DISPLAY ALL PEN COLORS (USING PEN)
- CHANGE PEN COLOR (USING PEN$())
- DISPLAY ALL PAPER COLORS (USING PAPER)
- CHANGE PEN AND PAPER COLORS
- CHANGE WRITING MODE (USING WRITING)
- TEXT POSITIONING (USING LOCATE)
- TEXT POSITIONING (USING HOME)
- TEXT POSITIONING (USING CMOVE)
- TEXT POSITIONING (USING CMOVE$())
- TEXT POSITIONING (USING AT$())
- TEXT POSITIONING (USING AT$()/LOCATE)
- TEXT POSITIONING (USING LOCATE/CMOVE)
- TEXT POSITIONING (USING TAB$())
- TEXT POSITIONING (USING CDOWN)
- TEXT POSITIONING (USING CDOWN$())
- TEXT POSITIONING (USING SPC())
- HELLO WORLD
- PRINTABLE CHARS
- PRINT (WITH OPERATORS)
- PRINTING (USING TAB())
- GET TEXT POSITION (USING XCURS()/YCURS())
- GET TEXT POSITION (USING MEMORIZE/REMEMBER)
Available on:
c128 coco coco3 d32 d64 coleco sg1000 sc3000 cpc atari atarixl c64 pc128op to8
TSB PROJECT
- AT STRINGS
- BLOCK / REC COMMANDS
- DEFINE CENTER AND NEW LINES
- USING CGOTO
- ALTERNATIVE SYNTAX FOR CIRCLE
- USING D!PEEK AND D!POKE
- USING DUP
- USING FILL SCREEN
- USING INSERT FUNCTION
- USING INSERT
- USING INST
- USING JOYSTICK
- USING LOOP WITH SIMONS' BASIC SYNTAX
- USING MEMLOAD
- USING MEMPEEK
- USING MULTI
- DOUBLE DOLLAR
- USING DOUBLE PERCENT
- USING OPTION CALL PRAGMA
- USING PAUSE
- USING PLACE
Available on:
atari atarixl c128 c128z c64 c64reu coco coco3 coleco cpc d32 d64 mo5 msx1 pc128op sc3000 sg1000 to8 vg5000 vic20 zx
USER-DEFINED PROCEDURES
- USING GLOBAL VARIABLES
- ALL VARIABLES AS GLOBAL (USING WILDCARD *)
- DEFINING A PROCEDURE (BUT NOT CALLING IT)
- CALL A PROCEDURE (USING [])
- CALL A PROCEDURE (ALL WAYS)
- CALL A PROCEDURE (USING ON...PROC)
- EXITING FROM A PROCEDURE
- USING LOCAL VARIABLES (1)
- USING LOCAL VARIABLES (2)
- RETURN VALUE (USING PARAM$())
- RETURN VALUE (USING RETURN) (1)
- RETURN VALUE (USING RETURN) (2)
- RETURN VALUE (USING RETURN) (3)
- CALL WITH SINGLE PARAMETER
- CALL WITH MULTIPLE PARAMETERS
- USING SHARED VARIABLES
Available on:
atari atarixl c128 c64 coco coco3 d32 d64 coleco sg1000 sc3000 pc128op to8 cpc c128z
