{{htmlmetatags>metatag-robots=() metatag-title=(DEFINE PRAGMAS USING DOUBLE BUFFER AND SCREEN MODE UNIQUE | ugBASIC User Manual) metatag-keywords=(ugBASIC,Commodore 64,Commodore PLUS/4,ZX Spectrum) metatag-description=(An isomorphic language for retrocomputers) metatag-media-og:image=(:ugbasic:logo-ugbasic-fb.png) metatag-og:title=(DEFINE PRAGMAS USING DOUBLE BUFFER AND SCREEN MODE UNIQUE | ugBASIC User Manual) metatag-og:description=(An isomorphic language for retrocomputers) }} ====== ugBASIC User Manual ====== ===== DEFINE PRAGMAS USING DOUBLE BUFFER AND SCREEN MODE UNIQUE ===== ==== PURPOSE ==== This small example will show how to limit the code generation of the libraries when using double buffering and screen mode unique. ==== SOURCE CODE ==== DEFINE SCREEN MODE UNIQUE DEFINE DOUBLE BUFFER OFF BITMAP ENABLE (16) CLS airplane1 := LOAD IMAGE("air_attack_airplane.png") airplane2 := LOAD IMAGE("air_attack_airplane.png" AS "airplanef") FLIP X PUT IMAGE airplane1 AT 0,0 PUT IMAGE airplane2 AT 16,16 ==== SOURCE FILE ==== * ''[[https://github.com/spotlessmind1975/ugbasic/tree/main/examples/defines_screen_03.bas|defines_screen_03.bas]]'' ==== HOW TO COMPILE AND RUN ==== The instructions here refer to compiling the example from the command line. For Microsoft Windows users we suggest using **[[https://spotlessmind1975.itch.io/ugbasic-ide|UGBASIC-IDE]]**, which allows you to compile the example with just one click.=== ATARI 400/800 family === In order to compile and run the example, you need to have the Altirra emulator, and in particular that the ''altirra'' executable is accessible. Then, type this command on the command line: # Linux ugbc.atari defines_screen_03.bas -o example.xex altirra example.xex # Windows ugbc.atari.exe defines_screen_03.bas -o example.xex altirra example.xex === ATARI 600XL/800XL/1200XL/XG(SE) family === In order to compile and run the example, you need to have the Altirra emulator, and in particular that the ''altirra'' executable is accessible. Then, type this command on the command line: # Linux ugbc.atarixl defines_screen_03.bas -o example.xex altirra example.xex # Windows ugbc.atarixl.exe defines_screen_03.bas -o example.xex altirra example.xex === Commodore 64 === In order to compile and run the example, you need to have the VICE emulator, and in particular that the ''x64sc'' executable is accessible. Then, type this command on the command line: # Linux ugbc.c64 defines_screen_03.bas -o example.prg x64sc example.prg # Windows ugbc.c64.exe defines_screen_03.bas -o example.prg x64sc example.prg === Commodore 64+REU === In order to compile and run the example, you need to have the VICE emulator, and in particular that the ''x64sc'' executable is accessible. Then, type this command on the command line: # Linux ugbc.c64reu defines_screen_03.bas -o example.prg x64sc -reu example.prg # Windows ugbc.c64reu.exe defines_screen_03.bas -o example.prg x64sc -reu example.prg === Commodore PLUS/4 === == Using YAPE == In order to run the example, you need to have the YAPE emulator. In particular that the ''yape'' executable is accessible. Then, type this command on the command line: # Linux ugbc.plus4 defines_screen_03.bas -o example.prg yape example.prg # Windows ugbc.plus4.exe defines_screen_03.bas -o example.prg yape example.prg == Using VICE == In order to run the example, you need to have the VICE emulator. In particular that the ''xplus4'' executable is accessible. Then, type this command on the command line: # Linux ugbc.plus4 defines_screen_03.bas -o example.prg xplus4 example.prg # Windows ugbc.plus4.exe defines_screen_03.bas -o example.prg xplus4 example.prg === Dragon 32 === In order to compile and run the example, you need to have the XROAR emulator, and in particular that the ''xroar'' executable is accessible. Then, type this command on the command line: # Linux ugbc.d32 defines_screen_03.bas -o example.bin xroar -rompath (your rom path) example.bin # Windows ugbc.d32.exe defines_screen_03.bas -o example.bin xroar.exe -rompath (your rom path) example.bin === Dragon 64 === In order to compile and run the example, you need to have the XROAR emulator, and in particular that the ''xroar'' executable is accessible. Then, type this command on the command line: # Linux ugbc.d64 defines_screen_03.bas -o example.bin xroar -rompath (your rom path) example.bin # Windows ugbc.d64.exe defines_screen_03.bas -o example.bin xroar.exe -rompath (your rom path) example.bin === PC128 Olivetti Prodest === In order to compile and run the example, you need to have the DCMOTO emulator, and in particular that the ''dcmoto'' executable is accessible. Then, type this command on the command line and on the emulator: # Linux ugbc.pc128op defines_screen_03.bas -o example.k7 dcmoto (choose BASIC 128) CLEAR,&H2FFF: LOADM"CASS:",R: EXEC # Windows ugbc.pc128op.exe defines_screen_03.bas -o example.k7 dcmoto (choose example.k7) (choose BASIC 128) CLEAR,&H2FFF: LOADM"CASS:",R: EXEC === Thomson MO5 === In order to compile and run the example, you need to have the DCMOTO emulator, and in particular that the ''dcmoto'' executable is accessible. Then, type this command on the command line and on the emulator: # Linux ugbc.pc128op defines_screen_03.bas -o example.k7 dcmoto (choose BASIC 128) CLEAR,&H2FFF: LOADM"CASS:",R: EXEC # Windows ugbc.pc128op.exe defines_screen_03.bas -o example.k7 dcmoto (choose example.k7) (choose BASIC 128) CLEAR,&H2FFF: LOADM"CASS:",R: EXEC === Commodore VIC-20 === In order to compile and run the example, you need to have the VICE emulator, and in particular that the ''xvic'' executable is accessible. Then, type this command on the command line: # Linux ugbc.vic20 defines_screen_03.bas -o example.prg xvic --memory 24k example.prg # Windows ugbc.vic20.exe defines_screen_03.bas -o example.prg xvic --memory 24k example.prg === ZX Spectrum === In order to compile and run the example, you need to have the Speccy emulator, and in particular that the ''speccy'' executable is accessible. Then, type this command on the command line: # Linux ugbc.zx defines_screen_03.bas -o example.tap Speccy example.tap # Windows ugbc.zx.exe defines_screen_03.bas -o example.tap Speccy example.tap === MSX === In order to compile and run the example, you need to have the openMsx or the BlueMSX emulator, and in particular that its executable is accessible. Then, type this command on the command line: == openMSX == # Linux ugbc.msx1 defines_screen_03.bas -o example.rom openmsx -cart example.rom # Windows ugbc.msx1.exe defines_screen_03.bas -o example.rom openmsx -cart example.rom == blueMSX == # Linux ugbc.msx1 defines_screen_03.bas -o example.rom bluemsx example.rom # Windows ugbc.msx1.exe defines_screen_03.bas -o example.rom bluemsx example.rom === ColecoVision === In order to compile and run the example, you need to have the openMsx or the BlueMSX emulator, and in particular that its executable is accessible. Then, type this command on the command line: == openMSX == # Linux ugbc.coleco defines_screen_03.bas -o example.rom openmsx -machine \"COL - ColecoVision\" -cart example.rom # Windows ugbc.coleco.exe defines_screen_03.bas -o example.rom bluemsx -machine \"COL - ColecoVision\" example.rom == blueMSX == # Linux ugbc.coleco defines_screen_03.bas -o example.rom bluemsx /machine \"COL - ColecoVision\" /rom1 example.rom # Windows ugbc.coleco.exe defines_screen_03.bas -o example.rom bluemsx /machine \"COL - ColecoVision\" /rom1 example.rom === SEGA SC-3000 === In order to compile and run the example, you need to have the BlueMSX emulator, and in particular that its executable is accessible. Then, type this command on the command line: # Linux ugbc.sc3000 defines_screen_03.bas -o example.rom bluemsx /machine \"SEGA - SC-3000\" /rom1 example.rom # Windows ugbc.sc3000.exe defines_screen_03.bas -o example.rom bluemsx /machine \"SEGA - SC-3000\" /rom1 example.rom === SEGA SG-1000 === In order to compile and run the example, you need to have the BlueMSX emulator, and in particular that its executable is accessible. Then, type this command on the command line: # Linux ugbc.sg1000 defines_screen_03.bas -o example.rom bluemsx /machine \"SEGA - SG-1000\" /rom1 example.rom # Windows ugbc.sg1000.exe defines_screen_03.bas -o example.rom bluemsx /machine \"SEGA - SG-1000\" /rom1 example.rom ==== ANY PROBLEM? ==== If you have found a problem trying to run this example, if you think there is a bug or, more simply, you would like it to be improved, [[https://github.com/spotlessmind1975/ugbasic/issues/new?title=IMPROVE DEFINE PRAGMAS USING DOUBLE BUFFER AND SCREEN MODE UNIQUE|open an issue]] for this example on GitHub. Thank you!===== POWERED BY ===== [[:ugbasic:user:examples|{{ :ugbasic:user:logo-ugbasic.png?nolink&600 |}}]]