tag:blogger.com,1999:blog-59215673594708628072024-03-19T02:36:31.833-07:0064jim64's commodore 64 pagejim_64http://www.blogger.com/profile/02106760000545867514noreply@blogger.comBlogger5125tag:blogger.com,1999:blog-5921567359470862807.post-11664583379283891352020-08-09T08:10:00.003-07:002020-08-09T08:29:27.042-07:00Stupid PET Tricks - adding sound and joysticks to a PET 2001 and making games work with it.<div class="separator" style="clear: both; text-align: center;">
<a href="https://www.blogger.com/u/1/blogger.g?blogID=5921567359470862807" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiHKfGG13v2ZoKF6DKuUQUfX65_CthiMU4ZGnozLIi3hgarVBbLymy_I9ySOGRKja44FSPj4AWlcgIPSylxYgv34K6NUv6YfI1EwFOr9PlscPHjiUiYor2I8LwMp9k_pR4A-29t11u7zaRG/s1600/Stupid+Pet+Tricks.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="88" data-original-width="771" height="72" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiHKfGG13v2ZoKF6DKuUQUfX65_CthiMU4ZGnozLIi3hgarVBbLymy_I9ySOGRKja44FSPj4AWlcgIPSylxYgv34K6NUv6YfI1EwFOr9PlscPHjiUiYor2I8LwMp9k_pR4A-29t11u7zaRG/s640/Stupid+Pet+Tricks.png" width="640" /></a></div>
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<span face="" style="font-family: "trebuchet ms", sans-serif;"><b><i>Commodore PET 2001 games with sound and joysticks!</i></b></span></div>
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<span face="" style="font-family: "trebuchet ms", sans-serif;">This project adds sound and joystick(s) to the original 1977 commodore PET 2001 computer. I’ve used the techniques that were developed by user community soon after the PET 2001 release. I’ve found many games with sound but only a few with joystick support. I modified some games to add joystick support. YouTube video of the project.</span><div><br /></div><div><div style="text-align: center;"><br /></div><div style="text-align: center;">
<iframe allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen="" frameborder="0" height="315" src="https://www.youtube.com/embed/PJrEYils4D8" width="560"></iframe> </div><div style="text-align: center;"><a href="https://youtu.be/PJrEYils4D8" style="font-family: "trebuchet ms", sans-serif;"><span style="font-size: small;">https://youtu.be/PJrEYils4D8</span></a></div><div style="text-align: center;"><span style="font-family: "trebuchet ms", sans-serif;"><span style="font-size: small;">YouTube video of the project</span></span></div><div>
<span face="" style="font-family: "trebuchet ms", sans-serif;"><br /></span><span face="" style="font-family: "trebuchet ms", sans-serif;"><b>Background</b></span><br />
<span face="" style="font-family: "trebuchet ms", sans-serif;">The commodore PET 2001 was released in 1977, the same year as the Apple II and the TRS-80 Model I. Byte magazine called these three computers the “1977 Trinity” noting that these were the first pre-assembled computers available to the public.</span><br />
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<span face="" style="font-family: "trebuchet ms", sans-serif;">Interestingly, only the Apple II was designed with games in mind. It supported color when hooked to a color TV, had a built-in speaker, and supported paddle controllers. The Steves had previously built a Pong game for Atari and used that game as one of their design targets when creating the Apple II.</span><br />
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<span face="" style="font-family: "trebuchet ms", sans-serif;"><b>PET 2001 CB2 Sound modification</b></span><br />
<span face="" style="font-family: "trebuchet ms", sans-serif;">The PET 2001 was released with no speaker and no clear method to add sound. Of course, the PET user community quickly came up with a solution. This solution used the CB2 pin on the user port and therefore it was dubbed “CB2 sound”. This proved so popular, that commodore adopted this design on future PETs.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiVo5g4nXVIAmiA_PJjYZHrTFerhADA-pbz06r_kQwxaAbMpMMN4RN2QAp0bBGd0qS1zcDDREK0GQWfpNSwl384nnkjpo2PdSVWp_MPoarHlYvB95G8nbla1V8jncR5qX6w_rB8bySVMvvT/s1600/CB2.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="149" data-original-width="720" height="132" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiVo5g4nXVIAmiA_PJjYZHrTFerhADA-pbz06r_kQwxaAbMpMMN4RN2QAp0bBGd0qS1zcDDREK0GQWfpNSwl384nnkjpo2PdSVWp_MPoarHlYvB95G8nbla1V8jncR5qX6w_rB8bySVMvvT/s640/CB2.png" width="640" /></a></div>
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<span face="" style="font-family: "trebuchet ms", sans-serif;"><b>CB2 Sound modification from Cursor #3 September 1978</b></span></div>
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<a href="https://www.c64-wiki.com/wiki/PET_2001#CB2_Sound"><span face="" style="font-family: "trebuchet ms", sans-serif;">https://www.c64-wiki.com/wiki/PET_2001#CB2_Sound</span></a></div>
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<span face="" style="font-family: "trebuchet ms", sans-serif;"><b>Link to version with the resistor (what I implemented)</b></span></div>
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<span face="" style="font-family: "trebuchet ms", sans-serif;"><b>PET 2001 Joystick modification</b></span><br />
<span face="" style="font-family: "trebuchet ms", sans-serif;">The PET 2001 was released with no joystick support. Again, the user community responded with user port connection methods, but in this case, multiple standards emerged. I first implemented Chuck Johnson’s dual joystick design from Volume 1, Issue 2 of the 1979 commodore PET Users Club Newsletter - however I couldn’t find any software that used this design! Next, I implemented the more common LEFT=PA1, RIGHT=PA2, FIRE=PA5 design. I even found one more different design in the 1978 Volume 0, Number 3, PET User’s Group Newsletter.</span><br />
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<span face="" style="font-family: "trebuchet ms", sans-serif;"><b><u>PET 2001 Games using Sound and Joystick(s)</u></b></span></div>
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<span face="" style="font-family: "trebuchet ms", sans-serif;"><b>Cosmic Cosmiads</b></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj_p57UtLHRqUm4FJHzVUeyAT9k291ufLdEAkslDm1Vc9JVePonEQgy6MfX8w7IMsqaA0fnzOEC2Re5WUbbxRULcfuO_o3CfSDdf5b_Dv6ib0_7EwE6SwHVt6HllPNPXVSuC2lRpUFqJNW_/s1600/cosmiads.png" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" data-original-height="532" data-original-width="770" height="276" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj_p57UtLHRqUm4FJHzVUeyAT9k291ufLdEAkslDm1Vc9JVePonEQgy6MfX8w7IMsqaA0fnzOEC2Re5WUbbxRULcfuO_o3CfSDdf5b_Dv6ib0_7EwE6SwHVt6HllPNPXVSuC2lRpUFqJNW_/s400/cosmiads.png" width="400" /></a></div>
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<span face="" style="font-family: "trebuchet ms", sans-serif;">This is an excellent Galga-like game - all in PETSCII! With a simple POKE before running, this game already supported the LEFT=PA1, RIGHT=PA2, FIRE=PA5 joystick design.<span style="white-space: pre;"> </span></span><br />
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<span face="" style="font-family: "trebuchet ms", sans-serif;"><b>Galaxy Invaders</b></span><br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgm6MuDqXC4VF5kGtOI8FGu9ZjmekR2Rk4MTaZBXZq1GV2GrAr8da9pCQHGVd-vdhiRQB60DH1Swq4hydtf0yrDQHr1kqZrvZQ-CFnYj-QbywGy7cg-UabV2KRwcGkrUbq96VyKnZ-CDc2K/s1600/Galaxay+invaders.png" style="clear: left; float: left; font-family: "trebuchet ms", sans-serif; font-weight: bold; margin-bottom: 1em; margin-right: 1em;"><img border="0" data-original-height="486" data-original-width="704" height="275" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgm6MuDqXC4VF5kGtOI8FGu9ZjmekR2Rk4MTaZBXZq1GV2GrAr8da9pCQHGVd-vdhiRQB60DH1Swq4hydtf0yrDQHr1kqZrvZQ-CFnYj-QbywGy7cg-UabV2KRwcGkrUbq96VyKnZ-CDc2K/s400/Galaxay+invaders.png" width="400" /></a><span face="" style="font-family: "trebuchet ms", sans-serif;">This game was often traded as SPACE INVADE.PRG. It features pixel perfect movement on a character-based display! I was able to modify the game to work with the LEFT=PA1, RIGHT=PA2, FIRE=PA5 joystick design. As I was editing the program, I noticed that the intended name, “Galaxy Invaders” should be printed on the first run. The traded version did not print this due to a score being in memory. I was able to clear this so that the true game name is shown at startup.</span><span face="" style="font-family: "trebuchet ms", sans-serif; white-space: pre;"> </span><br />
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<span face="" style="font-family: "trebuchet ms", sans-serif;"><b>PONG!</b></span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiEI8yPCZd7H__thWHiEsCy1rIBZA7fuEYizttcH9GOus1GNDIG5XtpaZq_QAkCvIxrWaeO7ov50fVehHTXiBD943nSf-ZEQ9S2qd1MvuAxTOOgvr6eK_gz6END3P4f1oWftgxfMcwFK7oF/s1600/Pong.png" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" data-original-height="488" data-original-width="709" height="275" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiEI8yPCZd7H__thWHiEsCy1rIBZA7fuEYizttcH9GOus1GNDIG5XtpaZq_QAkCvIxrWaeO7ov50fVehHTXiBD943nSf-ZEQ9S2qd1MvuAxTOOgvr6eK_gz6END3P4f1oWftgxfMcwFK7oF/s400/Pong.png" width="400" /></a></div>
<span face="" style="font-family: "trebuchet ms", sans-serif;">Every classic computer and game system needed a Pong version, right? This one was published in the Cursor #29 tape in 1982. I adapted it to support the Chuck Johnson dual joystick design.</span><span face="" style="font-family: "trebuchet ms", sans-serif; white-space: pre;"> </span><br />
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</div></div>jim_64http://www.blogger.com/profile/02106760000545867514noreply@blogger.com5tag:blogger.com,1999:blog-5921567359470862807.post-78687657402863074452017-09-09T12:19:00.000-07:002019-01-14T21:45:29.321-08:00Street Defender VR64 Video Game<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj-o_n6KLMrdbdL0G68wPOcNutNXP7LPHNQjyMK1y4iITBpPjpIL9hyphenhyphenWHbcGE0c8AqPkWJ0ReD_XL2W-RvsbojvKi3Jzc5p9Atq9cQjR1YkIPkXxGg9Nf1vDEDfKZahz7J7Y28meIcW2UGm/s1600/street+defender+logog.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="500" data-original-width="1219" height="162" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj-o_n6KLMrdbdL0G68wPOcNutNXP7LPHNQjyMK1y4iITBpPjpIL9hyphenhyphenWHbcGE0c8AqPkWJ0ReD_XL2W-RvsbojvKi3Jzc5p9Atq9cQjR1YkIPkXxGg9Nf1vDEDfKZahz7J7Y28meIcW2UGm/s400/street+defender+logog.png" width="400" /></a></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">The year is 1986 and modern man has made a mess of it!</span><br />
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;"><br /> Space aliens recovered the Voyager 1 spacecraft, listened to “Jonny B Good”, and immediately invaded earth’s cities with their green exoskeleton bug warriors. The robots created to make mankind’s lives more comfortable have decided they aren’t comfortable, and have risen against man. And the Central Asia Ninja Team (CANT) grew angry at the repeated portrayal of Ninjas as silent, expendable warriors in video games, so it launched an attack of its massive blue Ninja squad who have taken a vow of silence. Apparently, irony isn’t well understood in the Ninja culture.</span></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">Mankind has set up Street Defenders on every street corner to fight the invaders. They are trained to fight the invaders as long as they can before being “retired”.</span></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;"><br />You are Street Defender number C-64. </span></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;"><br />To look for your enemies, press the “<-” key to rotate left and press the “1” key to rotate right.</span></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;"><br />The Street Defenders have multiple weapons available which are activated by function keys “F1”, “F3”, “F5”, and “F7”. These weapons will damage the nearest enemy as shown in this table. </span></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">Only the Punch is unlimited. However, it only works if the enemy is very close.</span></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;"><br />Flashing enemies contain “power ups”. These can be collected if the enemy is killed when very close.</span><br />
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;"><b><b><i>How many kills can you get, Street Defender number C-64, before you are “retired”?</i></b></b></span><br />
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jim_64http://www.blogger.com/profile/02106760000545867514noreply@blogger.com3tag:blogger.com,1999:blog-5921567359470862807.post-90069193546338101922017-09-09T12:08:00.002-07:002019-01-14T21:44:49.318-08:00VR64, Virtual Reality Goggles for the Commodore 64<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhXJB3NZfbu4Pfis0xyLMoFsSNFtuSmWvKAEJkYWJtxr_k7Pr8wsHQdzgqbLEcEcSnyrFGcV3BQNxW226xIgr2lPzmU4xw_LsSr21jhKeeWyJf9zZj3WNEbwzvSnu-BzS1GwSR1LNI6tEyk/s1600/VR64.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="417" data-original-width="1291" height="128" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhXJB3NZfbu4Pfis0xyLMoFsSNFtuSmWvKAEJkYWJtxr_k7Pr8wsHQdzgqbLEcEcSnyrFGcV3BQNxW226xIgr2lPzmU4xw_LsSr21jhKeeWyJf9zZj3WNEbwzvSnu-BzS1GwSR1LNI6tEyk/s400/VR64.png" width="400" /></a></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">The VR64 project is my attempt to make VR goggles for the commodore 64.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiEU2hMSQ_m8Nj15339iccNjpMCySJQNECuJIbZQGx-KgYKFkNE32PzXciQfZzRWA-A8mg54cz7yYp-RIJJqTuD26kExwxYKvJgB1yZRMPLGQoxIdhqILyiNZWayIZMf_4A74BCOlU_Kpft/s1600/goggles.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="398" data-original-width="619" height="205" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiEU2hMSQ_m8Nj15339iccNjpMCySJQNECuJIbZQGx-KgYKFkNE32PzXciQfZzRWA-A8mg54cz7yYp-RIJJqTuD26kExwxYKvJgB1yZRMPLGQoxIdhqILyiNZWayIZMf_4A74BCOlU_Kpft/s320/goggles.png" width="320" /></a></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">The project started with my 12 year old daughter's science fair. She studied VR goggles. We were able to make our own "Google Cardboard" style goggles, 3D images, and even a 3D movie. Of course we used our smart phones as screens and video cameras.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh-Q-P3lfixfoy9cPja787H-SJIeG_bmqxBIhm61lnR1csbCg5khtDw6DdasBAMVMWtiWHgk8TNEc0iYlb5f_oBhrx8tlkA5I3k5aCpb1uVEBH4J99Hfn6_JxzRR7q6ipuk14F8R24nfol0/s1600/science.png" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" data-original-height="832" data-original-width="623" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh-Q-P3lfixfoy9cPja787H-SJIeG_bmqxBIhm61lnR1csbCg5khtDw6DdasBAMVMWtiWHgk8TNEc0iYlb5f_oBhrx8tlkA5I3k5aCpb1uVEBH4J99Hfn6_JxzRR7q6ipuk14F8R24nfol0/s320/science.png" width="238" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgY7zBpPxTANpNYXoZ2ulh5mM6IS75OTU6bS6LV9neQP-kFkoo2SYvBCWzCeyYA00zsRATv24gj2_U17qxbdAZCEpJ6XLVKWhPo3XBJWJeqU3e2V7xjUS6Q1gDjGz9frmWVu1mYM2-_b5OU/s1600/science+2.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="832" data-original-width="624" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgY7zBpPxTANpNYXoZ2ulh5mM6IS75OTU6bS6LV9neQP-kFkoo2SYvBCWzCeyYA00zsRATv24gj2_U17qxbdAZCEpJ6XLVKWhPo3XBJWJeqU3e2V7xjUS6Q1gDjGz9frmWVu1mYM2-_b5OU/s320/science+2.png" width="240" /></a></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">I kept thinking, why can't this be done for our beloved commodore 64? So I built the VR64 using three components, a $10 plastic VR goggle, a $32 LCD and a cheap power transformer (plus lots of glue gun fun!).</span></div>
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<span style="font-family: "trebuchet ms" , sans-serif; text-align: justify;">VR64 Demo Video</span></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">I split the screen into two sections, one for the left eye and one for the right. Each section is 19 columns by 25 rows, and the center two rows are not used. Each eye, has 152X200 pixels in high resolution and only 76X200 in multi-color mode!</span></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">After experimenting, I found that objects at the same location in both eyes looked like a "normal" distance. If the objects both moved towards the center, through the VR64, the object would appear in the same location but closer to the user! I found that I could move objects up to 10 pixels towards the center each (20 pixels closer to each other) and maintain the 3D effect. At a movement of about 13 pixels, my eyes got confused.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh_D1LbQJ5zB8X-1YR-wQRwrF5PkmJWK6AFt_wzO5F1fPWBiZ9To1pom9lQ1BOIGlXt3qMFRPmHaBA5ACx-PovCzsiCoDhv_k3gSnN5Jxitj1hipYQDKoic0TXWeRNnlloyQfKlOhx3trUo/s1600/sprite+move.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="444" data-original-width="706" height="251" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh_D1LbQJ5zB8X-1YR-wQRwrF5PkmJWK6AFt_wzO5F1fPWBiZ9To1pom9lQ1BOIGlXt3qMFRPmHaBA5ACx-PovCzsiCoDhv_k3gSnN5Jxitj1hipYQDKoic0TXWeRNnlloyQfKlOhx3trUo/s400/sprite+move.png" width="400" /></a></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">At first I was also moving the objects away from the center, but images with objects both away and towards the center were hard to focus on. After thinking about how the eyes look at objects close and far, it seems obvious that objects far away approach being straight in front of each eye. When objects are close, each eye sees it as closer to the center. In no case in reality do the objects move further out. </span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhCYOEojO2no1YxeV5N3PVfkAJjENKKpsNm8NMTNSPe5AzkYMBqYr92squQo8Ua8ocs33l-E4WWogR2HGnS23zJkzmA_DRLWU2IlPqhKhXyfG-jOuZls7_-cLT9kO-T6qkZe9wajjvDeRR9/s1600/eyes.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="520" data-original-width="828" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhCYOEojO2no1YxeV5N3PVfkAJjENKKpsNm8NMTNSPe5AzkYMBqYr92squQo8Ua8ocs33l-E4WWogR2HGnS23zJkzmA_DRLWU2IlPqhKhXyfG-jOuZls7_-cLT9kO-T6qkZe9wajjvDeRR9/s320/eyes.png" width="320" /></a></div>
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<span style="font-family: "trebuchet ms" , sans-serif; text-align: justify;">Graphic from my daughter's science fair poster!</span></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">So I settled on objects at the same center being the furthest out and only moving them both towards the center, up to 10 pixels each, as the 3D effect. It actually works quite well!</span></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">I made a few 3D images from actual camera shots. They are OK, but not too impressive. I honestly didn't spend too much time on this. It may be better to use high resolution dithered images.</span></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">Of course you can't have fun on a c64 without playing video games. So I made a VR64 game. This is only my third computer game and my second ML/Assembler program.</span></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">My VR64 Game is "Street Defender"</span></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;"><a href="http://64jim64.blogspot.com/2017/09/street-defender-vr64-video-game.html" target="_blank">Street Defender Game Link</a></span></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">I am very happy with the 3D effect of this game!</span><br />
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;"><a href="http://www.lemon64.com/forum/viewtopic.php?p=799095#799095" target="_blank">People playing Street Defender at the ECCC 2017/ VCFMW 12 show</a></span></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">I have tried to make a video so that people can view this through something like google cardboard or compatible devices. Hopefully I got the spacing right!</span><br />
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">I made it by balancing my phone above the LCD used in the VR64. Compared to real life, it is worse than what is seen when using the VR64. It is too washed out in the beginning. The black background is glowing and not pure black in this video. Also the text is blurry in this video. When the game screen comes on, the contrast looks better, but some color is lost. For instance the moon is much more yellow in the real thing. However, I hope this gives you a good idea of the 3D effect that is achieved! Let me know if this doesn't work with your goggles.</span><br />
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<iframe allowfullscreen="" class="YOUTUBE-iframe-video" data-thumbnail-src="https://i.ytimg.com/vi/xufso6iOv6Y/0.jpg" frameborder="0" height="266" src="https://www.youtube.com/embed/xufso6iOv6Y?feature=player_embedded" width="320"></iframe></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: medium;">Google Cardboard compatible video</span></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">Here is my build video of the VR64. I hope you build your own! The alignment program is on the "Street Defender" c64 disk. (see link below)</span><br />
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<iframe allowfullscreen="" class="YOUTUBE-iframe-video" data-thumbnail-src="https://i.ytimg.com/vi/3Rr1DZsJDMQ/0.jpg" frameborder="0" height="266" src="https://www.youtube.com/embed/3Rr1DZsJDMQ?feature=player_embedded" width="320"></iframe></div>
<span style="font-family: "trebuchet ms" , sans-serif;">Build Video of VR64</span><br />
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<span style="font-family: "trebuchet ms" , sans-serif;"><span style="font-size: large; text-align: justify;">Here is my presentation at the ECCC 2017 / VCFMW 12 show where this was debuted.</span></span><br />
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<span style="font-family: "trebuchet ms" , sans-serif;">Show presentation of the VR64</span><span style="font-family: "trebuchet ms" , sans-serif;"></span><br />
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<span style="font-family: "trebuchet ms" , sans-serif;"><span style="font-size: large; text-align: justify;"><b>* UPDATE *</b></span></span></div>
<span style="font-family: "trebuchet ms" , sans-serif;"><span style="font-size: large; text-align: justify;">The latest version of the game supports an Atari Driving controller to be used to rotate your view. Here's a video about it!</span></span><br />
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large; text-align: justify;">Free links to components, artwork and VR64 game:</span></div>
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<span style="text-align: justify;"><span style="font-family: "trebuchet ms" , sans-serif; font-size: large;"><a href="https://www.amazon.com/gp/product/B01G53DTSU/ref=oh_aui_detailpage_o06_s01?ie=UTF8&psc=1" target="_blank">VR goggles</a></span></span></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;"><a href="https://www.amazon.com/gp/product/B00FEOB4EI/ref=oh_aui_detailpage_o06_s01?ie=UTF8&psc=1" target="_blank">Power Supplies</a></span></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;"><a href="https://www.ebay.com/itm/HD-5-TFT-LCD-Display-Module-Set-DIY/292298128946?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649" target="_blank">5 Inch LCD (seller zha-mari on Ebay)</a></span><br />
<a href="http://www.dx.com/p/diy-hd-5-tft-lcd-display-and-parts-module-black-blue-silver-480-x-800-202988#.Wk1McPCnHIU" style="font-family: "trebuchet ms", sans-serif;" target="_blank"><span style="font-size: large;">5 Inch LCD (dealextreme)</span></a><br />
<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;"><a href="http://cloud.cbm8bit.com/jim_64/final%20sticker%20sheet.pdf" target="_blank">Sticker sheet for decorating your VR64 goggles</a></span><br />
<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;"><a href="http://cloud.cbm8bit.com/jim_64/final%20disk%20labels.pdf" target="_blank">Sticker sheet for Street Defender disk labels</a></span></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;"><a href="https://csdb.dk/release/index.php?id=174041" target="_blank">c64 disk image of "Street Defender" game - can be played without VR goggle too, but looks funny.</a></span></div>
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jim_64http://www.blogger.com/profile/02106760000545867514noreply@blogger.com22tag:blogger.com,1999:blog-5921567359470862807.post-54161935680341604032016-10-20T21:16:00.001-07:002016-10-20T21:27:34.373-07:0010 Line BASIC game programming contest<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiTDN4S4cSCr4owNPc16ecjNDrF4v0v8GR1z5uSJeG59jlousZKxbQcPY4qnOQG4MkbVP9UhqvOmKBRLCkm7faq04uc9g9YB-tz-vwh-iKwUdJVY-gjpB4v34F5_DOb1-2Cu5yT3Ehi7fDI/s1600/contest.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="289" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiTDN4S4cSCr4owNPc16ecjNDrF4v0v8GR1z5uSJeG59jlousZKxbQcPY4qnOQG4MkbVP9UhqvOmKBRLCkm7faq04uc9g9YB-tz-vwh-iKwUdJVY-gjpB4v34F5_DOb1-2Cu5yT3Ehi7fDI/s320/contest.png" width="320" /></a></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">So I entered this contest earlier this year. The challenge was to create the best game with just 10 lines of BASIC code for any old 8-bit computer.</span></div>
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<span style="font-family: "trebuchet ms" , sans-serif;"><a href="http://gkanold.wixsite.com/homeputerium/basic-tenliners-2016">http://gkanold.wixsite.com/homeputerium/basic-tenliners-2016</a></span></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">How hard can that be? BASIC is like a second language to me. Well I had no idea how </span><span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">how hard it would be to get some simple functionality and how </span><span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">much time I would ultimately spend on this!</span></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">My entry is called "10 RUN 10:AN ENDLESS RUNNER". (Get it? 10 RUN 10 would be an endless BASIC loop.) It is inspired by the simple endless runner game that the Chrome browser plays when you have no Internet connection.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjzzFXY_95Q-M6cP8ESVKwhvXf-hVxmZ1lXls5dilOSRYaB7xoWhdGVXRr39T2RMXrUbnbsKv4BI33pI2t54o6q9bggEqbnLVbM-SHbu-TN-Wnd3PiPlkqJp5pIUSZ6uMisV1zr8V11sAHd/s1600/google+dino.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="180" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjzzFXY_95Q-M6cP8ESVKwhvXf-hVxmZ1lXls5dilOSRYaB7xoWhdGVXRr39T2RMXrUbnbsKv4BI33pI2t54o6q9bggEqbnLVbM-SHbu-TN-Wnd3PiPlkqJp5pIUSZ6uMisV1zr8V11sAHd/s320/google+dino.png" width="320" /></a></div>
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<a href="http://thenextweb.com/google/2014/09/25/googles-latest-chrome-build-hidden-game-can-play-offline/#gref"><span style="font-family: "trebuchet ms" , sans-serif;">h</span><span style="font-family: "trebuchet ms" , sans-serif;">ttp://thenextweb.com/google/2014/09/25/googl<span style="background-color: white;">es-latest-chrome-build-hidden-game-can-play-offline/#gref</span></span></a></div>
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<span style="background-color: white; font-family: "trebuchet ms" , sans-serif;"><span style="font-size: large; text-align: start;">My entry... </span><br style="text-align: start;" /><br style="text-align: start;" /><i><span style="font-size: large; font-weight: bold;">10 RUN10:AN ENDLESS RUNNER GAME</span><span style="font-size: large; text-align: start;"> </span></i><br style="text-align: start;" /><br style="text-align: start;" /><span style="font-size: large; text-align: start;"><u>Synopsis </u></span><br style="text-align: start;" /><span style="font-size: large; text-align: start;">You run so fast, people say you flash. But on this green field, you have to be careful to jump over the rock boulders and duck under the deadly black birds. How many strides can you score </span><span style="font-size: large;"><span style="text-align: start;">while staying alive? </span><br style="text-align: start;" /><br style="text-align: start;" /><span style="text-align: start;"><u>Features </u></span></span></span></div>
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<li style="text-align: left;"><span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">c64, VIC 20 and PET versions</span></li>
<li style="text-align: left;"><span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">Space bar to start</span></li>
<li style="text-align: left;"><span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">Joystick up to jump, down to duck (port 2 on c64, 1 and 0 on PET keyboard)</span></li>
<li style="text-align: left;"><span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">Two jump lengths</span></li>
<li style="text-align: left;"><span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">Two "waves" of obstacles (second wave starts at score of 255)</span></li>
<li style="text-align: left;"><span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">Four different death scenes</span></li>
<li style="text-align: left;"><span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">High score</span></li>
<li style="text-align: left;"><span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">Mega jump straight from ducking to jump (useful in the second wave where the objects can be very close together) </span></li>
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<span style="background-color: white; font-family: "trebuchet ms" , sans-serif;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhAsEmDZdgwAzL-ozvMtYzhKdSeR_ZdVdyj2UC_9a6wbPmdVz4dfYe0syOjK6MO7ZxcGOjlT62mpgYGy1CFjM32e0-rWO-WJ6WDBayYePXd42R31BqC6ykejN9DEtBbodV4ADu8FqNsuqdg/s1600/c64_dead.png" imageanchor="1"><img border="0" height="205" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhAsEmDZdgwAzL-ozvMtYzhKdSeR_ZdVdyj2UC_9a6wbPmdVz4dfYe0syOjK6MO7ZxcGOjlT62mpgYGy1CFjM32e0-rWO-WJ6WDBayYePXd42R31BqC6ykejN9DEtBbodV4ADu8FqNsuqdg/s320/c64_dead.png" width="320" /></a></span></div>
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<span style="font-family: "trebuchet ms" , sans-serif;">commodore 64<span style="background-color: white;"> version</span></span></div>
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<span style="background-color: white; font-family: "trebuchet ms" , sans-serif;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhBGMbuCbwkQPhXcAZh3kVXKUTb4a2k99MuMFbNwu5WIU6GwcDK-yddediUUoZKs-tkRbc84OgcbWhe0b7XLNSTYVBNkYRkvmlJWZGI49I6yuXuw7KQaAF1mtVtkiTk6i5vgMA16cYe2FM_/s1600/vic_run.png" imageanchor="1"><img border="0" height="194" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhBGMbuCbwkQPhXcAZh3kVXKUTb4a2k99MuMFbNwu5WIU6GwcDK-yddediUUoZKs-tkRbc84OgcbWhe0b7XLNSTYVBNkYRkvmlJWZGI49I6yuXuw7KQaAF1mtVtkiTk6i5vgMA16cYe2FM_/s320/vic_run.png" width="320" /></a></span></div>
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<span style="background-color: white;"><span style="font-family: "trebuchet ms" , sans-serif;">VIC 20 version</span></span></div>
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<span style="background-color: white; font-family: "trebuchet ms" , sans-serif;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhD_4_Bx4CURc3WVZMSHRKoc9OO5pGj13UC33FZmwp9m-5pDBOcXdM0RQUSazqkoKmU7OaqZXegxWBS-EIPReKVVN-slpbqv3DzMvSIK7zy-Iswz_6I4O0o5HbYwDPmnBZNxFiKVsfyGVe5/s1600/PET_DEAD_3.png" imageanchor="1"><img border="0" height="221" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhD_4_Bx4CURc3WVZMSHRKoc9OO5pGj13UC33FZmwp9m-5pDBOcXdM0RQUSazqkoKmU7OaqZXegxWBS-EIPReKVVN-slpbqv3DzMvSIK7zy-Iswz_6I4O0o5HbYwDPmnBZNxFiKVsfyGVe5/s320/PET_DEAD_3.png" width="320" /></a></span></div>
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<span style="background-color: white; font-family: "trebuchet ms" , sans-serif;">PET 2001-8N Version</span></div>
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<span style="background-color: white; font-size: large;"><b><i><span style="font-family: "trebuchet ms" , sans-serif;">PLAY THE </span><span style="font-family: "trebuchet ms" , sans-serif;">VIC 20 VERSION ON-LINE!</span></i></b></span></div>
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<span style="background-color: white;"><span style="font-family: "trebuchet ms" , sans-serif;">Space to start, Cursor Up / Down for Jump / Duck</span></span></div>
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<span style="font-family: "trebuchet ms" , sans-serif;"><a href="https://www.mdawson.net/vic20chrome/vic20.php?load=http://cloud.cbm8bit.com/jim_64/10rU10-vic-tp-s.prg">https://www.mdawson.net/vic20chrome/vic20.php?load=http://cloud.cbm8bit.com/jim_64/10rU10-vic-tp-s.prg</a></span></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;"><span style="background-color: white;">I first wrote this f</span>or the commodore 64. Then I 'ported' it to its predecessor, the commodore VIC-20. It was so much better on the VIC-20! I was using the PETSCII graphic symbols so they looked much larger on the VIC-20's 22 character wide screen. It also ran faster, probably due to the less characters it needed to repaint each cycle. I actually had to add a delay! This is a 1MHz 8-bit processor running an interpreted language! (I also created a PET 2001 version for kicks but it's quite slow)</span></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">Here's an image of the VIC 20 program listing. I entered the</span></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">PUR-80 part of the contest, so each line could only be a maximum of 80 characters. However, you are allowed to use shortcuts for the keywords to get more to fit. Honest, these all fit when the commands are shortcuts!</span></div>
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<a href="http://cloud.cbm8bit.com/jim_64/listing.png"><span style="font-family: "trebuchet ms" , sans-serif; font-size: large;"><img alt="Program listing" border="0" height="303" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEij2B-VsNkAV0YbVKA9u3a3Vd6djuT1Q1f0OgqlnazhPONqlRF3VJQpE4KiTEFIscWL6exeBxmHnSkrco04-2tD7Xy_gkGOK7lBdn5DQRGQhUlpv8LLPcQIyeVCwCthwJyJRW36kM6D9lSF/s400/listing.png" width="400" /></span></a></div>
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<span style="font-family: "trebuchet ms" , sans-serif;"><a href="http://cloud.cbm8bit.com/jim_64/listing.png">Full size view of program listing</a></span><br />
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;"><b><i>Contest Results??</i></b></span><br />
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">I got 5th place!! I was very happy with that.</span><br />
<span style="font-family: "trebuchet ms" , sans-serif; font-size: medium;"><a href="http://gkanold.wixsite.com/homeputerium/results-2016">http://gkanold.wixsite.com/homeputerium/results-2016</a></span><br />
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">We'll see if I do this again next year...</span><br />
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: medium;"><b>Downloads / Online discussion links</b></span><br />
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: medium;">Here's the files in a .d64 format if anyone wants to try any these on their equipment / emulators.</span><br />
<span style="font-family: "trebuchet ms" , sans-serif; font-size: small;"><a href="http://cloud.cbm8bit.com/jim_64/10%20line%202016%20-%20VIC%2020%20-%20c64%20-%20PET%202001-8N.d64">http://cloud.cbm8bit.com/jim_64/10%20line%202016%20-%20VIC%2020%20-%20c64%20-%20PET%202001-8N.d64</a></span><br />
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: medium;">If your loading from tape on the VIC 20, use this file (and leave the play but</span><span style="font-family: "trebuchet ms" , sans-serif; font-size: medium;">ton pressed down after the load)</span><br />
<span style="font-family: "trebuchet ms" , sans-serif; font-size: small;"><a href="http://cloud.cbm8bit.com/jim_64/10rU10-vic-tap-p.prg">http://cloud.cbm8bit.com/jim_64/10rU10-vic-tap-p.prg</a></span><br />
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: medium;">(For those true commodore geeks)</span><br />
<span style="font-family: "trebuchet ms" , sans-serif; font-size: medium;">Obligatory CSDB entry...</span><br />
<span style="font-family: "trebuchet ms" , sans-serif;"><a href="http://csdb.dk/release/?id=150281">http://csdb.dk/release/?id=150281</a></span><br />
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<span style="font-family: "trebuchet ms" , sans-serif;"><span style="font-size: medium;">Lemon discussions start at...</span></span><br />
<span style="font-family: "trebuchet ms" , sans-serif;"><span style="font-family: "trebuchet ms" , sans-serif; font-size: small;"><a href="http://www.lemon64.com/forum/viewtopic.php?p=725863#725863">http://www.lemon64.com/forum/viewtopic.php?p=725863#725863</a></span></span></div>
jim_64http://www.blogger.com/profile/02106760000545867514noreply@blogger.com0tag:blogger.com,1999:blog-5921567359470862807.post-5913599399161845372015-09-12T21:53:00.001-07:002018-03-29T21:17:53.359-07:00<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiIwlb8Ti1jrmvNhPSS7SsHyuQxZ__CzL9c1jhf0TJQ3cbpsVZQdDU-rvsfwuPeS8-s7AqQCJ51lFmwexpspAk0Q4BqrGMv7kdEfESQCItLegYKPTvmix094cbyWs_YA-I313ZWr-xxI7Zp/s1600/cos+2015.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: "trebuchet ms" , sans-serif; font-size: large;"><img border="0" height="143" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiIwlb8Ti1jrmvNhPSS7SsHyuQxZ__CzL9c1jhf0TJQ3cbpsVZQdDU-rvsfwuPeS8-s7AqQCJ51lFmwexpspAk0Q4BqrGMv7kdEfESQCItLegYKPTvmix094cbyWs_YA-I313ZWr-xxI7Zp/s400/cos+2015.jpg" width="400" /></span></a></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;"><b>cOS has been released for the commodore 64!</b></span></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">This project started as a simple experiment to see if I could create a "modern" looking graphical user interface for the commodore 64.</span></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">Once I got the basic user interface working, I decided to add an optional touch screen. It pretty much works! Of course cOS can still be operated by a standard joystick or the cursor keys.</span></div>
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<iframe allowfullscreen="" class="YOUTUBE-iframe-video" data-thumbnail-src="https://i.ytimg.com/vi/l6mx7cjltsI/0.jpg" frameborder="0" height="266" src="https://www.youtube.com/embed/l6mx7cjltsI?feature=player_embedded" width="320"></iframe></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">I then decided to create a Test / Demo 5.25" disk that would have a similar feel as a basic tablet. I ended up adding pictures, songs, games, and some typical iPad style apps. These disks only hold 170k of data! So, I used a 80's disk notcher to make a "flippy" 2-sided disk. I then had a whopping 340k of space to fill up.</span></div>
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<iframe allowfullscreen="" class="YOUTUBE-iframe-video" data-thumbnail-src="https://i.ytimg.com/vi/CXqaTiP6VaE/0.jpg" frameborder="0" height="266" src="https://www.youtube.com/embed/CXqaTiP6VaE?feature=player_embedded" width="320"></iframe></div>
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<span style="font-family: "trebuchet ms" , sans-serif; font-size: large; text-align: center;">The iPad style apps are mostly gags for fun. Yes, there are real internet programs for the commodore 64 (IRC clients, twitter client, contiki web browser, etc.) but they are typically large and require specific hardware. Who could resist Microsoft's insistence that I include IE 6 (running on Windows 9)! There's also a cBooks app that links to all the books you'll need. Of course these devices need a sassy assistant. I pulled together some 80's technology to create SAM-Siri.</span></div>
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<iframe allowfullscreen="" class="YOUTUBE-iframe-video" data-thumbnail-src="https://i.ytimg.com/vi/PvR3aUNIZyA/0.jpg" frameborder="0" height="266" src="https://www.youtube.com/embed/PvR3aUNIZyA?feature=player_embedded" width="320"></iframe></div>
<span style="font-family: "trebuchet ms" , sans-serif; font-size: large; text-align: center;"><br /></span><span style="text-align: center;"><span style="font-family: "trebuchet ms" , sans-serif; font-size: large;">If you have a real commodore 64 or want to try it out in an emulator, here are links to the disk images for sides A and B of the Test/Demo disk.</span></span><br />
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<span style="text-align: center;"><span style="font-family: arial, helvetica, sans-serif;"><b><a href="http://csdb.dk/getinternalfile.php/141720/cOSv1.zip">http://csdb.dk/getinternalfile.php/141720/cOSv1.zip</a></b></span></span><br />
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jim_64http://www.blogger.com/profile/02106760000545867514noreply@blogger.com14