[{"element_type":"alert","content":"\u003cp\u003eAlways uses a HUGE overclock to 378MHz. Understand the consequences before overclocking your fruit jam!\u003c/p\u003e","metadata":{"class":"element alert-element build-alert alert-danger","markdown":"Always uses a HUGE overclock to 378MHz. Understand the consequences before overclocking your fruit jam!\n\n","alert_type":"danger"}},{"element_type":"text","content":"\n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n        \u003cp\u003eHDMI output only supports a subset of all modes documented in README:\u003c/p\u003e\n\u003cul\u003e\n\u003cli\u003eTEXTMODE_80x25_COLOR (rendered as 320x150 with chunky 4x6 characters)\u003c/li\u003e\n\u003cli\u003eCGA 320x200x4 including a \"BW\" variant\u003c/li\u003e\n\u003cli\u003eComposite 160x200x16 including a \"force\" variant\u003c/li\u003e\n\u003cli\u003eTGA 160x200x16\u003c/li\u003e\n\u003cli\u003eTGA 320x200x16\u003c/li\u003e\n\u003cli\u003eVGA 320x200x256 (including a \"x256x4\" variant, probably the famous \"X mode\")\u003c/li\u003e\n\u003cli\u003eEGA 320x200x16x4\u003c/li\u003e\n\u003c/ul\u003e\n      \n\n\n\n\n\n\n\n\n\n\n\n\n\n","metadata":{}},{"element_type":"text","content":"\n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n        \u003cp\u003eBooting a floppy:\u0026nbsp;\u003c/p\u003e\n\u003cp\u003eGrab a compatible floppy, I used the file from \u003ca href=\"https://archive.org/details/dos3.3_201801\" target=\"_blank\"\u003e MS-DOS 3.3 - Working Copy With Utilities \u003c/a\u003e direct link is \u003ca href=\"https://archive.org/download/dos3.3_201801/DOS%203.3%20Working.img\"\u003eDOS 3.3 Working.img\u003c/a\u003e\u003c/p\u003e\n\u003cp\u003eCreate a directory \"XT\" on the SD card\u003c/p\u003e\n\u003cp\u003ePut this in the \"XT\" directory and rename to \"fdd0.img\"\u003c/p\u003e\n\u003cp\u003eIt should also be possible to create the following image names: fdd1.img hdd0.img hdd1.img\u003c/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c/p\u003e\n\u003cp\u003eI made a bootable floppy based on\u003c/p\u003e\n\u003cp\u003e\u003ca href=\"https://archive.org/download/msdos_VGAFUN_shareware\"\u003ehttps://archive.org/download/msdos_VGAFUN_shareware\u003c/a\u003e\u003c/p\u003e\n\u003cp\u003eIt's temporarily at\u0026nbsp;\u003c/p\u003e\n\u003cp\u003e\u003ca href=\"https://media.unpythonic.net/emergent-files/sandbox/mario-joust.img\"\u003ehttps://media.unpythonic.net/emergent-files/sandbox/mario-joust.img\u003c/a\u003e\u003c/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c/p\u003e\n\u003cp\u003eput this on the device as fdd0 and you can run a bad port of joust or mario (the arcade ones with the pipes)\u003c/p\u003e\n      \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n","metadata":{}},{"element_type":"text","content":"\n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n        \u003cp\u003emy fave, commander keen, doesn't work. It probably uses an unsupported EGA mode such as 640x350.\u003c/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c/p\u003e\n      \n\n\n\n\n\n\n\n\n\n\n\n\n","metadata":{}},{"element_type":"text","content":"\n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n        \u003cp\u003eSome images from the makers of pico-286 at \u003ca href=\"https://murmulator.ru/pico-xt\"\u003ehttps://murmulator.ru/pico-xt\u003c/a\u003e:\u0026nbsp;\u003ca href=\"https://file.murmulator.ru/data/flash-cross/pico-xt/hdd.img.zip\"\u003ehttps://file.murmulator.ru/data/flash-cross/pico-xt/hdd.img.zip\u003c/a\u003e \u0026nbsp;\u003ca href=\"https://file.murmulator.ru/data/flash-cross/pico-xt/Images.zip\"\u003ehttps://file.murmulator.ru/data/flash-cross/pico-xt/Images.zip\u003c/a\u003e\u003c/p\u003e\n      \n\n\n\n\n\n\n\n\n\n\n\n\n","metadata":{}},{"element_type":"text","content":"\n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n        \u003cp\u003eunzip hdd.img to (SD CARD)\\XT\u003c/p\u003e\n\u003cp\u003etake dos500a.IMA from Images.zip and rename it \"fdd0.img\" (must remove IMA extension and change it to img)\u003c/p\u003e\n\u003cp\u003enow you can go \"c:\" \"cd games\" \"dir\" and see if any games work (most don't)\u003c/p\u003e\n\u003cp\u003ekeen4c: works! CGA graphics only\u003c/p\u003e\n\u003cp\u003e\"qbasic\" - \"gorilla.bas\" works!\u003c/p\u003e\n\u003cp\u003e\"cd sbplay\" \"test\" works (plays a wave file)\u003c/p\u003e\n\u003cp\u003e\"cd adlib\" \"jukebox\" works, plays polyphonic audio\u003c/p\u003e\n\u003cp\u003e\"cd games\\kq4\" - kinda runs, audio sounds bad (clipping?), video is CGA(?) or palette is wrong\u003c/p\u003e\n\u003cp\u003e\"cd games\\sq3\" - runs better than kq4, still CGA, audio still not great\u003c/p\u003e\n\u003cp\u003e\"cd games\" \"digger\" - runs OK, but constant background hum\u003c/p\u003e\n\u003cp\u003etest drive - select EGA mode. seems to work? but with vertical artifacts everywhere. didn't figure out controls. a/z shift \u0026amp; repeatedly tapping left/right/up/down to accelerate/turn/etc?? (may be that kbd repeat function is not implemented)\u003c/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c/p\u003e\n\u003chr\u003e\n\u003cp\u003enu - norton utilities - kinda works but all text flashes!\u003c/p\u003e\n\u003cp\u003edosmid - test.bat - sounds baaaaaaad\u003c/p\u003e\n\u003cp\u003elemmings - graphics scrambled\u0026nbsp;\u003c/p\u003e\n\u003cp\u003ewolf3d - graphics scrambled\u003c/p\u003e\n\u003cp\u003ehero quest - promising intro screen with cool audio but I couldn't successfully enter the game\u003c/p\u003e\n\u003cp\u003emidiplay - doesn't work (plays brief static)\u003c/p\u003e\n      \n\n\n\n\n\n\n\n\n\n\n","metadata":{}},{"element_type":"text","content":"\n  \n        \u003cp\u003eminix 286 2.2: doesn't start booting (black screen w/cursor)\u003c/p\u003e\n\u003cp\u003eminix 286 2.0: glitches after pressing \"=\" to boot \u003ca href=\"http://download.minix3.org/previous-versions/Intel-2.0.0/i86/\"\u003ehttp://download.minix3.org/previous-versions/Intel-2.0.0/i86/\u003c/a\u003e doesn't start\u003c/p\u003e\n\u003cp\u003e\u003ca href=\"https://archive.org/details/xenix_2_2\"\u003ehttps://archive.org/details/xenix_2_2\u003c/a\u003e reaches boot prompt, but can't continue (tried instructions at \u003ca href=\"http://bitsavers.informatik.uni-stuttgart.de/pdf/sco/system_V_2.x/2.3.2/XG-5-16-88-5.0_XENIX_2.3_Installation_May88.pdf\"\u003ehttp://bitsavers.informatik.uni-stuttgart.de/pdf/sco/system_V_2.x/2.3.2/XG-5-16-88-5.0_XENIX_2.3_Installation_May88.pdf\u003c/a\u003e involving fd(4) and so on)\u003c/p\u003e\n      \n","metadata":{}},{"element_type":"text","content":"\n        \u003ch2\u003emapdrive works sorta!\u003c/h2\u003e\n\u003cp\u003eThis is the way to put files without placing them inside a floppy or hard drive .img. You still need a bootable \"A\" (or maybe C?) drive though! and you have to put settings in config.sys\u003c/p\u003e\n\u003cul\u003e\n\u003cli\u003eput some files and folders in /XT/MAPDRIVE on the SD card\u003c/li\u003e\n\u003cli\u003euse DOS 5.0 (possibly any DOS after 3.3; but probably not 3.0??)\u003c/li\u003e\n\u003cli\u003eset LASTDRIVE=H in config.sys (must reboot after changing config.sys)\u003c/li\u003e\n\u003cli\u003erun mapdrive.com (including from autoexec.bat)\u003c/li\u003e\n\u003cli\u003ecd h:\u003c/li\u003e\n\u003cli\u003edir\u003c/li\u003e\n\u003c/ul\u003e\n\u003cp\u003eNote: \"dir h:\" doesn't work and I couldn't determine why (that's what this screenshot is showing)\u003c/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c/p\u003e\n      ","metadata":{}},{"element_type":"user_image","content":"https://cdn-learn.adafruit.com/user_assets/assets/000/002/002/original/ksnip_20251016-130145.png?1760637748","metadata":{}},{"element_type":"text","content":"\n  \n  \n  \n  \n        \u003cp\u003emost games are glitched\u003c/p\u003e\n      \n\n\n\n","metadata":{}},{"element_type":"user_image","content":"https://cdn-learn.adafruit.com/user_assets/assets/000/002/003/original/ksnip_20251016-131218.png?1760638388","metadata":{}},{"element_type":"user_image","content":"https://cdn-learn.adafruit.com/user_assets/assets/000/001/993/original/vokoscreenNG-2025-10-15_13-05-29-ezgif.com-optimize.gif?1760551691","metadata":{}},{"element_type":"text","content":"\n  \n  \n  \n  \n  \n  \n  \n  \n  \n  \n        \u003cp\u003eUsed resources\u003c/p\u003e\n\u003cul\u003e\n\u003cli\u003euart debug on pin a5\u003c/li\u003e\n\u003cli\u003e\u0026nbsp;HDMI:\n\u003cul\u003e\n\u003cli\u003ePIO0 SM??,?? (PIO via macros PIO_VIDEO, PIO_VIDEO_ADDR; SM via claim_unused_sm)\u003c/li\u003e\n\u003cli\u003eDMA: 4 channels (via claim_unused_channel)\u003c/li\u003e\n\u003cli\u003eDMA_IRQ: 0 (via macro VIDEO_DMA_IRQ)\u003c/li\u003e\n\u003c/ul\u003e\n\u003c/li\u003e\n\u003cli\u003eAudio:\n\u003cul\u003e\n\u003cli\u003ePIO0 SM?? (PIO via i2s_get_default_config, SM via claim_unused_sm)\n\u003cul\u003e\n\u003cli\u003ecan probably go on PIO0\u003c/li\u003e\n\u003c/ul\u003e\n\u003c/li\u003e\n\u003cli\u003eDMA: 1 channel (via claim_unused_channel)\u003c/li\u003e\n\u003cli\u003eDMA_IRQ: none(?) completion via dma_channel_wait_for_finish_blocking\u003c/li\u003e\n\u003c/ul\u003e\n\u003c/li\u003e\n\u003cli\u003epico-pio-usb:\n\u003cul\u003e\n\u003cli\u003ePIO 1 SM 0/1/2\u003c/li\u003e\n\u003cli\u003eDMA: ??\u003c/li\u003e\n\u003cli\u003eDMA_IRQ: ??\u003c/li\u003e\n\u003c/ul\u003e\n\u003c/li\u003e\n\u003c/ul\u003e\n      \n\n\n\n\n\n\n\n\n\n","metadata":{}}]