Search results
Jump to navigation
Jump to search
- ...ks without reset. It may be possible to get past this limitation using 68k interrupts but its doubtful. It appears while DMA is working the 68k has no access to ...887 bytes (168 words) - 18:03, 1 March 2014
- ...dly but it also means the code is interrupt safe. [[Timer interrupt|Raster interrupts]] writing to VRAM might conflict with VRAM writes in the main program. Als ...1 KB (195 words) - 00:28, 23 September 2017
- |rowspan="3"|Normally reserved but used on the NeoGeo CD. See [[68k interrupts]]. |Level 1 [[68k interrupts|interrupt]] autovector ...5 KB (706 words) - 16:01, 30 July 2018
- *Acknowledge [[Z80 interrupts|NMI]] ...1 KB (210 words) - 09:19, 28 January 2024
- ...controller used in CD systems, also known as "PUPPET". Handles DMA, [[68k interrupts]] and communication with the [[LC89515]]. It was later replaced by a {{Chip ...68k interrupts|interrupt]] controller is used to generate the new vectored interrupts needed by the CD systems. DMA is used to copy each CD sector into [[68k use ...5 KB (594 words) - 14:06, 24 January 2021
- Don't forget to mask out all interrupts as soon as an exception is raised: ...2 KB (312 words) - 00:37, 27 August 2017
- ...g any value to {{Reg|REG_DIPSW|REG_DIPSW}} (to "kick" the watchdog). [[68k interrupts|VBlank]] routines typically take care of this task, so care has to be taken ...2 KB (333 words) - 20:16, 9 May 2019
- All 3 possible [[68k interrupts]] are generated by this chip. ...2 KB (413 words) - 01:10, 8 July 2018
- move.b d0,$300001 ;Watchdog kick, interrupts are disabled ? ...3 KB (475 words) - 16:07, 10 July 2019
- Simply because the GPU generates the video sync and [[68k interrupts|vertical blank interrupt]]. If it is overclocked, the [[framerate]] will ri ...3 KB (511 words) - 17:16, 13 March 2017
- ...ER_MODE}} to 0 during operations, and don't forget to kick the watchdog as interrupts are disabled. ...4 KB (623 words) - 02:36, 21 October 2017
- |[[68k interrupts|Interrupt]] acknowledge. |Enables Vector 22 interrupts. NeoRaine calls load_files. ...14 KB (1,969 words) - 08:55, 9 October 2023
- This will also set up the [[68k interrupts|v-blank interrupt]] vector to a label called '''VBLANK'''. Our v-blank handler is the simplest there could be. Don't forget that interrupts can happen at any time during normal program flow, if registers have to be ...19 KB (3,146 words) - 17:08, 31 May 2017
- =Interrupts= ...4 KB (693 words) - 08:21, 28 January 2024
- The [[68k interrupts|vertical blank]] lasts exactly 40 lines * 384 pixels * 2 cycles per pixel = ...20 KB (2,330 words) - 16:44, 25 November 2018
- F000: 0F sei ;disable interrupts F055: 0E cli ;enable interrupts ...34 KB (5,455 words) - 20:36, 2 March 2019
- Games have their [[68k interrupts|v-blank]] interrupt code patched to allow going back to the game list menu ...14 KB (2,189 words) - 13:15, 12 September 2020