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- ...'''auto-vectored''' interrupt levels. The CD systems use 6 '''vectored''' interrupts, 3 of which are equivalent to the cartridge system's. Video-related interrupts must to be acknowledged to re-trigger in the future by writing to the regis ...2 KB (299 words) - 23:50, 16 October 2023
- Non Maskable Interrupts are triggered when the {{Chipname|68k}} sends a [[68k/Z80 communication|sou ...622 bytes (97 words) - 21:07, 18 February 2017
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- AES and MVS only. This BIOS routine simply acknowledges [[68k interrupts|hblank]] and sets the [[auto animation]] speed to 64 frames. ...201 bytes (29 words) - 19:18, 3 September 2011
- Command.b/track.b pair in D0. Can hook the [[68k interrupts|VBL interrupt]] for a while, depending on command. ...200 bytes (32 words) - 16:25, 10 July 2019
- move.w #7,REG_IRQACK ; Acknowledge any pending interrupts move.w #$2700,sr ; Disable all interrupts ...1 KB (191 words) - 23:37, 5 April 2012
- ...'''auto-vectored''' interrupt levels. The CD systems use 6 '''vectored''' interrupts, 3 of which are equivalent to the cartridge system's. Video-related interrupts must to be acknowledged to re-trigger in the future by writing to the regis ...2 KB (299 words) - 23:50, 16 October 2023
- ...ultiple times during each frame (every 16 raster lines, by using the [[68k interrupts|raster interrupt]]) to get an average value. *Raster line interrupts ...1 KB (158 words) - 04:14, 26 September 2023
- * [[68k interrupts|Interrupts]] ...1 KB (197 words) - 03:36, 29 January 2016
- The SYSTEM_INT1 call is the [[system ROM]]'s v-blank [[68k interrupts|interrupt]] routine. ...360 bytes (56 words) - 05:28, 28 February 2017
- The timer interrupt is a [[68k interrupts|68k interrupt]] triggered when the 32-bit down-counter internal to [[LSPC]] Like other interrupts, this one needs to be acknowledged with {{Reg|REG_IRQACK}} to trigger again ...2 KB (390 words) - 08:24, 24 March 2019
- Should be called at the end of the [[68k interrupts|VBlank]] interrupt routine. ...465 bytes (71 words) - 12:02, 15 April 2018
- * [[68k]] interrupts latch ? ...433 bytes (59 words) - 02:07, 8 July 2018
- ...n {{Chipname|NEO-C1}} ({{Chipname|NEO-SUD}} in CD systems ?), and an [[Z80 interrupts|NMI]] is triggered in the Z80 if enabled. The value can then be read on the ...the {{Chipname|M1 ROM}} has to be swapped, all sounds need to be stopped, interrupts need to be enabled, $01 needs to be sent back to the 68k and the Z80 has to ...3 KB (474 words) - 05:27, 3 November 2016
- ...s 2 timers called A and B, used to time music playback by triggering [[Z80 interrupts]]. When a timer expires, it is automatically reloaded. If interrupts are enabled, care must be taken to clear the appropriate flag(s) so that th ...2 KB (274 words) - 00:37, 8 August 2021
- Non Maskable Interrupts are triggered when the {{Chipname|68k}} sends a [[68k/Z80 communication|sou ...622 bytes (97 words) - 21:07, 18 February 2017
- * The Sammy logo animation uses the [[68k interrupts#Raster Line Interrupt|RLI interrupt]]. ...918 bytes (139 words) - 00:37, 23 September 2017
- * The [[68k interrupts|Timer interrupt]] routine has VRAM writes which interferes with the VBlank =Interrupts don't work= ...3 KB (478 words) - 19:16, 13 May 2017
- See [[68k memory map]], [[68k interrupts]], [[wait cycle]], [[overclocking]], and [[Links#68k programming|programmin ...875 bytes (120 words) - 18:58, 15 July 2023
- *[[68k interrupts]] ...787 bytes (109 words) - 09:27, 16 December 2011
- * Interrupts are disabled and acknowledged, watchdog is kicked, $4000 in {{Reg|REG_LSPCM * Disable interrupts ...3 KB (455 words) - 23:06, 22 March 2020
- ...[GPU]] during display, updating of the tiles can only be done during [[68k interrupts|vblank]]. ...917 bytes (146 words) - 05:36, 28 October 2015
- *The vertical lines are frame ticks ([[68k interrupts|interrupts]]) given by the video controller, they always occur every 16.7ms (60Hz) ...3 KB (488 words) - 06:17, 24 November 2018
- ...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