User contributions for Ulfalizer

11 April 2013

• 13:2313:23, 11 April 2013 diff hist −24‎ m CPU interrupts ‎ Not sure if the signal status is actually queried at that point, so just say "determines", as that has been verified down to the tick
• 13:2113:21, 11 April 2013 diff hist +143‎ CPU interrupts ‎ Add link to page on visual6502.org that covers the interrupt hijacking quirk
• 13:1913:19, 11 April 2013 diff hist −154‎ CPU interrupts ‎ Remove some redundancy
• 13:1013:10, 11 April 2013 diff hist +1,018‎ CPU interrupts ‎ Add tick-by-tick execution profiles for IRQ and NMI
• 10:0510:05, 11 April 2013 diff hist +166‎ CPU interrupts ‎ Add note about the B flag
• 09:5509:55, 11 April 2013 diff hist +32‎ Emulator tests ‎ Add link to 'CPU interrupt quirks' page
• 09:5009:50, 11 April 2013 diff hist +6‎ m CPU interrupts ‎ s/IRQ/interrupt/ to be clearer
• 09:4809:48, 11 April 2013 diff hist +31‎ m CPU interrupts ‎No edit summary
• 09:4709:47, 11 April 2013 diff hist −5‎ m CPU interrupts ‎ Reword a bit
• 09:3809:38, 11 April 2013 diff hist +1‎ m CPU interrupts ‎ Fix typo
• 09:3809:38, 11 April 2013 diff hist +159‎ CPU interrupts ‎ Add note on interrupt internals
• 09:3409:34, 11 April 2013 diff hist +33‎ CPU interrupts ‎ Add link to 6502_cpu.txt for instruction cycle breakdown
• 09:2909:29, 11 April 2013 diff hist +169‎ CPU interrupts ‎ Minor rewording and more notes
• 09:2009:20, 11 April 2013 diff hist +27‎ CPU ‎ Link the newly created "CPU interrupt quirks" page
• 09:1909:19, 11 April 2013 diff hist +2,601‎ N CPU interrupts ‎ Created page with "== Interrupt hijacking == The MOS 6502 and by extension the 2A03/07 has a quirk that can cause one type of interrupt to partially hijack another type if they occur very close..."
• 07:5607:56, 11 April 2013 diff hist +196‎ PPU frame timing ‎ Clarify why the suppression behavior occurs

10 April 2013

• 02:5102:51, 10 April 2013 diff hist +250‎ Talk:CPU pinout ‎No edit summary
• 02:4402:44, 10 April 2013 diff hist +63‎ CPU pinout ‎ Make the M2/φ0 connection explicit. (It can be inferred, but I think I would have missed it, so putting it in.)
• 02:2402:24, 10 April 2013 diff hist +349‎ Talk:CPU pinout ‎No edit summary
• 01:0501:05, 10 April 2013 diff hist +379‎ Talk:CPU pinout ‎No edit summary
• 00:2800:28, 10 April 2013 diff hist +190‎ CPU pinout ‎ Clarify that M2 is approximately the internal CPU clock

9 April 2013

• 23:4823:48, 9 April 2013 diff hist +95‎ PPU frame timing ‎ Clarify the timing diagram
• 00:1300:13, 9 April 2013 diff hist +92‎ PPU frame timing ‎ Skipped tick still occurs if sprites are enabled but not bg, so use "rendering" to be clearer

8 April 2013

• 23:4523:45, 8 April 2013 diff hist +412‎ N Talk:PPU frame timing ‎ Created page with "<pre> PPU 29780.7 29780.7 29780.7 29780.7 -C--P-------C--P-------C-P-------CP-------* CPU 29781 29781 29781 29781 * The above synchronizatio..."
• 23:4423:44, 8 April 2013 diff hist +155‎ PPU frame timing ‎ Clarify how the CPU/PPU clock synchronization works
• 23:3223:32, 8 April 2013 diff hist +384‎ PPU frame timing ‎ Clarify the first paragraph of CPU-PPU Clock Alignment

7 April 2013

• 04:0004:00, 7 April 2013 diff hist −96‎ PPU palettes ‎ Make description a bit less awkward. (It's still pretty awkward though.)
• 03:5003:50, 7 April 2013 diff hist +6‎ m PPU palettes ‎No edit summary
• 03:4803:48, 7 April 2013 diff hist +396‎ PPU palettes ‎ Add some internal details related to disabling background and sprite rendering and restructure things a bit
• 03:1303:13, 7 April 2013 diff hist +223‎ PPU palettes ‎ Clarify where the backdrop color is used.
• 02:0202:02, 7 April 2013 diff hist −76‎ PPU OAM ‎ Merge the notes into the description of byte 2

6 April 2013

• 22:0822:08, 6 April 2013 diff hist +377‎ PPU rendering ‎ Clarify rendering and sprite zero timing.
• 17:2117:21, 6 April 2013 diff hist 0‎ File:Ntsc timing.png ‎ Ulfalizer uploaded a new version of "File:Ntsc timing.png": Shifter reload ticks were off by one.
• 17:2017:20, 6 April 2013 diff hist 0‎ File:Ppu.svg ‎ Ulfalizer uploaded a new version of "File:Ppu.svg": Shifter reload ticks were off by one.

5 April 2013

• 23:1423:14, 5 April 2013 diff hist +2,545‎ Talk:PPU rendering ‎No edit summary
• 00:3900:39, 5 April 2013 diff hist +394‎ PPU OAM ‎ Clarify internal operation and timing of DMA.

2 April 2013

• 14:3614:36, 2 April 2013 diff hist +309‎ PPU ‎ Add note on PPU/CPU clocks. I somehow got the idea that the CPU and PPU could "drift" when I was starting out.
• 14:2014:20, 2 April 2013 diff hist +9‎ Game bugs ‎ Fix link to tricky-to-emulate games section
• 14:1814:18, 2 April 2013 diff hist −13‎ PPU sprite priority ‎ Fix link to hard-to-emulate games section for SMB3
• 14:1514:15, 2 April 2013 diff hist +32‎ PPU nametables ‎ Clarify that the CIRAM is not stored inside the PPU but uses its own chip
• 14:0614:06, 2 April 2013 diff hist +10‎ Tricky-to-emulate games ‎ Add reg mnemonic
• 13:5813:58, 2 April 2013 diff hist +75‎ NES reference guide ‎ Add link to Game bugs page
• 13:5513:55, 2 April 2013 diff hist +135‎ Talk:Emulator tests ‎No edit summary
• 13:5513:55, 2 April 2013 diff hist −4,637‎ Emulator tests ‎ Remove hard-to-emulate games section as it has been moved to its own page
• 13:5313:53, 2 April 2013 diff hist +30‎ NES reference guide ‎ Add link to Tricky-to-emulate games page in preparation for moving the section out of Emulator tests
• 13:5013:50, 2 April 2013 diff hist +4,697‎ N Tricky-to-emulate games ‎ Create page in preparation for moving the hard-to-emulate games section

1 April 2013

• 20:2020:20, 1 April 2013 diff hist +270‎ Talk:Emulator tests ‎No edit summary
• 11:4911:49, 1 April 2013 diff hist +136‎ Emulator tests ‎ Clarify Balloon Fight entry
• 11:4311:43, 1 April 2013 diff hist +385‎ Emulator tests ‎ Add Bill & Ted's Excellent Adventure to hard-to-emulate games
• 11:3211:32, 1 April 2013 diff hist +47‎ Emulator tests ‎ Battletoads also requires a decent sprite zero implementation