User contributions for Zerozillion

15:1915:19, 3 January 2009 diff hist +121 N CPU New page: == CPU == Short for '''C'''entral '''P'''rocessing '''U'''nit. In case of the Commodore 64, the used CPU is a 6510.
15:1815:18, 3 January 2009 diff hist +62 Processor status flag No edit summary
15:1115:11, 3 January 2009 diff hist 0 N File:statusregister.jpg No edit summary current
15:0415:04, 3 January 2009 diff hist +1,207 N Processor status flag New page: == Processor status flag == The 6510 CPU has an internal status register that consists of seven status flags. These flags are set or unset by the processor to give information about ...

18:2018:20, 2 January 2009 diff hist +46 raster time No edit summary
17:4717:47, 2 January 2009 diff hist +55 Machine cycle No edit summary
17:4517:45, 2 January 2009 diff hist −8 raster time No edit summary
17:4417:44, 2 January 2009 diff hist 0 raster time No edit summary
17:4317:43, 2 January 2009 diff hist +16 raster time No edit summary
17:4117:41, 2 January 2009 diff hist −4 Machine cycle No edit summary
17:4117:41, 2 January 2009 diff hist +15 Machine cycle No edit summary
17:3917:39, 2 January 2009 diff hist +2,146 N raster time New page: '''Raster time''' equals the duration it takes the VIC-II to put a byte of graphic data (=8 pixels/bits) onto the screen and is measured in horizontal lines or CPU cycles. Raster tim...
17:3517:35, 2 January 2009 diff hist +22 Machine cycle No edit summary
17:3417:34, 2 January 2009 diff hist +1,022 N Machine cycle New page: A '''machine cycle''' (CPU cycle) is the time the processor takes to execute one machine language command. During one machine cycle the processor executes at least two steps, fetch(data)...

18:0418:04, 31 December 2008 diff hist +8 SID No edit summary
18:0218:02, 31 December 2008 diff hist +1,554 SID No edit summary
16:4316:43, 31 December 2008 diff hist 0 User talk:Jodigi No edit summary
16:4216:42, 31 December 2008 diff hist +353 User talk:Jodigi No edit summary
16:3516:35, 31 December 2008 diff hist +45 Control Port No edit summary
16:3316:33, 31 December 2008 diff hist +4 Control Port No edit summary
16:3116:31, 31 December 2008 diff hist +1 Control Port No edit summary
16:3016:30, 31 December 2008 diff hist +39 Control Port No edit summary
16:2816:28, 31 December 2008 diff hist +110 Control Port No edit summary
16:2016:20, 31 December 2008 diff hist +1,626 Control Port No edit summary
15:5615:56, 31 December 2008 diff hist +12 Control Port No edit summary
15:4315:43, 31 December 2008 diff hist +1,624 N Control Port New page: The Commodore 64 has two control ports on the rightmost side for attaching peripherial devices like joysticks, paddles or a mouse. Internally the control ports are not read by dedicated i...
00:1200:12, 31 December 2008 diff hist +1 Opcode No edit summary
00:1100:11, 31 December 2008 diff hist +492 N Opcode New page: Opcode (short for Operation code) are used when programming machine language. examples: INY is the opcode for INcrease Y register. NOP is the opcode for NO oPeration. There are 56 ...

23:5323:53, 30 December 2008 diff hist −14 Mnemonic No edit summary
23:5123:51, 30 December 2008 diff hist +783 N Mnemonic New page: '''Mnemonic''' (comes from greek mnēmoniká „memory“) ---- Program codes in machine language are a list of bit structures (0 & 1) build from op(eration)codes and the associated d...

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