documentation/terminology and specifications: Difference between revisions
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{{DISPLAYTITLE: Terminology and Specifications}} | {{DISPLAYTITLE: Terminology and Specifications}} | ||
{| class="wikitable sortable" | {| class="wikitable sortable" | ||
!Term | ! style="width: 15%;" | Term | ||
!Description | !Description | ||
|- | |- | ||
| Line 8: | Line 8: | ||
|- | |- | ||
|ARM60 | |ARM60 | ||
|The ARM CPU used in the 3DO Opera. Retail system runs the CPU at 12.5Mhz (1/4th the main 50Mhz clock) | |The ARM CPU used in the 3DO Opera. Retail system runs the CPU at 12.5Mhz (1/4th the main 50Mhz clock). | ||
|- | |- | ||
|CEL | |CEL | ||
| Line 26: | Line 26: | ||
|- | |- | ||
|AMY | |AMY | ||
| | |||
|- | |||
|Expansion Interface | |||
| | | | ||
|- | |- | ||
| Line 52: | Line 55: | ||
|The name of the proprietary operating system used by the 3DO Opera and later 3DO M2 systems. | |The name of the proprietary operating system used by the 3DO Opera and later 3DO M2 systems. | ||
|- | |- | ||
| | |SlowBus | ||
| | | | ||
|- | |- | ||
| Line 71: | Line 74: | ||
|- | |- | ||
|PPMP | |PPMP | ||
| | |Pen and Palette Manipulation Processor. | ||
|- | |- | ||
|PIXC | |PIXC | ||
| Line 77: | Line 80: | ||
|- | |- | ||
|CCoB | |CCoB | ||
|(sometimes referred to as SCoB) | |CEL Control Block. (sometimes referred to as SCoB, Sprite Control Block) | ||
|- | |- | ||
|Clipping | |Clipping | ||
| Line 125: | Line 128: | ||
|- | |- | ||
|PIN | |PIN | ||
| | |Pen Index Number | ||
|- | |- | ||
|PIP | |PIP | ||
| | |Pen Index Palette | ||
|- | |- | ||
|Regis Filbin | |Regis Filbin | ||
| Line 141: | Line 144: | ||
|SYSRAM | |SYSRAM | ||
| | | | ||
|- | |||
|M25M | |||
|The main system clock. 25Mhz. Coming from the main oscillator divided by 2. | |||
|- | |- | ||
|Tick | |Tick | ||
| | |1 cycle of the main clock, M25M. | ||
|- | |- | ||
|Vick | |Vick | ||
| | |1 period of the video clock, V25M. | ||
|- | |||
|V25M | |||
|The video clock. Nominally 24.5454Mhz. Twice the Pixel Clock. | |||
|- | |||
|Pixel Clock | |||
|Nominally 12.2727MHz. | |||
|- | |||
|MCLK | |||
|The CPU Master Clock of 12.5Mhz. | |||
|- | |- | ||
|RGB444 | |RGB444 | ||
| Line 153: | Line 168: | ||
|RGB555 | |RGB555 | ||
| | | | ||
|- | |||
|VIRS | |||
|Vertical Interval Reference Signal | |||
|} | |} | ||
Latest revision as of 00:57, 14 August 2025
| Term | Description |
|---|---|
| ARM | Formerly “Advanced Risc Machines”. The designer of the CPU used in the 3DO Opera. |
| ARM60 | The ARM CPU used in the 3DO Opera. Retail system runs the CPU at 12.5Mhz (1/4th the main 50Mhz clock). |
| CEL | (Sometimes referred to as a “sprite”) |
| CEL Engine | |
| MADAM | |
| CLIO | |
| ANVIL | |
| AMY | |
| Expansion Interface | |
| PLUT | |
| CLUT | |
| DRAM | |
| VRAM | |
| NVRAM | |
| FENCE | |
| Opera | The code name for the original ARM based 3DO console hardware. |
| Portfolio | The name of the proprietary operating system used by the 3DO Opera and later 3DO M2 systems. |
| SlowBus | |
| SlipStream | |
| LRFORM | |
| Packed | |
| Coded | (also referred to as “normal”) |
| Uncoded | (also referred to as “linear”) |
| PPMP | Pen and Palette Manipulation Processor. |
| PIXC | |
| CCoB | CEL Control Block. (sometimes referred to as SCoB, Sprite Control Block) |
| Clipping | |
| DSP/DSPP | |
| DIPIR | |
| UNCLE | |
| REGIS | |
| DMA | |
| BPP | |
| CCARF | (also may be referred to as “SCARF”) |
| CFBD | |
| VDL | |
| DMANFW | |
| D-mode | |
| IPN | |
| IPS | |
| MUNKEE | |
| PIN | Pen Index Number |
| PIP | Pen Index Palette |
| Regis Filbin | |
| SPORT | |
| SVF | |
| SYSRAM | |
| M25M | The main system clock. 25Mhz. Coming from the main oscillator divided by 2. |
| Tick | 1 cycle of the main clock, M25M. |
| Vick | 1 period of the video clock, V25M. |
| V25M | The video clock. Nominally 24.5454Mhz. Twice the Pixel Clock. |
| Pixel Clock | Nominally 12.2727MHz. |
| MCLK | The CPU Master Clock of 12.5Mhz. |
| RGB444 | |
| RGB555 | |
| VIRS | Vertical Interval Reference Signal |