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I'm glad to announce the release of, providing support for bicolor graphics (multicolor 8x2) in 32 columns for all standard Spectrum models (48K, 128K, +2, +2A, +2B, +3)!When the original NIRVANA ENGINE was released about 2 years ago, it supported 30 columns, at most 22 rows in bicolor. Nowsupports all 32 columns, at most 23 rows in bicolor.Now I knowwhat you are going to ask...Technically, limiting bicolor size to 24 rows instead of 23 rows would take me no additional effort. But I preferred to reserve the top row on screen for timing synchronization, so the screen will never flicker. Trust me, it's worth it!No! Both engines have exactly the same APIs, and behave exactly the same way. Internal implementation has changed, therefore most addresses are different, but that's all!Almost none! Latest version ofuses 8677 bytes of memory, generating 22 bicolor rows. If you recompileto use 22 rows also, then it will use 8728 bytes of memory, a difference of only 51 bytes!None! If you recompileandto use the same number of bicolor rows, both engines will consume exactly the same amount of CPU.There isn't. You really get 2 extra bicolor columns for freeNo, it's still supported. Choosingorfor your game simply depends on what you want to happen when drawing a tile at the screen edge. Would you like only half of this tile to appear on screen, so you can easily implement multicolor images gradually entering or leaving the gameplay area? If so, use. Or would you like the entire tile to appear on screen, so you can have an even larger gameplay area? In this case, useYes! All my multicolor engines are free to develop all kinds of programs (even commercial games), they only need to be properly credited.This new engine is based on a 32 columns multicolor routine proposed byand later modified by myself. For further details you can check this thread . Thus many thanks tofor the 32 columns idea, this engine would not have been possible without him! He's properly credited indocumentationI'm glad you ask, I almost forgot it! The newis available here