2017-11-23 04:50:43 +00:00
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mode7 speed fixes:
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+ Don't draw sky every frame, only if needed
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2017-11-26 00:37:02 +00:00
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2017-11-23 04:50:43 +00:00
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+ faster multiply routine
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2017-11-26 00:37:02 +00:00
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+ If result is AABBCCDD we only need BBCC for fixed point
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result
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2017-11-26 02:55:45 +00:00
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+ Pass NUM1H in A? no because used multiple places
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+ inline hlin_setup? (save 12 cycles)
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2017-11-26 00:37:02 +00:00
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+ re-arrange variables to better take advantage of self-modifying code
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+ only doing the spacez calculation if it has changed
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+ update the constants to be constants
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+ move the screen width constant to own set of varaibles
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(instead of temp)
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2017-11-23 04:50:43 +00:00
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+ leave one of multiply results in accumulator at end?
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2017-11-24 04:57:30 +00:00
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+ Skip key parsing if no key read
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2017-11-26 00:37:02 +00:00
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slower: move to 40x40 again
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draw every other line. First with color/black
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then xor in the second line
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2017-11-17 21:56:11 +00:00
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short term:
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2017-11-18 20:17:28 +00:00
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2017-11-18 21:27:42 +00:00
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longer term:
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2017-11-19 03:52:25 +00:00
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sky -- color looks too much like grass on monochrome display
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2017-11-18 21:27:42 +00:00
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map -- adjust x/y to better match real position
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name entry screen
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inventory screen
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2017-11-19 02:18:01 +00:00
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collision detection
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after game over, return to title screen
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save/restore game
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2017-11-17 21:56:11 +00:00
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