194 Commits

Author SHA1 Message Date
Lucas Scharenbroich
525f6d9c67 Add specialized erase routines for different sprite sizes 2022-02-03 08:59:10 -06:00
Lucas Scharenbroich
d3b61f8de6 Merge branch 'toolbox-conversion' 2022-02-03 08:51:49 -06:00
Lucas Scharenbroich
1b9425b620 Streamline sprite functions; untested conceptual changes 2022-02-03 08:50:11 -06:00
Lucas Scharenbroich
16a3a385a9 Update some comments 2022-02-02 17:24:27 -06:00
Lucas Scharenbroich
5f492fd557 Save 1 cycle per line in the PEA fast-path for odd-aligned blits 2022-02-02 14:30:48 -06:00
Lucas Scharenbroich
1fe02e035c Checkpoint 2022-02-02 10:21:31 -06:00
Lucas Scharenbroich
027f9746ec Checkpoint of work 2022-01-19 20:58:57 -06:00
Lucas Scharenbroich
7d76089215 Remove some dead code 2021-11-22 16:53:47 -06:00
Lucas Scharenbroich
140126afd8 Optimize odd-aligned case in the blitter
The SEP/REP pairs that are used to move in and out
of 8-bit mode to do the single-byte pushed on the left
and right edges of the screen can also be used to clear
the necessary carry and overflow flags.
2021-11-22 16:13:29 -06:00
Lucas Scharenbroich
5bc9cc7ff2 Add a SPRITE_HIDE flag to toggle whether a sprite is drawn or not 2021-11-22 13:26:25 -06:00
Lucas Scharenbroich
2683a91e93 Fix sprite rendering with overlapping sprites. Must erase all sprites first, then re-render 2021-11-20 21:58:09 -06:00
Lucas Scharenbroich
90267e4646 Test updating tile ID in UpdateSprite for a run sequence. 2021-11-20 20:33:27 -06:00
Lucas Scharenbroich
76801c0e5e Simplify all of the remaining tile blitters 2021-11-20 13:58:24 -06:00
Lucas Scharenbroich
cd5de05d74 Most of the horizontal flip routines are not needed since the _GetTileAddr function returns the correct tile address. Need to finish auditing other Tile blitters 2021-11-20 13:54:19 -06:00
Lucas Scharenbroich
65ce5cbbc0 Add 16x16 vertical flip routine 2021-11-20 13:26:00 -06:00
Lucas Scharenbroich
b607275089 Separate updating a sprite's position with updating it's flags 2021-11-20 12:16:03 -06:00
Lucas Scharenbroich
0cc28f9e6e Generalize _DrawSprite to handle all sizes and flip bits. 2021-11-20 12:00:21 -06:00
Lucas Scharenbroich
a7ba1e4b6b Add final tile blitter 2021-11-19 16:48:39 -06:00
Lucas Scharenbroich
fd6c686a95 Fix ordering bug that caused /usr/bin/bash0 values to overwrite the sprite 2021-11-19 16:40:21 -06:00
Lucas Scharenbroich
39303041f9 Add priority dynamic tiles + sprite blitter 2021-11-19 16:30:22 -06:00
Lucas Scharenbroich
44cbba3f23 Add in new variants for sprite and priority tiles 2021-11-19 15:07:43 -06:00
Lucas Scharenbroich
5fdb4bcf06 Fix transposed argument in macro definition; dynamic tile + sprite now working 2021-11-19 13:26:19 -06:00
Lucas Scharenbroich
b4871efe8f Streamlining tile blitter macros 2021-11-19 13:00:59 -06:00
Lucas Scharenbroich
4c31a0d056 Reorg of exception handling code in the core blitter
* Moved V-flag handling outside of the 32-byte exception handler
* Switched relative branches to JMP to save a cycle per word
* Updated macros to create a full code snippet instead of assuming
  certain values exist in the exception handler buffer
2021-11-19 10:24:09 -06:00
Lucas Scharenbroich
0a9eb76ab5 Checkpoint; have old Dynamic Tile Renderers working 2021-11-18 16:23:44 -06:00
Lucas Scharenbroich
ba76b0047c Checkpoint on dynamic tile blitters 2021-11-18 15:36:36 -06:00
Lucas Scharenbroich
9a6eb45b20 Add Masked Sprite Tile blitter and fix some minor issues with the macro 2021-11-15 21:23:15 -06:00
Lucas Scharenbroich
976ab3163b Fix offset for filling wrap-around byte in BG1 2021-11-15 12:32:38 -06:00
Lucas Scharenbroich
dfd5549918 Sync up with current WIP 2021-11-15 12:23:38 -06:00
Lucas Scharenbroich
cc8e03e6d3 Add SCB binding infrastructure 2021-11-13 19:45:27 -06:00
Lucas Scharenbroich
b87e2a8d33 Fix register assignments for dynamic tile renderer 2021-11-13 19:44:30 -06:00
Lucas Scharenbroich
596777da8d Enable non-sprite, solid dynamic tiles 2021-11-12 15:11:29 -06:00
Lucas Scharenbroich
bab57f6e43 Add VSYNC toggle 2021-11-12 11:27:43 -06:00
Lucas Scharenbroich
de5bdc6041 Rename tile blitters to match internal bit fields and add in the solid prioity blitter 2021-11-12 09:07:51 -06:00
Lucas Scharenbroich
673b97419a Clear sprite flag when erasing sprite 2021-11-11 22:22:10 -06:00
Lucas Scharenbroich
dec9a3d106 Fix fast-path return value in PushDirtyTile and correct handling of TS_SPRITE_FLAG 2021-11-11 22:10:54 -06:00
Lucas Scharenbroich
678c9a0563 Initial shell of generalize sprite size support; just for marking the dirty tiles 2021-11-11 17:06:38 -06:00
Lucas Scharenbroich
bb5f4493d9 Fully integration simple (8x8) sprites into the render pipeline 2021-11-01 23:36:53 -05:00
Lucas Scharenbroich
631f40da23 Nearly complete integration of sprites into rendering function 2021-10-31 15:42:59 -05:00
Lucas Scharenbroich
2f73b9acf5 Small improvements to sprite prototype to fix dirty tiles getting out of sync 2021-10-30 19:24:23 -05:00
Lucas Scharenbroich
b4155dc751 Expose the ApplyTiles subroutine 2021-10-29 00:52:29 -05:00
Lucas Scharenbroich
9ecc262c58 First pass at validating erasing the sprite on update 2021-10-28 22:19:18 -05:00
Lucas Scharenbroich
0a7d9e15c7 Add external entry point to the erase function 2021-10-28 22:18:33 -05:00
Lucas Scharenbroich
7ec1b8bc29 Fix dumb initialization bug in sprite plane 2021-10-28 21:52:48 -05:00
Lucas Scharenbroich
4e46a6af85 WIP: manual sprite rendering showing on screen 2021-10-28 21:41:01 -05:00
Lucas Scharenbroich
2feb6f590b Add address in sprite plane for tile rendering; use in tile dispatcher 2021-10-27 00:14:19 -05:00
Lucas Scharenbroich
cc18c67491 Expand tile blitter temp space 2021-10-27 00:11:13 -05:00
Lucas Scharenbroich
82c1a8e2e4 Remember to cacluate the tile address when adding to the dirty tile list 2021-10-26 21:34:38 -05:00
Lucas Scharenbroich
0366c1a0e0 Fix missing index in the dirty tile initializations 2021-10-26 21:21:08 -05:00
Lucas Scharenbroich
3b8bf652e1 Continued bug fixing
* Missed an XBA to swap tile command bits into a proper index range
* Explicitly track the BASE_ADDR
* Fix some register overwriting
* Add an UpdateSprite method
2021-10-23 22:31:38 -05:00