Jeremy Rand 36617cbf9d Lay some more groundwork for animating centipede segments. We now have an array of 96 (97 actually) entries which describe the position of the segment now or in the past. By keeping past information, body segments which follow head segments will take no calculation to update. We just have to animate head segments and body segments will follow them 8 pixels behind automatically.		2020-09-07 22:35:32 -04:00
..
make	Lay some more groundwork for animating centipede segments. We now have an array of 96 (97 actually) entries which describe the position of the segment now or in the past. By keeping past information, body segments which follow head segments will take no calculation to update. We just have to animate head segments and body segments will follow them 8 pixels behind automatically.	2020-09-07 22:35:32 -04:00
sprites	Change the code to race the beam down the screen, redrawing the dirty game rows as it goes.	2020-09-04 00:17:19 -04:00
colour.s	Change the way colour works to make it cheaper to overwrite any background colour with green which will make drawing centipede segments faster.	2020-06-28 22:21:32 -04:00
game.h	Not sure why this change didn't go with the previous commit.	2020-07-19 15:16:20 -04:00
game.s	Fix bug leading to crash when trying to add centipede body segments. I needed to have a nop instruction after the self-modifying long jump. I am writing 4 bytes of the address into the long jump which only uses a 3 byte address and I was corrupting the next instruction. Inserting a nop ensures no corruption happens.	2020-09-06 13:39:00 -04:00
gameFlea.s	Simplify the handling of the dirty tiles to just store the dirty word and not keep the array of dirty tile offsets. Have the flea use game and non-game dirty tiles to fix the problem with LHS tiles being marked dirty all the time.	2020-09-04 01:55:38 -04:00
gameScorpion.s	Change the code to race the beam down the screen, redrawing the dirty game rows as it goes.	2020-09-04 00:17:19 -04:00
gameSegments.s	Lay some more groundwork for animating centipede segments. We now have an array of 96 (97 actually) entries which describe the position of the segment now or in the past. By keeping past information, body segments which follow head segments will take no calculation to update. We just have to animate head segments and body segments will follow them 8 pixels behind automatically.	2020-09-07 22:35:32 -04:00
gameSpider.s	Change the code to race the beam down the screen, redrawing the dirty game rows as it goes.	2020-09-04 00:17:19 -04:00
global.macros	Lay some more groundwork for animating centipede segments. We now have an array of 96 (97 actually) entries which describe the position of the segment now or in the past. By keeping past information, body segments which follow head segments will take no calculation to update. We just have to animate head segments and body segments will follow them 8 pixels behind automatically.	2020-09-07 22:35:32 -04:00
globals.s	Change the code to race the beam down the screen, redrawing the dirty game rows as it goes.	2020-09-04 00:17:19 -04:00
main.c	Update the flea sprite as it drops. Add random routines. Thanks to John Brooks for those. Use the random routines to pick a column for the flea to drop from. Also, randomly leave behind a mushroom as it falls.	2020-07-19 15:15:45 -04:00
main.h	Well, it launches, clears the screen, waits for a key and then quits. But it is a start.	2020-06-10 23:51:53 -04:00
main.rez	Well, it launches, clears the screen, waits for a key and then quits. But it is a start.	2020-06-10 23:51:53 -04:00
Makefile	Use macros to reduce the copy/pasted code for marking tiles as dirty. Rough out the support for body and head segments.	2020-07-30 23:34:48 -04:00
random.s	Improve the randN function. Show a different colour on the border when drawing versus updating the game state.	2020-07-27 21:47:28 -04:00
tiles.c	Simplify the handling of the dirty tiles to just store the dirty word and not keep the array of dirty tile offsets. Have the flea use game and non-game dirty tiles to fix the problem with LHS tiles being marked dirty all the time.	2020-09-04 01:55:38 -04:00
tiles.h	Simplify the handling of the dirty tiles to just store the dirty word and not keep the array of dirty tile offsets. Have the flea use game and non-game dirty tiles to fix the problem with LHS tiles being marked dirty all the time.	2020-09-04 01:55:38 -04:00