81 Commits (1a37dfe08b94a0449af0ab0976df31aca168c5b2)
 

Author SHA1 Message Date
Colin McMillen 1a37dfe08b Add screenshot to README.md 7 years ago
Colin McMillen aec5466f74 Update README.md 7 years ago
Colin McMillen d7f0119cb6 Tweak ship / shot spawn rates. 7 years ago
Colin McMillen d460a519af Add enemy ships. 7 years ago
Colin McMillen 1c7b6fde81 Tweak to collision-detection. 7 years ago
Colin McMillen ca8926f567 Add display of player health. 7 years ago
Colin McMillen b238fa2d37 Collision detection between player and enemy shots. 7 years ago
Colin McMillen f5b67dd535 Change shots to be single-shot and 8x8 sprite size. 7 years ago
Colin McMillen a92499fc40 Fix a bug - *now* we don't need InitSpriteTables. 7 years ago
Colin McMillen abddbf0033 Turns out we did still need InitSpriteTables. 7 years ago
Colin McMillen 2bb1bc161d Add multiple enemy shots. 7 years ago
Colin McMillen 4bf0033962 Make enemy sprites red. 7 years ago
Colin McMillen 526bc9e320 Spawn enemy shots from right edge of screen. 7 years ago
Colin McMillen d81c9a9e4b Refactor jmp -> bra. 7 years ago
Colin McMillen 29d4ff2309 Update README.md 7 years ago
Colin McMillen 398d62d22d Update README.md 7 years ago
Colin McMillen 12d4c9c5f4 Update README.md 7 years ago
Colin McMillen f51a544956 Various refactorings. 7 years ago
Colin McMillen 98aedecd4c Create array for enemy shots. 7 years ago
Colin McMillen 4521c5d96b Remove InitializeSpriteTables routine. 7 years ago
Colin McMillen 0fa70c0889 Make a table of possible shot velocities. 7 years ago
Colin McMillen eb7757a8b3 Change shot sprite to be up against left edge. 7 years ago
Colin McMillen 6eab6050e8 Allow for negative x-velocity. 7 years ago
Colin McMillen 54d2828bf6 Shinier star graphic. 7 years ago
Colin McMillen b802431925 Change output file extension .smc -> .sfc 7 years ago
Colin McMillen 1dc44a3f00 Move sprite table RAM location. 7 years ago
Colin McMillen bac214a95b Fix subtraction / two's complement bug. 7 years ago
Colin McMillen e39f802bd5 Loop through shots array to find an empty spot. 7 years ago
Colin McMillen 7d0140d233 Alternate up-shots and down-shots. 7 years ago
Colin McMillen 5ace3844dc Shots can now have negative y-velocity. 7 years ago
Colin McMillen 611b4d20f2 Update world & sprites in separate loops. 7 years ago
Colin McMillen 25a2fb20ab Change bit-format of scratch sprite table. 7 years ago
Colin McMillen 48db4aca58 Don't bother storing zeroes to joypad registers. 7 years ago
Colin McMillen 116d591c60 Update shot speed and cooldown timer. 7 years ago
Colin McMillen 510aca6ed3 More register documentation. 7 years ago
Colin McMillen 49abebc211 Allow more than 4 shots. 7 years ago
Colin McMillen 0e7d46c46f Don't read joysticks during auto-joypad read. 7 years ago
Colin McMillen 5c45dfa834 Make macros for setting 16bit/8bit registers. 7 years ago
Colin McMillen 8c5b4232c1 Add a period. 7 years ago
Colin McMillen 36b54692c1 Simplify handling of secondary sprite table. 7 years ago
Colin McMillen 7a04a359fa Tighten up vBlankCounter code. 7 years ago
Colin McMillen 325006664b and+cmp -> bit where possible 7 years ago
Colin McMillen 7b637436b8 Define a constant for shot array length. 7 years ago
Colin McMillen c94ac75c45 Remove trailing whitespace. 7 years ago
Colin McMillen f324413101 Use symbolic constant for backgroundBlue. 7 years ago
Colin McMillen 292cb079a5 Allow for multiple shots at once. 7 years ago
Colin McMillen 2bf56bb422 Change addresses back, to match the comment. 7 years ago
Colin McMillen a0532f0429 Refactor to use .defines for many memory locations. 7 years ago
Colin McMillen 7b6cd3f583 Reformat main file. 7 years ago
Colin McMillen 1319e4f52d Add the ability to shoot with the B button. 7 years ago