changes after RC3
+++ added cursor controls (George)
+++ SNES select is same as Help (SukkoPera)
+++ slowed intro text by one more second
+++ bit more music
+++ BUGFIX: several minor bugs fixed in final room

changes after RC2
+++ BUGFIX: after winning the game, many things weren't reset. Now difficulty increases a bit.
+++ BUGFIX: while viewing the map, the powerups were still counting down.
+++ BUGFIX: fixed a bug related to power-ups not being initialized (BSZ)
+++ BUGFIX: the map was randomly incorrectly generated (Gaia)
+++ BUGFIX: reset no longer hangs
+++ increased pause between text screens in the intro (BSZ)
+++ created CRT and TAP versions

changes after RC1
+++ fixed "explosion-blocks-bullet" (Gaia, gerliczer)
+++ added high score to title screen (gerliczer)
+++ added sound effect for player dying (Gaia)
+++ music can be turned on/off with "M"
+++ intro can be skipped with space/fire
+++ added intro music
+++ finalized intro text

game
+++ reduce charset to $0400 in size (removed logo, falling hat animation)
+++ move charset to $0400
+++ redraw zodiac signs to match real ones
+++ rewrite "room draw" function, finishes in one frame, no tearing
+++ added drop shadow to walls
+++ removed all "constants", moved all variables to ZP
+++ new title screen, new logo
+++ reversed explosion animation, added shades
+++ implement raster bars
+++ new status bar
+++ highlight for zodiac signs found in status bar
+++ second highlight for zodiac signs placed in the time vaults
+++ create new 12x12 map
+++ edited many rooms (e.g. vertical walls line up, extra blocks, etc.)
+++ new room types
+++ rewrite falling hat code to use only 4 chars
+++ keep track of demons per room
+++ each room has fixed number of demons, once killed they do not regenerate
+++ changed respawn mechanic (player is respawned at entry point)
+++ changed game over screen (screen isn't cleared)
+++ added cubic gate before time vault (has message, opens)
+++ rewrote enemy spawn code, now fully random
+++ add extra animation in time vault to close door behind player
+++ update scoring
+++ fixed joy 1 fire not working
+++ added SNES controller support
+++ control selected on title screen determines what's used in game
+++ new feature: holding ESC quits
+++ map feature (press HELP)
+++ change wall colors to be fixed (and help "show" where the player is)
+++ end sequence, "congrats" message
+++ fix "can't shoot enemy when they are too close" bug
+++ powerup for each zodiac picked up (extra life, demons frozen, lightning shot, invulnerability)
+++ music, sounds
+++ optimize code
+++ add intro
