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Object table expansion #12

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merged 4 commits into from
Jun 13, 2020
Merged

Object table expansion #12

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a91f646
Refac: add global consts and object enum
haaspt Jun 13, 2020
f9ab1bb
Add timer byte to objects (& increase table size)
haaspt Jun 13, 2020
8cf5763
Refac: add `timer` scope
haaspt Jun 13, 2020
281fde6
Refac: enum rename
haaspt Jun 13, 2020
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Binary file modified SpaceGame.nes
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14 changes: 13 additions & 1 deletion src/constants.inc
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@ PPUADDR = $2006
PPUDATA = $2007
OAMADDR = $2003
OAMDMA = $4014
OAMTAB = $0200

JOYPAD1 = $4016
JOYPAD2 = $4017
Expand All @@ -14,4 +15,15 @@ SPRITETAB = $0200
PLAYERLOC = SPRITETAB

PL_Y = $020C ; player sprite center pt y
PL_X = $020F ; player sprite center pt x
PL_X = $020F ; player sprite center pt x

;; GLOBALS
Y_SCROLL_LIMIT = $F0
BULLET_Y_LIMIT = $03
ENEMY_Y_LIMIT = $DE

GUN_COOLDOWN = $10
ENEMY_SPAWN_RATE = $7F

OBJECT_SIZE = $04
OBJECT_TABLE_LEN = $40
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