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z80
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Only generate X values for the number of stars 

They arent used again
This commit is contained in:
Pedro de Oliveira 2014-08-21 10:09:53 +01:00
parent 0dca2aed2c
commit 2418200c6e
1 changed files with 7 additions and 7 deletions
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14
starfield/main.asm
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@ -9,11 +9,11 @@ clr_screen EQU $0daf ; ROM routine to clear the screen
; Screen is 256x192
; Star Structure
; X 1 Byte $0 - $ff
; Y 1 Byte $0 - $c0
; Speed 1 Byte $1 - $3
; PrevX
; PrevY
; X 1 Byte
; Y 1 Byte
; Speed 1 Byte
; PrevX 1 Byte
; PrevY 1 Byte
MAX_STARS EQU 100
start
@ -160,7 +160,7 @@ initRandom
; X
ld b, MAX_STARS*2
ld b, MAX_STARS
ld hl, xranddata
initRandomX
@ -501,7 +501,7 @@ yrandpos dw yranddata
speedrandpos dw speedranddata
xranddata
REPT (MAX_STARS*2) + 1
REPT MAX_STARS + 1
db $0
ENDM