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tb1
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snes: now iterate all enemies at creation

This commit is contained in:
Vince Weaver 2013-02-05 16:24:10 -05:00
parent 41c2eef853
commit 5d0d665f1f
2 changed files with 16 additions and 18 deletions
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4
tb1_snes/checksum.inc
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@ -1,2 +1,2 @@
.word $9de ; Complement of checksum
.word $f621 ; Unsigned 16-bit sum of ROM
.word $9af ; Complement of checksum
.word $f650 ; Unsigned 16-bit sum of ROM

30
tb1_snes/level_1.s
View File

@ -809,21 +809,11 @@ store_enemy_kind:
tya ; copy Y to A
asl
asl ; multiply by 4
clc
adc #$200 ; add in $200
tax
tax ; put in X
sep #$20 ; set A back to 8-bit
.a8
pla ; restore A
sta $282 ; $200 + $20*4 + 2
lda #$24
sta $283 ; noflip, pal2, priority=2
; determine enemy _x
; if < 0, make random between 2->34
@ -838,17 +828,25 @@ store_enemy_kind:
asl
store_init_x:
; iny ; X
; sta (ENEMY_PL),Y
sta $280
sta $200,X ; store x value at $200+(Y*4)
; enemy_y is always 0 by default
; iny ; Y
inx ; store y value at $201+(Y*4)
lda #$0
; sta (ENEMY_PL),Y
sta $281
sta $200,X
pla ; pull enemy type off stack
inx ; store SPRITE value to $202+(Y*4)
sta $200,X
lda #$24 ; noflip, pal2, priority=2
inx
sta $200,X ; store paramaters to $203+(Y*4)
; lda #$0
; iny