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lemm: don't re-load level if already in RAM

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This commit is contained in:
Vince Weaver 2022-03-20 22:50:26 -04:00
parent 8824603ec2
commit 4b714999a6
1 changed files with 13 additions and 7 deletions
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20
games/lemm/lemm.s
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@ -245,6 +245,9 @@ zurg:
oof:
lda #$0
sta $9000 ; make sure we load first level
;=======================
; do level
;=======================
@ -252,29 +255,32 @@ oof:
play_level:
; load level from disk
lda WHICH_LEVEL ; FIXME: don't reload if already right
; maybe put level# at $a000?
lda WHICH_LEVEL ; see if level is same as current
cmp $9000
beq level_already_resident
sta WHICH_LOAD
jsr load_file
level_already_resident:
jsr start_level
lda LEVEL_OVER
cmp #LEVEL_WIN
beq level_won
bne level_lost
bne level_continue
level_won:
inc WHICH_LEVEL
lda WHICH_LEVEL
cmp #3
bcc level_lost
cmp #6
bcc level_continue
lda #5
lda #1 ; wrap to level1?
sta WHICH_LEVEL
level_lost:
level_continue:
jmp play_level