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tfv: fix off-by-one problem in the map drawing

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This commit is contained in:
Vince Weaver 2017-11-25 23:33:25 -05:00
parent 92e9d3a055
commit f68fd6704b
1 changed files with 5 additions and 4 deletions
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9
tfv/tfv_flying.s
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@ -956,6 +956,7 @@ done_screeny:
; returns color in A
lookup_map:
; cache color and return if same as last time
lda SPACEY_I ; 3
cmp LAST_SPACEY_I ; 3
@ -968,7 +969,7 @@ lookup_map:
nomatch:
lda SPACEX_I ; 3
nomatch2: ; 3
nomatch2:
sta LAST_SPACEX_I ; 3
and #CONST_MAP_MASK ; 2
sta TEMPY ; 3
@ -987,13 +988,13 @@ nomatch2: ; 3
; only valid if x<8 and y<8
; SPACEX_I is in y
cpy #$9 ; 2
cpy #$8 ; 2
;============
; 37
bcs ocean_color ; bgt 8 ; 2nt/3
bcs ocean_color ; bgt 8 ;^2nt/3
ldy SPACEY_I ; 3
cpy #$9 ; 2
cpy #$8 ; 2
bcs ocean_color ; bgt 8 ; 2nt/3
tay ; 2