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megademo: yard is erased

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This commit is contained in:
Vince Weaver 2018-10-15 00:24:24 -04:00
parent 14aacd1151
commit 59fc3df12a
1 changed files with 13 additions and 5 deletions
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18
megademo/leaving.s
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@ -130,12 +130,20 @@ lvloop7:dex ; 2
dey ; 2
bne lvloop6 ; 2nt/3
; Try X=120 Y=6 cycles=3637 R3
;===============================
; do stuff
;===============================
lda $0
jsr erase_yard ; 6+1249
ldy #6 ; 2
lvloopQ:ldx #120 ; 2
; 3640
; - 1255
;==========
; 2385
; Try X=118 Y=4 cycles=2385
ldy #4 ; 2
lvloopQ:ldx #118 ; 2
lvloopR:dex ; 2
bne lvloopR ; 2nt/3
dey ; 2
@ -176,7 +184,7 @@ lv_start_over:
; 1209 cycles
; 4+ 30*[35 + 5 ] + 5 = 1209
; 4+ 31*[35 + 5 ] + 5 = 1249
erase_yard:
lda #$44 ; green ; 2