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mist: cabin: adjust timings on boiler a bit

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was a bit of a speedrun trying to get to fit into the twitter
video time limit
This commit is contained in:
Vince Weaver
2020-07-16 09:24:25 -04:00
parent 7563d411ad
commit 9f7326b5b5
1 changed files with 24 additions and 8 deletions
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30
mist/cabin_boiler_puzzle.s
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@@ -46,10 +46,10 @@
; then if valve>12 inc level, when hit 15 inc tree
; if valve<12 dec level, when hit 0 dec tree
; rate of adding is (valve-12) 0..12 / 4 = 0..3
; 0 = FRAMEL&1f==0
; 1 = FRAMEL&f==0
; 2 = FRAMEL&7==0
; 3 = FRAMEL&3==0
; 0 = FRAMEL&7f==0
; 1 = FRAMEL&3f==0
; 2 = FRAMEL&1f==0
; 3 = FRAMEL&7==0
; Make noise when change tree level
update_boiler_state:
@@ -59,7 +59,7 @@ update_boiler_state:
bpl done_boiler_state
lda BOILER_VALVE
beq done_boiler_state
; beq done_boiler_state
sec
sbc #12
@@ -70,12 +70,28 @@ update_boiler_state:
adc #$1
skip_abs:
; adjust speed based on valve position
; div by 4
lsr
lsr
tay
lda FRAMEL
cpy #0
beq speed_slowest
cpy #1
beq speed_slow
cpy #2
beq speed_fast
speed_fastest:
and #$f
speed_fast:
and #$1f
speed_slow:
and #$3f
speed_slowest:
and #$7f
beq actually_adjust_boiler
rts
@@ -320,7 +336,7 @@ valve_dec:
valve_inc:
lda BOILER_VALVE
cmp #24
cmp #25
bcs done_valve
inc BOILER_VALVE