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Avoid calling IO::LCDControl.screen_enabled? twice

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This commit is contained in:
Benoit Daloze 2017-03-05 19:38:05 +01:00
parent b6be04497f
commit 394dfdea5e
1 changed files with 15 additions and 15 deletions
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30
lib/waterfoul/ppu.rb
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@ -37,19 +37,19 @@ module Waterfoul
@modeclock += cycles
@auxillary_modeclock += cycles
if IO::LCDControl.screen_enabled? && @screen_enabled
case @mode
when H_BLANK_STATE
hblank if @modeclock >= H_BLANK_TIME
when V_BLANK_STATE
vblank
when OAM_READ_STATE
oam if @modeclock >= OAM_SCANLINE_TIME
when VMRAM_READ_STATE
vram if @modeclock >= VRAM_SCANLINE_TIME
end
else
if IO::LCDControl.screen_enabled?
if IO::LCDControl.screen_enabled?
if @screen_enabled
case @mode
when H_BLANK_STATE
hblank if @modeclock >= H_BLANK_TIME
when V_BLANK_STATE
vblank
when OAM_READ_STATE
oam if @modeclock >= OAM_SCANLINE_TIME
when VMRAM_READ_STATE
vram if @modeclock >= VRAM_SCANLINE_TIME
end
else
@screen_enabled = true
@modeclock = 0
@mode = 0
@ -58,9 +58,9 @@ module Waterfoul
reset_current_line
update_stat_mode
compare_lylc
else
@screen_enabled = false
end
else
@screen_enabled = false
end
end