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fix screen enable/disable

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Colby 2016-07-31 22:13:06 +10:00
parent bf785c7d54
commit ba6073aba0
1 changed files with 13 additions and 20 deletions
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33
lib/waterfoul/gpu.rb
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@ -24,11 +24,11 @@ module Waterfoul
def initialize def initialize
@framebuffer = Array.new FRAMEBUFFER_SIZE, 0 @framebuffer = Array.new FRAMEBUFFER_SIZE, 0
@mode = OAM_READ_STATE @mode = V_BLANK_STATE
@modeclock = 0 @modeclock = 0
@auxillary_modeclock = 0
@vblank_line = 0 @vblank_line = 0
@screen_enable_delay_cycles = 0 @auxillary_modeclock = 0
@screen_enabled = true
end end
def step(cycles = 1) def step(cycles = 1)
@ -36,7 +36,7 @@ module Waterfoul
@modeclock += cycles @modeclock += cycles
@auxillary_modeclock += cycles @auxillary_modeclock += cycles
if IO::LCDControl.screen_enabled? if IO::LCDControl.screen_enabled? && @screen_enabled
case @mode case @mode
when H_BLANK_STATE when H_BLANK_STATE
hblank if @modeclock >= H_BLANK_TIME hblank if @modeclock >= H_BLANK_TIME
@ -48,23 +48,16 @@ module Waterfoul
vram if @modeclock >= VRAM_SCANLINE_TIME vram if @modeclock >= VRAM_SCANLINE_TIME
end end
else else
if @screen_enable_delay_cycles > 0 if IO::LCDControl.screen_enabled?
@screen_enable_delay_cycles -= @modeclock @screen_enabled = true
@modeclock = 0
if @screen_enable_delay_cycles <= 0 @mode = 0
@screen_enable_delay_cycles = 0 @auxillary_modeclock = 0
@hide_frames = 3 reset_current_line
@mode = 0 update_stat_mode
@modeclock = 0 compare_lylc
@auxillary_modeclock = 0
reset_current_line
@window_line = 0
@vblank_line = 0
compare_lylc
end
else else
@screen_enable_delay_cycles = 244 @screen_enabled = false
end end
end end
end end