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fix screen enable/disable

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This commit is contained in:
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
@framebuffer = Array.new FRAMEBUFFER_SIZE, 0
@mode = OAM_READ_STATE
@mode = V_BLANK_STATE
@modeclock = 0
@auxillary_modeclock = 0
@vblank_line = 0
@screen_enable_delay_cycles = 0
@auxillary_modeclock = 0
@screen_enabled = true
end
def step(cycles = 1)
@ -36,7 +36,7 @@ module Waterfoul
@modeclock += cycles
@auxillary_modeclock += cycles
if IO::LCDControl.screen_enabled?
if IO::LCDControl.screen_enabled? && @screen_enabled
case @mode
when H_BLANK_STATE
hblank if @modeclock >= H_BLANK_TIME
@ -48,23 +48,16 @@ module Waterfoul
vram if @modeclock >= VRAM_SCANLINE_TIME
end
else
if @screen_enable_delay_cycles > 0
@screen_enable_delay_cycles -= @modeclock
if @screen_enable_delay_cycles <= 0
@screen_enable_delay_cycles = 0
@hide_frames = 3
@mode = 0
@modeclock = 0
@auxillary_modeclock = 0
reset_current_line
@window_line = 0
@vblank_line = 0
compare_lylc
end
if IO::LCDControl.screen_enabled?
@screen_enabled = true
@modeclock = 0
@mode = 0
@auxillary_modeclock = 0
reset_current_line
update_stat_mode
compare_lylc
else
@screen_enable_delay_cycles = 244
@screen_enabled = false
end
end
end