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fix incorrect refernce to SCREEN_WIDTH constant in ppu

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Colby Swandale 2016-09-18 23:23:58 +10:00
parent 426a629269
commit c67980d5f8
1 changed files with 2 additions and 2 deletions
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4
lib/waterfoul/gpu.rb
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@ -173,7 +173,7 @@ module Waterfoul
0.upto(7) do |pixelx|
buffer_addr = line_pixel_offset + pixelx + window_pos_x
next if buffer_addr < 0 || buffer_addr >= SCREEN_WIDTH
next if buffer_addr < 0 || buffer_addr >= Sreen::SCREEN_WIDTH
shift = 0x1 << (7 - pixelx)
@ -210,7 +210,7 @@ module Waterfoul
next if sprite_y > line || (sprite_y + sprite_size) <= line
sprite_x = $mmu.read_byte(0xFE00 + sprite_offset + 1) - 8
next if sprite_x < -7 || sprite_x >= SCREEN_WIDTH
next if sprite_x < -7 || sprite_x >= Screen::SCREEN_WIDTH
sprite_tile_offset = ($mmu.read_byte(0xFE00 + sprite_offset + 2) & (sprite_size == 16 ? 0xFE : 0xFF)) * 16
sprite_flags = $mmu.read_byte(0xFE00 + sprite_offset + 3)