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Diffstat (limited to 'src/devices/video/bufsprite.h')
-rw-r--r-- | src/devices/video/bufsprite.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/devices/video/bufsprite.h b/src/devices/video/bufsprite.h index 6716592d0c5..626ca505b44 100644 --- a/src/devices/video/bufsprite.h +++ b/src/devices/video/bufsprite.h @@ -42,13 +42,14 @@ public: Type *live() const { return m_spriteram; } Type *buffer() { return &m_buffered[0]; } uint32_t bytes() const { return m_spriteram.bytes(); } + uint32_t length() const { return bytes() / sizeof(Type); } // operations Type *copy(uint32_t srcoffset = 0, uint32_t srclength = 0x7fffffff) { assert(m_spriteram != nullptr); if (m_spriteram != nullptr) - memcpy(&m_buffered[0], m_spriteram + srcoffset, (std::min<size_t>)(srclength, m_spriteram.bytes() / sizeof(Type) - srcoffset) * sizeof(Type)); + memcpy(&m_buffered[0], m_spriteram + srcoffset, (std::min<size_t>)(srclength, length() - srcoffset) * sizeof(Type)); return &m_buffered[0]; } |