33 lines
808 B
C++
33 lines
808 B
C++
/*
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* Copyright 2016 - 2024 Gary Talent (gary@drinkingtea.net). All rights reserved.
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*/
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#include <teagba/addresses.hpp>
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#include <teagba/bios.hpp>
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#include <teagba/irq.hpp>
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#include <teagba/gfx.hpp>
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namespace teagba {
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static ox::Array<GbaSpriteAttrUpdate, 128> g_spriteBuffer;
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GbaSpriteAttrUpdate &spriteAttr(size_t i) noexcept {
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return g_spriteBuffer[i];
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}
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void addSpriteUpdate(GbaSpriteAttrUpdate const &upd) noexcept {
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const auto ie = REG_IE; // disable vblank interrupt handler
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REG_IE = REG_IE & static_cast<uint16_t>(~teagba::Int_vblank); // disable vblank interrupt handler
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g_spriteBuffer[upd.idx] = upd;
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REG_IE = ie; // enable vblank interrupt handler
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}
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void applySpriteUpdates() noexcept {
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for (auto const&oa : g_spriteBuffer) {
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MEM_OAM[oa.idx] = std::bit_cast<uint64_t>(oa);
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}
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}
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}
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