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<a href="ppu_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#include <<a class="code" href="ppu_8h.html">ppu.h</a>></span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#include <iostream></span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="preprocessor">#include <cstring></span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> </div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="keyword">namespace </span><a class="code" href="namespacenes.html">nes</a></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> {</div><div class="line"><a name="l00007"></a><span class="lineno"><a class="line" href="classnes_1_1_p_p_u.html#a66b1f464afc03cdce647ffc2c9970850"> 7</a></span>  <a class="code" href="classnes_1_1_p_p_u.html#a66b1f464afc03cdce647ffc2c9970850">PPU::PPU</a>(<a class="code" href="classnes_1_1cpu__6502.html">cpu_6502</a> *<a class="code" href="crazi_n_e_s_8cpp.html#a640ae9b04d23f7fa3cb3d243eae03f77">cpu</a>)</div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>  {</div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>  this->cpu = <a class="code" href="classnes_1_1_p_p_u.html#aba4a9bcabb017f49a2cfa73ae8e187f4">cpu</a>;</div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>  }</div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div><div class="line"><a name="l00012"></a><span class="lineno"><a class="line" href="classnes_1_1_p_p_u.html#a03ae1e1d7fc71c44a04a41746d0b35d9"> 12</a></span>  <span class="keywordtype">void</span> <a class="code" href="classnes_1_1_p_p_u.html#a03ae1e1d7fc71c44a04a41746d0b35d9">PPU::step</a>(uint16_t cpu_cycles)</div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  {</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>  uint16_t ppu_cycles = cpu_cycles * 3;</div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  <span class="keywordflow">for</span>(uint16_t counter = 0; counter < ppu_cycles; counter++)</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  {</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  <span class="keywordflow">if</span>((this-><a class="code" href="classnes_1_1_p_p_u.html#ab2d57b968dc6485187a7fed8740897e6">scanline</a> >= 0) && (this-><a class="code" href="classnes_1_1_p_p_u.html#ab2d57b968dc6485187a7fed8740897e6">scanline</a> <= 240))</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  {</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  <span class="comment">// draw stuff</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  }</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <span class="keywordflow">if</span>((this-><a class="code" href="classnes_1_1_p_p_u.html#ab2d57b968dc6485187a7fed8740897e6">scanline</a> == 241) && (this-><a class="code" href="classnes_1_1_p_p_u.html#a2a5826c4abc5f6413086b35c95f964bb">pixel</a> == 0))</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  {</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="comment">// Start vblank</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  this-><a class="code" href="classnes_1_1_p_p_u.html#a639ae509e1de1665efd9c03d243c4f6d">registers</a>[2] |= 0x80;</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  }</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keywordflow">if</span>((this-><a class="code" href="classnes_1_1_p_p_u.html#ab2d57b968dc6485187a7fed8740897e6">scanline</a> >= 241) && (this-><a class="code" href="classnes_1_1_p_p_u.html#ab2d57b968dc6485187a7fed8740897e6">scanline</a> <= 260))</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  {</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keywordflow">if</span>(this-><a class="code" href="classnes_1_1_p_p_u.html#a2a5826c4abc5f6413086b35c95f964bb">pixel</a> == 0)</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  {</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keywordflow">if</span>((this-><a class="code" href="classnes_1_1_p_p_u.html#a639ae509e1de1665efd9c03d243c4f6d">registers</a>[0] >> 7) & 0x1)</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  {</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="comment">// NMI</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  std::cout << <span class="stringliteral">"PPU::step(): NMI"</span> << std::endl;</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  this-><a class="code" href="classnes_1_1_p_p_u.html#aba4a9bcabb017f49a2cfa73ae8e187f4">cpu</a>-><a class="code" href="classnes_1_1cpu__6502.html#a42ed42f54cf0238437200ea80610fd44">nmi</a>();</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  }</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordflow">else</span> std::cout << <span class="stringliteral">"NMI disabled"</span> << std::endl;</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  }</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  }</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">if</span>((this-><a class="code" href="classnes_1_1_p_p_u.html#ab2d57b968dc6485187a7fed8740897e6">scanline</a> == 261) && (this-><a class="code" href="classnes_1_1_p_p_u.html#a2a5826c4abc5f6413086b35c95f964bb">pixel</a> == 0))</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  {</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="comment">// end vblank</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  this-><a class="code" href="classnes_1_1_p_p_u.html#a639ae509e1de1665efd9c03d243c4f6d">registers</a>[2] &= ~0x80;</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  }</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  this-><a class="code" href="classnes_1_1_p_p_u.html#a2a5826c4abc5f6413086b35c95f964bb">pixel</a>++;</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">if</span>(this-><a class="code" href="classnes_1_1_p_p_u.html#a2a5826c4abc5f6413086b35c95f964bb">pixel</a> > 340)</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  {</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  this-><a class="code" href="classnes_1_1_p_p_u.html#a2a5826c4abc5f6413086b35c95f964bb">pixel</a> = 0;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  this-><a class="code" href="classnes_1_1_p_p_u.html#ab2d57b968dc6485187a7fed8740897e6">scanline</a>++;</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  }</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">if</span>(this-><a class="code" href="classnes_1_1_p_p_u.html#ab2d57b968dc6485187a7fed8740897e6">scanline</a> > 261)</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  {</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  this-><a class="code" href="classnes_1_1_p_p_u.html#ab2d57b968dc6485187a7fed8740897e6">scanline</a> = 0;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  }</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  }</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  }</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div><div class="line"><a name="l00064"></a><span class="lineno"><a class="line" href="classnes_1_1_p_p_u.html#acfc40e7f841fa9d835743dc2386a3f9d"> 64</a></span>  <span class="keywordtype">void</span> <a class="code" href="classnes_1_1_p_p_u.html#acfc40e7f841fa9d835743dc2386a3f9d">PPU::register_write_byte</a>(<span class="keywordtype">void</span> *ptr, uint16_t addr, uint8_t value)</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  {</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <a class="code" href="classnes_1_1_p_p_u.html">PPU</a> *ppu = (<a class="code" href="classnes_1_1_p_p_u.html">PPU</a> *)ptr;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  addr -= 0x2000;</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  addr %= 8;</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  ppu-><a class="code" href="classnes_1_1_p_p_u.html#a639ae509e1de1665efd9c03d243c4f6d">registers</a>[addr] = value;</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  std::cout << <span class="stringliteral">"PPU::register_write_byte(): Wrote 0x"</span> << std::hex << +value << <span class="stringliteral">" to 0x"</span> << std::hex << +addr << std::endl;</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">switch</span>(addr)</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  {</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">case</span> 0: <span class="comment">// PPUCTRL</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  std::cout << <span class="stringliteral">"Base name table address: 0x"</span> << std::hex << +ppu-><a class="code" href="classnes_1_1_p_p_u.html#aba530a9d675d00b1285da6b012e77778">base_name_table</a>[(value & 0x3)] << std::endl;</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  std::cout << <span class="stringliteral">"VRAM address increment per CPU read/write of PPUDATA: "</span>;</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">if</span>((value >> 2) & 0x1) std::cout << <span class="stringliteral">"add 32, going down"</span>;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">else</span> std::cout << <span class="stringliteral">"add 1, going across"</span>;</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  std::cout << std::endl;</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  std::cout << <span class="stringliteral">"Sprite pattern table address for 8x8 sprites: 0x"</span> << std::hex << +ppu-><a class="code" href="classnes_1_1_p_p_u.html#a2cde7aed780046bd5dff4e46991cd130">sprite_pattern_table</a>[((value >> 3) & 0x1)] << std::endl;</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  std::cout << <span class="stringliteral">"Background pattern table address: 0x"</span> << std::hex << +ppu-><a class="code" href="classnes_1_1_p_p_u.html#a04921d3136301e266f962e59cd23eb81">background_pattern_table</a>[((value >> 4) & 0x1)] << std::endl;;</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  std::cout << <span class="stringliteral">"Sprite size: "</span>;</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">if</span>((value >> 5) & 0x1) std::cout << <span class="stringliteral">"8x16 pixels"</span>;</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">else</span> std::cout << <span class="stringliteral">"8x8 pixels"</span>;</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  std::cout << std::endl;</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  std::cout << <span class="stringliteral">"PPU master/slave select: "</span>;</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">if</span>((value >> 6) & 0x1) std::cout << <span class="stringliteral">"output color on EXT pins"</span>;</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">else</span> std::cout << <span class="stringliteral">"read backdrop from EXT pins"</span>;</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  std::cout << std::endl;</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  std::cout << <span class="stringliteral">"Generate an NMI at the start of the vertical blanking interval: "</span>;</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">if</span>((value >> 7) & 0x1) std::cout << <span class="stringliteral">"on"</span>;</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">else</span> std::cout << <span class="stringliteral">"off"</span>;</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  std::cout << std::endl;</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">case</span> 6: <span class="comment">// PPUADDR</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">if</span>(ppu-><a class="code" href="classnes_1_1_p_p_u.html#aad2d5ad4e97d301a7ea3eb6d002d4d31">latch_ppu_addr</a>)</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  {</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  ppu-><a class="code" href="classnes_1_1_p_p_u.html#a61de5dd455ef319902418b69b9c40cc6">ppu_addr</a> |= value;</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  ppu-><a class="code" href="classnes_1_1_p_p_u.html#aad2d5ad4e97d301a7ea3eb6d002d4d31">latch_ppu_addr</a> = <span class="keyword">false</span>;</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  std::cout << <span class="stringliteral">"PPUADDR: 0x"</span> << std::hex << +ppu-><a class="code" href="classnes_1_1_p_p_u.html#a61de5dd455ef319902418b69b9c40cc6">ppu_addr</a> << std::endl;</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  }</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  {</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  ppu-><a class="code" href="classnes_1_1_p_p_u.html#a61de5dd455ef319902418b69b9c40cc6">ppu_addr</a> = (value << 8) | 0;</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  ppu-><a class="code" href="classnes_1_1_p_p_u.html#aad2d5ad4e97d301a7ea3eb6d002d4d31">latch_ppu_addr</a> = <span class="keyword">true</span>;</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  }</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">default</span>:</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  std::cout << <span class="stringliteral">"Unhandled ppu register: 0x"</span> << +addr << std::endl;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  }</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  }</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div><div class="line"><a name="l00123"></a><span class="lineno"><a class="line" href="classnes_1_1_p_p_u.html#a1aad49f2bdb2936f928d4f6152b384bd"> 123</a></span>  uint8_t <a class="code" href="classnes_1_1_p_p_u.html#a1aad49f2bdb2936f928d4f6152b384bd">PPU::register_read_byte</a>(<span class="keywordtype">void</span> *ptr, uint16_t addr)</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  {</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <a class="code" href="classnes_1_1_p_p_u.html">PPU</a> *ppu = (<a class="code" href="classnes_1_1_p_p_u.html">PPU</a> *)ptr;</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  addr -= 0x2000;</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  addr %= 8;</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  std::cout << <span class="stringliteral">"PPU::register_read_byte(): Read 0x"</span> << std::hex << +ppu-><a class="code" href="classnes_1_1_p_p_u.html#a639ae509e1de1665efd9c03d243c4f6d">registers</a>[addr] << <span class="stringliteral">" from 0x"</span> << std::hex << +addr << std::endl;</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  uint8_t value = ppu-><a class="code" href="classnes_1_1_p_p_u.html#a639ae509e1de1665efd9c03d243c4f6d">registers</a>[addr];</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">switch</span>(addr)</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  {</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">case</span> 0x2:</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="comment">// end vblank</span></div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  ppu-><a class="code" href="classnes_1_1_p_p_u.html#a639ae509e1de1665efd9c03d243c4f6d">registers</a>[2] &= ~0x80;</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">default</span>:</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  }</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">return</span> value;</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  }</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div><div class="line"><a name="l00146"></a><span class="lineno"><a class="line" href="classnes_1_1_p_p_u.html#a43eee8292f6f9ea38db3b83085c03bde"> 146</a></span>  <span class="keywordtype">void</span> <a class="code" href="classnes_1_1_p_p_u.html#a43eee8292f6f9ea38db3b83085c03bde">PPU::chrrom_map</a>(<span class="keywordtype">void</span> *ptr)</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  {</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  this-><a class="code" href="classnes_1_1_p_p_u.html#a966734bef081e761756b61fc23fa8e99">chrrom</a> = (uint8_t *)ptr;</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  }</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div><div class="line"><a name="l00151"></a><span class="lineno"><a class="line" href="classnes_1_1_p_p_u.html#a26b139034eda5f6bccd45574be40208e"> 151</a></span>  <a class="code" href="structnes_1_1memory__section.html">memory_section</a> <a class="code" href="classnes_1_1_p_p_u.html#a26b139034eda5f6bccd45574be40208e">PPU::get_section</a>(uint16_t addr)</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  {</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <a class="code" href="structnes_1_1memory__section.html">memory_section</a> s;</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> </div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">if</span>((addr >= 0) && (addr <= 0x1FFF))</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  {</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  s.<a class="code" href="structnes_1_1memory__section.html#adf95ead77e708b0ed06da403d11fd0fc">addr</a> = addr;</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  s.<a class="code" href="structnes_1_1memory__section.html#a15cc5e7acbf5c6508576c46946198239">offset</a> = 0x0;</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  s.<a class="code" href="structnes_1_1memory__section.html#a670affcc954678f783010ac09b78fa30">ptr</a> = <a class="code" href="classnes_1_1_p_p_u.html#a966734bef081e761756b61fc23fa8e99">chrrom</a>;</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">return</span> s;</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  }</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordtype">char</span> message[1024];</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  sprintf(message, <span class="stringliteral">"Unknown memory address 0x%.4X"</span>, addr);</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">throw</span> std::string(message);</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  }</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> }</div><div class="ttc" id="classnes_1_1_p_p_u_html_aad2d5ad4e97d301a7ea3eb6d002d4d31"><div class="ttname"><a href="classnes_1_1_p_p_u.html#aad2d5ad4e97d301a7ea3eb6d002d4d31">nes::PPU::latch_ppu_addr</a></div><div class="ttdeci">bool latch_ppu_addr</div><div class="ttdef"><b>Definition:</b> <a href="ppu_8h_source.html#l00027">ppu.h:27</a></div></div>
<div class="ttc" id="classnes_1_1cpu__6502_html_a42ed42f54cf0238437200ea80610fd44"><div class="ttname"><a href="classnes_1_1cpu__6502.html#a42ed42f54cf0238437200ea80610fd44">nes::cpu_6502::nmi</a></div><div class="ttdeci">void nmi()</div><div class="ttdef"><b>Definition:</b> <a href="cpu__6502_8cpp_source.html#l00136">cpu_6502.cpp:136</a></div></div>
<div class="ttc" id="classnes_1_1_p_p_u_html"><div class="ttname"><a href="classnes_1_1_p_p_u.html">nes::PPU</a></div><div class="ttdef"><b>Definition:</b> <a href="ppu_8h_source.html#l00011">ppu.h:11</a></div></div>
<div class="ttc" id="classnes_1_1cpu__6502_html"><div class="ttname"><a href="classnes_1_1cpu__6502.html">nes::cpu_6502</a></div><div class="ttdef"><b>Definition:</b> <a href="cpu__6502_8h_source.html#l00032">cpu_6502.h:32</a></div></div>
<div class="ttc" id="structnes_1_1memory__section_html_a15cc5e7acbf5c6508576c46946198239"><div class="ttname"><a href="structnes_1_1memory__section.html#a15cc5e7acbf5c6508576c46946198239">nes::memory_section::offset</a></div><div class="ttdeci">uint16_t offset</div><div class="ttdef"><b>Definition:</b> <a href="mapper_8h_source.html#l00013">mapper.h:13</a></div></div>
<div class="ttc" id="structnes_1_1memory__section_html_adf95ead77e708b0ed06da403d11fd0fc"><div class="ttname"><a href="structnes_1_1memory__section.html#adf95ead77e708b0ed06da403d11fd0fc">nes::memory_section::addr</a></div><div class="ttdeci">uint16_t addr</div><div class="ttdef"><b>Definition:</b> <a href="mapper_8h_source.html#l00012">mapper.h:12</a></div></div>
<div class="ttc" id="namespacenes_html"><div class="ttname"><a href="namespacenes.html">nes</a></div><div class="ttdef"><b>Definition:</b> <a href="cpu__6502_8cpp_source.html#l00005">cpu_6502.cpp:5</a></div></div>
<div class="ttc" id="classnes_1_1_p_p_u_html_a03ae1e1d7fc71c44a04a41746d0b35d9"><div class="ttname"><a href="classnes_1_1_p_p_u.html#a03ae1e1d7fc71c44a04a41746d0b35d9">nes::PPU::step</a></div><div class="ttdeci">void step(uint16_t)</div><div class="ttdef"><b>Definition:</b> <a href="ppu_8cpp_source.html#l00012">ppu.cpp:12</a></div></div>
<div class="ttc" id="classnes_1_1_p_p_u_html_a61de5dd455ef319902418b69b9c40cc6"><div class="ttname"><a href="classnes_1_1_p_p_u.html#a61de5dd455ef319902418b69b9c40cc6">nes::PPU::ppu_addr</a></div><div class="ttdeci">uint16_t ppu_addr</div><div class="ttdef"><b>Definition:</b> <a href="ppu_8h_source.html#l00028">ppu.h:28</a></div></div>
<div class="ttc" id="crazi_n_e_s_8cpp_html_a640ae9b04d23f7fa3cb3d243eae03f77"><div class="ttname"><a href="crazi_n_e_s_8cpp.html#a640ae9b04d23f7fa3cb3d243eae03f77">cpu</a></div><div class="ttdeci">nes::cpu_6502 * cpu</div><div class="ttdef"><b>Definition:</b> <a href="crazi_n_e_s_8cpp_source.html#l00005">craziNES.cpp:5</a></div></div>
<div class="ttc" id="classnes_1_1_p_p_u_html_aba4a9bcabb017f49a2cfa73ae8e187f4"><div class="ttname"><a href="classnes_1_1_p_p_u.html#aba4a9bcabb017f49a2cfa73ae8e187f4">nes::PPU::cpu</a></div><div class="ttdeci">nes::cpu_6502 * cpu</div><div class="ttdef"><b>Definition:</b> <a href="ppu_8h_source.html#l00032">ppu.h:32</a></div></div>
<div class="ttc" id="classnes_1_1_p_p_u_html_a43eee8292f6f9ea38db3b83085c03bde"><div class="ttname"><a href="classnes_1_1_p_p_u.html#a43eee8292f6f9ea38db3b83085c03bde">nes::PPU::chrrom_map</a></div><div class="ttdeci">void chrrom_map(void *ptr)</div><div class="ttdef"><b>Definition:</b> <a href="ppu_8cpp_source.html#l00146">ppu.cpp:146</a></div></div>
<div class="ttc" id="classnes_1_1_p_p_u_html_a2cde7aed780046bd5dff4e46991cd130"><div class="ttname"><a href="classnes_1_1_p_p_u.html#a2cde7aed780046bd5dff4e46991cd130">nes::PPU::sprite_pattern_table</a></div><div class="ttdeci">uint16_t sprite_pattern_table[2]</div><div class="ttdef"><b>Definition:</b> <a href="ppu_8h_source.html#l00024">ppu.h:24</a></div></div>
<div class="ttc" id="classnes_1_1_p_p_u_html_acfc40e7f841fa9d835743dc2386a3f9d"><div class="ttname"><a href="classnes_1_1_p_p_u.html#acfc40e7f841fa9d835743dc2386a3f9d">nes::PPU::register_write_byte</a></div><div class="ttdeci">static void register_write_byte(void *ptr, uint16_t addr, uint8_t value)</div><div class="ttdef"><b>Definition:</b> <a href="ppu_8cpp_source.html#l00064">ppu.cpp:64</a></div></div>
<div class="ttc" id="classnes_1_1_p_p_u_html_a26b139034eda5f6bccd45574be40208e"><div class="ttname"><a href="classnes_1_1_p_p_u.html#a26b139034eda5f6bccd45574be40208e">nes::PPU::get_section</a></div><div class="ttdeci">memory_section get_section(uint16_t addr)</div><div class="ttdef"><b>Definition:</b> <a href="ppu_8cpp_source.html#l00151">ppu.cpp:151</a></div></div>
<div class="ttc" id="classnes_1_1_p_p_u_html_ab2d57b968dc6485187a7fed8740897e6"><div class="ttname"><a href="classnes_1_1_p_p_u.html#ab2d57b968dc6485187a7fed8740897e6">nes::PPU::scanline</a></div><div class="ttdeci">uint16_t scanline</div><div class="ttdef"><b>Definition:</b> <a href="ppu_8h_source.html#l00030">ppu.h:30</a></div></div>
<div class="ttc" id="classnes_1_1_p_p_u_html_a66b1f464afc03cdce647ffc2c9970850"><div class="ttname"><a href="classnes_1_1_p_p_u.html#a66b1f464afc03cdce647ffc2c9970850">nes::PPU::PPU</a></div><div class="ttdeci">PPU(nes::cpu_6502 *)</div><div class="ttdef"><b>Definition:</b> <a href="ppu_8cpp_source.html#l00007">ppu.cpp:7</a></div></div>
<div class="ttc" id="ppu_8h_html"><div class="ttname"><a href="ppu_8h.html">ppu.h</a></div></div>
<div class="ttc" id="structnes_1_1memory__section_html_a670affcc954678f783010ac09b78fa30"><div class="ttname"><a href="structnes_1_1memory__section.html#a670affcc954678f783010ac09b78fa30">nes::memory_section::ptr</a></div><div class="ttdeci">void * ptr</div><div class="ttdef"><b>Definition:</b> <a href="mapper_8h_source.html#l00014">mapper.h:14</a></div></div>
<div class="ttc" id="classnes_1_1_p_p_u_html_a2a5826c4abc5f6413086b35c95f964bb"><div class="ttname"><a href="classnes_1_1_p_p_u.html#a2a5826c4abc5f6413086b35c95f964bb">nes::PPU::pixel</a></div><div class="ttdeci">uint16_t pixel</div><div class="ttdef"><b>Definition:</b> <a href="ppu_8h_source.html#l00031">ppu.h:31</a></div></div>
<div class="ttc" id="classnes_1_1_p_p_u_html_aba530a9d675d00b1285da6b012e77778"><div class="ttname"><a href="classnes_1_1_p_p_u.html#aba530a9d675d00b1285da6b012e77778">nes::PPU::base_name_table</a></div><div class="ttdeci">uint16_t base_name_table[4]</div><div class="ttdef"><b>Definition:</b> <a href="ppu_8h_source.html#l00023">ppu.h:23</a></div></div>
<div class="ttc" id="classnes_1_1_p_p_u_html_a639ae509e1de1665efd9c03d243c4f6d"><div class="ttname"><a href="classnes_1_1_p_p_u.html#a639ae509e1de1665efd9c03d243c4f6d">nes::PPU::registers</a></div><div class="ttdeci">uint8_t registers[8]</div><div class="ttdef"><b>Definition:</b> <a href="ppu_8h_source.html#l00020">ppu.h:20</a></div></div>
<div class="ttc" id="classnes_1_1_p_p_u_html_a04921d3136301e266f962e59cd23eb81"><div class="ttname"><a href="classnes_1_1_p_p_u.html#a04921d3136301e266f962e59cd23eb81">nes::PPU::background_pattern_table</a></div><div class="ttdeci">uint16_t background_pattern_table[2]</div><div class="ttdef"><b>Definition:</b> <a href="ppu_8h_source.html#l00025">ppu.h:25</a></div></div>
<div class="ttc" id="classnes_1_1_p_p_u_html_a1aad49f2bdb2936f928d4f6152b384bd"><div class="ttname"><a href="classnes_1_1_p_p_u.html#a1aad49f2bdb2936f928d4f6152b384bd">nes::PPU::register_read_byte</a></div><div class="ttdeci">static uint8_t register_read_byte(void *ptr, uint16_t addr)</div><div class="ttdef"><b>Definition:</b> <a href="ppu_8cpp_source.html#l00123">ppu.cpp:123</a></div></div>
<div class="ttc" id="classnes_1_1_p_p_u_html_a966734bef081e761756b61fc23fa8e99"><div class="ttname"><a href="classnes_1_1_p_p_u.html#a966734bef081e761756b61fc23fa8e99">nes::PPU::chrrom</a></div><div class="ttdeci">uint8_t * chrrom</div><div class="ttdef"><b>Definition:</b> <a href="ppu_8h_source.html#l00021">ppu.h:21</a></div></div>
<div class="ttc" id="structnes_1_1memory__section_html"><div class="ttname"><a href="structnes_1_1memory__section.html">nes::memory_section</a></div><div class="ttdef"><b>Definition:</b> <a href="mapper_8h_source.html#l00010">mapper.h:10</a></div></div>
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