project64/Source/Project64-video/ucode09rdp.cpp

// Project64 - A Nintendo 64 emulator
// http://www.pj64-emu.com/
// Copyright(C) 2001-2021 Project64
// Copyright(C) 2003-2009 Sergey 'Gonetz' Lipski
// Copyright(C) 2002 Dave2001
// GNU/GPLv2 licensed: https://gnu.org/licenses/gpl-2.0.html
#include <Project64-video/rdp.h>
#include <Project64-video/Gfx_1.3.h>
#include <Project64-video/trace.h>
#include <Project64-video/ucode.h>

void uc9_rpdcmd()
{
    uint32_t a = segoffset(rdp.cmd1) >> 2;
    WriteTrace(TraceRDP, TraceDebug, "uc9:rdpcmd addr: %08lx", a);
    if (a)
    {
        rdp.LLE = 1;
        uint32_t cmd = 0;
        while (1)
        {
            rdp.cmd0 = ((uint32_t*)gfx.RDRAM)[a++];
            cmd = rdp.cmd0 >> 24;
            if (cmd == 0xDF)
                break;
            rdp.cmd1 = ((uint32_t*)gfx.RDRAM)[a++];
            if (cmd == 0xE4 || cmd == 0xE5)
            {
                a++;
                rdp.cmd2 = ((uint32_t*)gfx.RDRAM)[a++];
                a++;
                rdp.cmd3 = ((uint32_t*)gfx.RDRAM)[a++];
            }
            gfx_instruction[CSettings::ucode_zSort][cmd]();
        };
        rdp.LLE = 0;
    }
}