public void handler() {
            ROM_REGION(CODE_SIZE, REGION_CPU1);     /* 68000 code */

            ROM_LOAD_EVEN("chj36a.bin", 0x00000, 0x20000, 0xec1328d8);
            ROM_LOAD_ODD("chj42a.bin", 0x00000, 0x20000, 0x4ae13503);
            ROM_LOAD_EVEN("chj37a.bin", 0x40000, 0x20000, 0x46d2cf7b);
            ROM_LOAD_ODD("chj43a.bin", 0x40000, 0x20000, 0x8d387fe8);
            ROM_LOAD_WIDE_SWAP("ch_32.rom", 0x80000, 0x80000, 0x9b70bd41);

            ROM_REGION(0x200000, REGION_GFX1 | REGIONFLAG_DISPOSE);
            ROM_LOAD("ch_gfx1.rom", 0x000000, 0x80000, 0xf33ca9d4);
            ROM_LOAD("ch_gfx5.rom", 0x080000, 0x80000, 0x4ec75f15);
            ROM_LOAD("ch_gfx3.rom", 0x100000, 0x80000, 0x0ba2047f);
            ROM_LOAD("ch_gfx7.rom", 0x180000, 0x80000, 0xd85d00d6);

            ROM_REGION(0x18000, REGION_CPU2);/* 64k for the audio CPU (+banks) */

            ROM_LOAD("ch_09.rom", 0x00000, 0x08000, 0x4d4255b7);
            ROM_CONTINUE(0x10000, 0x08000);

            ROM_REGION(0x40000, REGION_SOUND1);/* Samples */

            ROM_LOAD("ch_18.rom", 0x00000, 0x20000, 0xf909e8de);
            ROM_LOAD("ch_19.rom", 0x20000, 0x20000, 0xfc158cf7);
            ROM_END();
        }