/************************************************************************* Bonze Adventure C-Chip ====================== Based on RAINE. Improvements with a lot of help from Ruben Panossian. Additional thanks to Robert Gallagher and Stephane Humbert. Verification on real hardware by Bryan McPhail, Feb 2006: The restart positions on real hardware are affected by the level variable, as well as scroll & player position. The old implementation did not account for this and so overlapping map positions between levels reported the wrong data. Restart data is confirmed correct & complete. Previously many restart points were missed. Mapping of restart positions now accurate to the real hardware - previously these values were approximated by hand (and many missing). *************************************************************************/ #include "driver.h" static int current_round = 0; static int current_bank = 0; static UINT8 cval[26]; static UINT8 cc_port; static UINT8 restart_status; struct cchip_mapping { UINT16 xmin; UINT16 xmax; UINT16 ymin; UINT16 ymax; UINT16 sx; UINT16 sy; UINT16 px; UINT16 py; }; static const UINT16 CLEV[][13] = { /* map start player start player y-range player x-range map y-range map x-range time */ { 0x0000, 0x0018, 0x0020, 0x0030, 0x0028, 0x00D0, 0x0050, 0x0090, 0x0000, 0x0118, 0x0000, 0x0C90, 0x3800 }, { 0x0000, 0x0100, 0x0048, 0x0028, 0x0028, 0x0090, 0x0070, 0x00B0, 0x0000, 0x02C0, 0x0000, 0x0CA0, 0x3000 }, { 0x0000, 0x0518, 0x0068, 0x00B8, 0x0028, 0x00D0, 0x0068, 0x00B0, 0x02F8, 0x0518, 0x0000, 0x0EF8, 0x3000 }, { 0x0978, 0x0608, 0x00C8, 0x00B0, 0x0028, 0x00D0, 0x0098, 0x00C8, 0x0608, 0x06E8, 0x0000, 0x0A48, 0x2000 }, { 0x0410, 0x0708, 0x0070, 0x0030, 0x0028, 0x00D0, 0x0060, 0x0090, 0x0708, 0x0708, 0x0410, 0x1070, 0x3800 }, { 0x1288, 0x0808, 0x0099, 0x00CE, 0x0028, 0x00D0, 0x0060, 0x00C0, 0x0000, 0x0808, 0x1288, 0x1770, 0x3000 }, { 0x11B0, 0x0908, 0x0118, 0x0040, 0x0028, 0x00D0, 0x00B0, 0x00C0, 0x0900, 0x0910, 0x0050, 0x11B0, 0x3800 }, { 0x0000, 0x0808, 0x0028, 0x00B8, 0x0028, 0x00D0, 0x0070, 0x00B0, 0x0808, 0x0808, 0x0000, 0x0398, 0x1000 }, { 0x06F8, 0x0808, 0x0028, 0x00B8, 0x0028, 0x00D0, 0x0070, 0x00B0, 0x0808, 0x0808, 0x06F8, 0x06F8, 0x8800 }, { 0x06F8, 0x0808, 0x0028, 0x00B8, 0x0028, 0x00D0, 0x0070, 0x00B0, 0x0808, 0x0808, 0x06F8, 0x06F8, 0xffff }, { 0x06F8, 0x0808, 0x0028, 0x00B8, 0x0028, 0x00D0, 0x0070, 0x00B0, 0x0808, 0x0808, 0x06F8, 0x06F8, 0xffff }, }; static const struct cchip_mapping level00[] = { /* X1 X2 Y1 Y2 => SX SY PX PY */ { 0x0000, 0x0200, 0x0000, 0x0100, 0x0000, 0x0018, 0x0020, 0x00a8 }, { 0x0200, 0x0380, 0x0000, 0x0100, 0x01e0, 0x0018, 0x0070, 0x0098 }, { 0x0380, 0x0620, 0x0000, 0x0100, 0x04a0, 0x0018, 0x0070, 0x0090 }, { 0x0620, 0x08f0, 0x0000, 0x0100, 0x06b8, 0x0018, 0x0078, 0x0078 }, { 0x08f0, 0x0a20, 0x0000, 0x0100, 0x08c8, 0x0018, 0x0070, 0x0028 }, { 0x0a20, 0x0c80, 0x0000, 0x0100, 0x0a68, 0x0018, 0x0070, 0x0058 }, { 0x0c80, 0x0e00, 0x0000, 0x0100, 0x0c40, 0x0018, 0x0070, 0x0040 }, { 0x0380, 0x07c0, 0x0100, 0x0200, 0x0038, 0x0418, 0x0070, 0x00a8 }, { 0xff } }; static const struct cchip_mapping level01[] = { /* X1 X2 Y1 Y2 => SX SY PX PY */ { 0x0000, 0x0120, 0x0100, 0x0200, 0x0000, 0x0208, 0x0040, 0x0070 }, { 0x0000, 0x0120, 0x0200, 0x0300, 0x0000, 0x0208, 0x0040, 0x0070 }, { 0x0120, 0x0460, 0x0200, 0x0300, 0x0080, 0x0218, 0x00b0, 0x0080 }, { 0x0460, 0x0690, 0x0200, 0x0278, 0x0450, 0x01f8, 0x0090, 0x0030 }, { 0x0460, 0x0690, 0x0278, 0x0300, 0x0450, 0x0218, 0x00a0, 0x00a0 }, { 0x0690, 0x07d0, 0x0200, 0x0278, 0x0618, 0x01f8, 0x00a0, 0x0040 }, { 0x0690, 0x07d0, 0x0278, 0x0300, 0x0628, 0x0218, 0x00a8, 0x00b0 }, { 0x07d0, 0x08b0, 0x0200, 0x0300, 0x07a8, 0x0218, 0x0090, 0x0060 }, { 0x08b0, 0x09d0, 0x0200, 0x0300, 0x0840, 0x0218, 0x0088, 0x0060 }, { 0x09d0, 0x0b00, 0x0200, 0x0300, 0x0958, 0x0218, 0x00a0, 0x0070 }, { 0x0b00, 0x0c90, 0x0200, 0x0300, 0x0a98, 0x0218, 0x0088, 0x0050 }, { 0x0c90, 0x0e00, 0x0200, 0x0300, 0x0c20, 0x0200, 0x00a0, 0x0028 }, { 0xff } }; static const struct cchip_mapping level02[] = { /* X1 X2 Y1 Y2 => SX SY PX PY */ { 0x0000, 0x01c0, 0x04f4, 0x05f8, 0x0000, 0x0518, 0x0068, 0x00b0 }, { 0x01c0, 0x03c0, 0x04f4, 0x05f8, 0x00d0, 0x0518, 0x0078, 0x0060 }, { 0x03c0, 0x06e0, 0x04f4, 0x05f8, 0x02f0, 0x0518, 0x0078, 0x0048 }, { 0x06e0, 0x0840, 0x04f4, 0x05f8, 0x0670, 0x0518, 0x0078, 0x0048 }, { 0x0840, 0x0a10, 0x04f4, 0x05f8, 0x07d8, 0x0518, 0x0070, 0x0060 }, { 0x0a10, 0x0b80, 0x04f4, 0x05f8, 0x09e8, 0x0500, 0x0080, 0x0080 }, { 0x0b80, 0x1090, 0x04f4, 0x05f8, 0x0b20, 0x0418, 0x0070, 0x0080 }, { 0x0230, 0x03a0, 0x040c, 0x04f4, 0x02e8, 0x04b0, 0x0080, 0x0090 }, { 0x03a0, 0x03b0, 0x040c, 0x04f4, 0x0278, 0x0318, 0x0078, 0x00a8 }, { 0x0520, 0x08e0, 0x040c, 0x04f4, 0x0608, 0x0318, 0x0080, 0x0058 }, { 0x08e0, 0x0a00, 0x040c, 0x04f4, 0x0878, 0x0318, 0x0078, 0x0098 }, { 0x0230, 0x03b0, 0x02f8, 0x040c, 0x0278, 0x0318, 0x0078, 0x00a8 }, { 0x03b0, 0x0520, 0x02f8, 0x040c, 0x0390, 0x0318, 0x0070, 0x00b8 }, { 0x0520, 0x08e0, 0x02f8, 0x040c, 0x0608, 0x0318, 0x0080, 0x0058 }, { 0x08e0, 0x0a00, 0x02f8, 0x040c, 0x0878, 0x0318, 0x0078, 0x0098 } }; static const struct cchip_mapping level03[] = { /* X1 X2 Y1 Y2 => SX SY PX PY */ { 0x0000, 0x0280, 0x0618, 0x06f8, 0x00d8, 0x0608, 0x00b8, 0x00a0 }, { 0x0280, 0x0380, 0x0618, 0x06f8, 0x02b0, 0x0608, 0x00b8, 0x0090 }, { 0x0380, 0x0620, 0x0618, 0x06f8, 0x02c8, 0x0608, 0x00c0, 0x0090 }, { 0x0620, 0x0760, 0x0618, 0x06f8, 0x0630, 0x0608, 0x00c0, 0x0028 }, { 0x0760, 0x0910, 0x0618, 0x06f8, 0x07e8, 0x0608, 0x00b8, 0x0078 }, { 0x0910, 0x0a30, 0x0618, 0x06f8, 0x0930, 0x0608, 0x00b8, 0x0080 }, { 0x0a30, 0x0b60, 0x0618, 0x06f8, 0x0a48, 0x0608, 0x00c0, 0x0068 }, { 0x0090, 0x01d0, 0x06f8, 0x07f8, 0x0020, 0x0610, 0x00b8, 0x00a8 }, { 0xff } }; static const struct cchip_mapping level04[] = { /* X1 X2 Y1 Y2 => SX SY PX PY */ { 0x0390, 0x06a0, 0x0704, 0x0804, 0x0560, 0x0708, 0x0068, 0x0090 }, { 0x06a0, 0x0850, 0x0704, 0x0804, 0x0600, 0x0708, 0x0080, 0x0070 }, { 0x0850, 0x09e0, 0x0704, 0x0804, 0x0860, 0x0708, 0x0060, 0x0090 }, { 0x09e0, 0x0c00, 0x0704, 0x0804, 0x09c0, 0x0708, 0x0068, 0x0080 }, { 0x0c00, 0x0da0, 0x0704, 0x0804, 0x0c58, 0x0708, 0x0068, 0x0070 }, { 0x0da0, 0x0f80, 0x0704, 0x0804, 0x0d80, 0x0708, 0x0070, 0x00b0 }, { 0x0f80, 0x1080, 0x0704, 0x0804, 0x0ea8, 0x0708, 0x0070, 0x00b0 }, { 0x1080, 0x1230, 0x0704, 0x0804, 0x0fc0, 0x0708, 0x0080, 0x0030 }, { 0xff } }; static const struct cchip_mapping level05[] = { /* X1 X2 Y1 Y2 => SX SY PX PY */ { 0x1280, 0x1370, 0x800, 0x900, 0x1288, 0x0808, 0x0099, 0x00ce }, { 0x1370, 0x14e0, 0x800, 0x900, 0x12f0, 0x0808, 0x0078, 0x0028 }, { 0x14e0, 0x1660, 0x800, 0x900, 0x1488, 0x0808, 0x0080, 0x0070 }, { 0x1660, 0x18f0, 0x800, 0x900, 0x1600, 0x0808, 0x0080, 0x0090 }, { 0x1480, 0x1640, 0x6f8, 0x800, 0x1508, 0x0708, 0x0080, 0x0090 }, { 0x1640, 0x1760, 0x6f8, 0x800, 0x16e8, 0x06f0, 0x0080, 0x0058 }, { 0x1760, 0x1900, 0x6f8, 0x800, 0x1770, 0x0728, 0x0080, 0x0080 }, { 0x14e0, 0x1570, 0x6a0, 0x6f8, 0x1508, 0x05e8, 0x0040, 0x0088 }, { 0x1570, 0x1680, 0x6a0, 0x6f8, 0x1568, 0x0608, 0x0080, 0x0090 }, { 0x1680, 0x1770, 0x6a0, 0x6f8, 0x1640, 0x05e8, 0x0088, 0x0088 }, { 0x1770, 0x18d0, 0x6a0, 0x6f8, 0x1770, 0x0650, 0x00d8, 0x0070 }, { 0x14e0, 0x1570, 0x664, 0x6a0, 0x1508, 0x05e8, 0x0040, 0x0088 }, { 0x1570, 0x1680, 0x664, 0x6a0, 0x1578, 0x05d0, 0x0098, 0x0060 }, { 0x1680, 0x1770, 0x664, 0x6a0, 0x1640, 0x05e8, 0x0088, 0x0088 }, { 0x1770, 0x18d0, 0x664, 0x6a0, 0x1770, 0x0650, 0x00d8, 0x0070 }, { 0x14e0, 0x1570, 0x624, 0x664, 0x1508, 0x05e8, 0x0040, 0x0088 }, { 0x1570, 0x1680, 0x624, 0x664, 0x1578, 0x05d0, 0x0098, 0x0060 }, { 0x1680, 0x1770, 0x624, 0x664, 0x1640, 0x05e8, 0x0088, 0x0088 }, { 0x1770, 0x18d0, 0x624, 0x664, 0x1770, 0x0588, 0x0090, 0x0088 }, { 0x14e0, 0x1570, 0x5d4, 0x624, 0x1508, 0x05e8, 0x0040, 0x0088 }, { 0x1570, 0x1680, 0x5d4, 0x624, 0x1578, 0x05d0, 0x0098, 0x0060 }, { 0x1680, 0x16a0, 0x5d4, 0x624, 0x1630, 0x0528, 0x0088, 0x0088 }, { 0x16a0, 0x1770, 0x5d4, 0x624, 0x1658, 0x0528, 0x0088, 0x0088 }, { 0x1770, 0x18d0, 0x5d4, 0x624, 0x1770, 0x0588, 0x0090, 0x0088 }, { 0x14e0, 0x15d0, 0x5a4, 0x5d4, 0x1508, 0x0580, 0x0040, 0x0080 }, { 0x15d0, 0x15f0, 0x5a4, 0x5d4, 0x1508, 0x04f8, 0x0080, 0x0060 }, { 0x15f0, 0x1630, 0x5a4, 0x5d4, 0x1580, 0x04f8, 0x0068, 0x0080 }, { 0x1630, 0x16a0, 0x5a4, 0x5d4, 0x1630, 0x0530, 0x0088, 0x0080 }, { 0x16a0, 0x17b0, 0x5a4, 0x5d4, 0x1658, 0x0528, 0x0088, 0x0088 }, { 0x17b0, 0x18c0, 0x5a4, 0x5d4, 0x1770, 0x0508, 0x0098, 0x0088 }, { 0x14e0, 0x15f0, 0x4f8, 0x5a4, 0x1508, 0x04f8, 0x0080, 0x0060 }, { 0x15f0, 0x1670, 0x4f8, 0x5a4, 0x15c8, 0x0548, 0x00a8, 0x0070 }, { 0x1670, 0x1750, 0x4f8, 0x5a4, 0x1680, 0x0528, 0x00a8, 0x0070 }, { 0x1750, 0x18d0, 0x4f8, 0x5a4, 0x1770, 0x04a0, 0x00a8, 0x0078 }, { 0x14e0, 0x1630, 0x478, 0x4f8, 0x1508, 0x04f8, 0x0080, 0x0060 }, { 0x1630, 0x16b0, 0x478, 0x4f8, 0x15d0, 0x0440, 0x00b8, 0x0078 }, { 0x16b0, 0x1760, 0x478, 0x4f8, 0x1660, 0x0460, 0x0080, 0x0060 }, { 0x1760, 0x17f0, 0x478, 0x4f8, 0x1738, 0x0420, 0x0090, 0x0070 }, { 0x17f0, 0x18d0, 0x478, 0x4f8, 0x1770, 0x0450, 0x00d8, 0x0060 }, { 0x14e0, 0x16d0, 0x3f8, 0x478, 0x1500, 0x03e8, 0x0090, 0x0058 }, { 0x16d0, 0x17f0, 0x3f8, 0x478, 0x16e0, 0x0398, 0x0068, 0x0068 }, { 0x17f0, 0x18d0, 0x3f8, 0x478, 0x1770, 0x0450, 0x00d8, 0x0060 }, { 0x14e0, 0x1610, 0x35c, 0x3f8, 0x1518, 0x0368, 0x0090, 0x0058 }, { 0x1610, 0x16b0, 0x35c, 0x3f8, 0x15b0, 0x0340, 0x0098, 0x0058 }, { 0x16b0, 0x17e0, 0x35c, 0x3f8, 0x1728, 0x0320, 0x0068, 0x0068 }, { 0x17e0, 0x18d0, 0x35c, 0x3f8, 0x1770, 0x0330, 0x00c0, 0x0080 }, { 0x14e0, 0x1650, 0x2f8, 0x35c, 0x1518, 0x0368, 0x0090, 0x0058 }, { 0x1650, 0x17d0, 0x2f8, 0x35c, 0x1630, 0x02b0, 0x0088, 0x0060 }, { 0x17d0, 0x18d0, 0x2f8, 0x35c, 0x1740, 0x02a8, 0x0090, 0x0058 }, { 0x14e0, 0x1650, 0x268, 0x2f8, 0x15a8, 0x0268, 0x0080, 0x0058 }, { 0x1650, 0x17b0, 0x268, 0x2f8, 0x1650, 0x0250, 0x0080, 0x0058 }, { 0x17b0, 0x18d0, 0x268, 0x2f8, 0x1740, 0x02a8, 0x0090, 0x0058 }, { 0x14e0, 0x15f0, 0x1d8, 0x268, 0x1508, 0x0208, 0x0078, 0x0060 }, { 0x15f0, 0x17b0, 0x1d8, 0x268, 0x16c8, 0x0178, 0x0080, 0x0060 }, { 0x17b0, 0x18d0, 0x1d8, 0x268, 0x1740, 0x02a8, 0x0090, 0x0058 }, { 0x14e0, 0x18d0, 0x158, 0x1d8, 0x1610, 0x0110, 0x0078, 0x0068 }, { 0x14e0, 0x18d0, 0x158, 0x1d8, 0x1610, 0x0110, 0x0078, 0x0068 }, { 0x14d0, 0x18d0, 0x15c, 0x19c, 0x1618, 0x0110, 0x0078, 0x0068 }, { 0x14d0, 0x15b0, 0x19c, 0x1bc, 0x1618, 0x0110, 0x0078, 0x0068 }, { 0x15b0, 0x1670, 0x19c, 0x1bc, 0x1580, 0x0128, 0x0070, 0x0080 }, { 0x1670, 0x18d0, 0x19c, 0x1bc, 0x1618, 0x0110, 0x0078, 0x0068 }, { 0x14d0, 0x14f0, 0x1bc, 0x1dc, 0x1618, 0x0110, 0x0078, 0x0068 }, { 0x14f0, 0x15f0, 0x1bc, 0x1dc, 0x1508, 0x0208, 0x0078, 0x0060 }, { 0x15f0, 0x1670, 0x1bc, 0x1dc, 0x1580, 0x0128, 0x0070, 0x0080 }, { 0x1670, 0x18d0, 0x1bc, 0x1dc, 0x1618, 0x0110, 0x0078, 0x0068 }, { 0x14d0, 0x14f0, 0x1bc, 0x1dc, 0x1618, 0x0110, 0x0078, 0x0068 }, { 0x14f0, 0x1670, 0x18c, 0x1bc, 0x1508, 0x0208, 0x0078, 0x0060 }, { 0x14d0, 0x15b0, 0x18c, 0x1bc, 0x1618, 0x0110, 0x0078, 0x0068 }, { 0x15b0, 0x1670, 0x18c, 0x1bc, 0x1580, 0x0128, 0x0070, 0x0080 }, { 0x1670, 0x18d0, 0x18c, 0x1bc, 0x1618, 0x0110, 0x0078, 0x0068 }, { 0x14d0, 0x18d0, 0x15c, 0x18c, 0x1618, 0x0110, 0x0078, 0x0068 }, { 0x14e0, 0x1840, 0x098, 0x15c, 0x16b0, 0x00b0, 0x0088, 0x0060 }, { 0x1840, 0x18d0, 0x088, 0x15c, 0x1770, 0x0118, 0x00c0, 0x0060 }, { 0x1250, 0x15a0, 0x000, 0x108, 0x1500, 0x0000, 0x0080, 0x0048 }, { 0x15a0, 0x16f0, 0x000, 0x098, 0x1698, 0x0000, 0x0080, 0x0050 }, { 0x16f0, 0x18d0, 0x000, 0x088, 0x1770, 0x0000, 0x00b8, 0x0060 }, { 0x1250, 0x14e0, 0x000, 0x10c, 0x1500, 0x0000, 0x0080, 0x0048 }, { 0x14e0, 0x15a0, 0x000, 0x09c, 0x1500, 0x0000, 0x0080, 0x0048 }, { 0x15a0, 0x16f0, 0x000, 0x09c, 0x1698, 0x0000, 0x0080, 0x0050 }, { 0x16f0, 0x1830, 0x000, 0x09c, 0x1770, 0x0000, 0x00b8, 0x0060 }, { 0x1830, 0x18d0, 0x000, 0x09c, 0x1770, 0x0118, 0x00c0, 0x0060 }, { 0x14e0, 0x1830, 0x09c, 0x158, 0x16b0, 0x00b0, 0x0088, 0x0060 }, { 0x1830, 0x18d0, 0x09c, 0x158, 0x1770, 0x0118, 0x00c0, 0x0060 }, //-------------------------- { 0x14e0, 0x1650, 0x29c, 0x2f0, 0x15a8, 0x0268, 0x0080, 0x0058 }, { 0x14e0, 0x1610, 0x2f0, 0x3fc, 0x1518, 0x0368, 0x0090, 0x0058 }, { 0x14e0, 0x1630, 0x3fc, 0x46c, 0x1500, 0x03e8, 0x0090, 0x0058 }, { 0x14e0, 0x1630, 0x46c, 0x51c, 0x1508, 0x04f8, 0x0080, 0x0060 }, { 0x14e0, 0x15f0, 0x51c, 0x59c, 0x1508, 0x04f8, 0x0080, 0x0060 }, { 0x14e0, 0x15f0, 0x59c, 0x5d8, 0x1508, 0x0580, 0x0040, 0x0080 }, { 0x14e0, 0x1570, 0x5d8, 0x700, 0x1508, 0x05e8, 0x0040, 0x0088 }, { 0x1480, 0x1640, 0x700, 0x808, 0x1508, 0x0708, 0x0080, 0x0090 }, { 0x0000, 0x18d0, 0x000, 0x900, 0x1288, 0x0808, 0x0099, 0x00ce }, { 0xff } }; static const struct cchip_mapping level06[] = { /* X1 X2 Y1 Y2 => SX SY PX PY */ { 0x0000, 0x01a0, 0x0904, 0x0a04, 0x00d0, 0x0908, 0x00b0, 0x0090 }, { 0x01a0, 0x04e0, 0x0904, 0x0a04, 0x03d0, 0x0908, 0x00b0, 0x0038 }, { 0x04e0, 0x0740, 0x0904, 0x0a04, 0x0660, 0x0908, 0x00b0, 0x0098 }, { 0x0740, 0x0950, 0x0904, 0x0a04, 0x07e8, 0x0908, 0x00b8, 0x00b8 }, { 0x0950, 0x0a80, 0x0904, 0x0a04, 0x08f8, 0x0908, 0x00b0, 0x0080 }, { 0x0a80, 0x0da0, 0x0904, 0x0a04, 0x0cd0, 0x0908, 0x00b8, 0x00b0 }, { 0x0da0, 0x0f40, 0x0904, 0x0a04, 0x0e08, 0x0908, 0x00b8, 0x0070 }, { 0x0f40, 0x10c0, 0x0904, 0x0a04, 0x0fe8, 0x0908, 0x00b8, 0x0098 }, { 0x10c0, 0x1370, 0x0904, 0x0a04, 0x1140, 0x0908, 0x00b8, 0x0068 }, { 0xff } }; static const struct cchip_mapping level07[] = { /* X1 X2 Y1 Y2 => SX SY PX PY */ { 0x0000, 0x0570, 0x0804, 0x0904, 0x0000, 0x0808, 0x0028, 0x00b8 }, { 0xff } }; static const struct cchip_mapping level08[] = { /* X1 X2 Y1 Y2 => SX SY PX PY */ { 0x0000, 0xf000, 0x0000, 0xf000, 0x06f8, 0x0808, 0x0028, 0x00b8 }, { 0xff } }; static const struct cchip_mapping* levelData[]= { level00, level01, level02, level03, level04, level05, level06, level07, level08 }; static void WriteLevelData(void) { int i; for (i = 0; i < 13; i++) { UINT16 v = CLEV[current_round][i]; cval[2 * i + 0] = v & 0xff; cval[2 * i + 1] = v >> 8; } } static void WriteRestartPos(int level) { /* Cval0/1 = scroll x position Cval4/5 = player x screen position Cval2/3 = scroll y position Cval6/7 = player y screen position These are combined to find the absolute player position on the map, which is then given to the C-Chip in order for the restart position to be returned. */ int x = cval[0] + 256 * cval[1] + cval[4] + 256 * cval[5]; int y = cval[2] + 256 * cval[3] + cval[6] + 256 * cval[7]; const struct cchip_mapping* thisLevel=levelData[level]; while (thisLevel->xmin!=0xff) { if (x >= thisLevel->xmin && x < thisLevel->xmax && y >= thisLevel->ymin && y < thisLevel->ymax) { cval[0] = thisLevel->sx & 0xff; cval[1] = thisLevel->sx >> 8; cval[2] = thisLevel->sy & 0xff; cval[3] = thisLevel->sy >> 8; cval[4] = thisLevel->px & 0xff; cval[5] = thisLevel->px >> 8; cval[6] = thisLevel->py & 0xff; cval[7] = thisLevel->py >> 8; // Restart position found ok restart_status=0; return; } thisLevel++; } // No restart position found for this position (cval0-7 confirmed unchanged in this case) restart_status=0xff; } /************************************* * * Writes to C-Chip - Important Bits * *************************************/ WRITE16_HANDLER( bonzeadv_cchip_ctrl_w ) { /* value 2 is written here */ } WRITE16_HANDLER( bonzeadv_cchip_bank_w ) { current_bank = data & 7; } WRITE16_HANDLER( bonzeadv_cchip_ram_w ) { // if (activecpu_get_pc()!=0xa028) // logerror("%08x: write %04x %04x cchip\n", activecpu_get_pc(), offset, data); if (current_bank == 0) { if (offset == 0x08) { cc_port = data; coin_lockout_w(1, data & 0x80); coin_lockout_w(0, data & 0x40); coin_counter_w(1, data & 0x20); coin_counter_w(0, data & 0x10); } if (offset == 0x0e && data != 0x00) { WriteRestartPos(current_round); } if (offset == 0x0f && data != 0x00) { WriteLevelData(); } if (offset == 0x10) { current_round = data; } if (offset >= 0x11 && offset <= 0x2a) { cval[offset - 0x11] = data; } } } /************************************* * * Reads from C-Chip * *************************************/ READ16_HANDLER( bonzeadv_cchip_ctrl_r ) { /* Bit 2 = Error signal Bit 0 = Ready signal */ return 0x01; /* Return 0x05 for C-Chip error */ } READ16_HANDLER( bonzeadv_cchip_ram_r ) { // logerror("%08x: read %04x cchip\n", activecpu_get_pc(), offset); if (current_bank == 0) { switch (offset) { case 0x03: return readinputportbytag("800007"); /* STARTn + SERVICE1 */ case 0x04: return readinputportbytag("800009"); /* COINn */ case 0x05: return readinputportbytag("80000B"); /* Player controls + TILT */ case 0x06: return readinputportbytag("80000D"); /* Player controls (cocktail) */ case 0x08: return cc_port; } if (offset == 0x0e) { return restart_status; /* 0xff signals error, 0 signals ok */ } if (offset >= 0x11 && offset <= 0x2a) { return cval[offset - 0x11]; } } return 0; }