mirror of
https://github.com/mamedev/mame.git
synced 2024-09-29 17:38:18 +02:00
R. Belmont
GitHub
commit
4297e32d5a
16 changed files with 93 additions and 109 deletions
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@ -103,7 +103,7 @@ READ16_MEMBER( boogwing_state::boogwing_protection_region_0_104_r )
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int real_address = 0 + (offset *2);
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int deco146_addr = bitswap<32>(real_address, /* NC */31,30,29,28,27,26,25,24,23,22,21,20,19,18, 13,12,11,/**/ 17,16,15,14, 10,9,8, 7,6,5,4, 3,2,1,0) & 0x7fff;
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uint8_t cs = 0;
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uint16_t data = m_deco104->read_data( deco146_addr, mem_mask, cs );
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uint16_t data = m_deco104->read_data( deco146_addr, cs );
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return data;
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}
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@ -68,7 +68,7 @@ READ16_MEMBER( cninja_state::cninja_protection_region_0_104_r )
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int real_address = 0 + (offset *2);
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int deco146_addr = bitswap<32>(real_address, /* NC */31,30,29,28,27,26,25,24,23,22,21,20,19,18, 13,12,11,/**/ 17,16,15,14, 10,9,8, 7,6,5,4, 3,2,1,0) & 0x7fff;
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uint8_t cs = 0;
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uint16_t data = m_ioprot->read_data( deco146_addr, mem_mask, cs );
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uint16_t data = m_ioprot->read_data( deco146_addr, cs );
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return data;
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}
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@ -150,7 +150,7 @@ READ16_MEMBER( cninja_state::edrandy_protection_region_8_146_r )
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int real_address = 0x1a0000 + (offset *2);
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int deco146_addr = bitswap<32>(real_address, /* NC */31,30,29,28,27,26,25,24,23,22,21,20,19,18, 13,12,11,/**/ 17,16,15,14, 10,9,8, 7,6,5,4, 3,2,1,0) & 0x7fff;
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uint8_t cs = 0;
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uint16_t data = m_ioprot->read_data( deco146_addr, mem_mask, cs );
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uint16_t data = m_ioprot->read_data( deco146_addr, cs );
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return data;
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}
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@ -169,7 +169,7 @@ READ16_MEMBER( cninja_state::edrandy_protection_region_6_146_r )
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int real_address = 0x198000 + (offset *2);
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int deco146_addr = bitswap<32>(real_address, /* NC */31,30,29,28,27,26,25,24,23,22,21,20,19,18, 13,12,11,/**/ 17,16,15,14, 10,9,8, 7,6,5,4, 3,2,1,0) & 0x7fff;
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uint8_t cs = 0;
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uint16_t data = m_ioprot->read_data( deco146_addr, mem_mask, cs );
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uint16_t data = m_ioprot->read_data( deco146_addr, cs );
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// if ((realdat & mem_mask) != (data & mem_mask))
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@ -259,7 +259,7 @@ READ16_MEMBER( cninja_state::mutantf_protection_region_0_146_r )
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int real_address = 0 + (offset *2);
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int deco146_addr = bitswap<32>(real_address, /* NC */31,30,29,28,27,26,25,24,23,22,21,20,19,18, 13,12,11,/**/ 17,16,15,14, 10,9,8, 7,6,5,4, 3,2,1,0) & 0x7fff;
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uint8_t cs = 0;
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uint16_t data = m_ioprot->read_data( deco146_addr, mem_mask, cs );
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uint16_t data = m_ioprot->read_data( deco146_addr, cs );
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return data;
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}
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@ -158,7 +158,7 @@ READ16_MEMBER( dblewing_state::wf_protection_region_0_104_r )
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int real_address = 0 + (offset *2);
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int deco146_addr = bitswap<32>(real_address, /* NC */31,30,29,28,27,26,25,24,23,22,21,20,19,18, 13,12,11,/**/ 17,16,15,14, 10,9,8, 7,6,5,4, 3,2,1,0) & 0x7fff;
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uint8_t cs = 0;
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uint16_t data = m_deco104->read_data( deco146_addr, mem_mask, cs );
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uint16_t data = m_deco104->read_data( deco146_addr, cs );
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return data;
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}
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@ -700,7 +700,7 @@ READ16_MEMBER( deco32_state::ioprot_r )
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offs_t deco146_addr = bitswap<32>(real_address, /* NC */31,30,29,28,27,26,25,24,23,22,21,20,19,18, 13,12,11,/**/ 17,16,15,14, 10,9,8, 7,6,5,4, 3,2,1,0) & 0x7fff;
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uint8_t cs = 0;
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return m_ioprot->read_data( deco146_addr, mem_mask, cs );
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return m_ioprot->read_data( deco146_addr, cs );
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}
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WRITE16_MEMBER( deco32_state::ioprot_w )
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@ -279,7 +279,7 @@ READ16_MEMBER( deco_mlc_state::sh96_protection_region_0_146_r )
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int real_address = 0 + (offset *2);
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int deco146_addr = bitswap<32>(real_address, /* NC */31,30,29,28,27,26,25,24,23,22,21,20,19,18, 13,12,11,/**/ 17,16,15,14, 10,9,8, 7,6,5,4, 3,2,1,0) & 0x7fff;
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uint8_t cs = 0;
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uint16_t data = m_deco146->read_data( deco146_addr, mem_mask, cs );
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uint16_t data = m_deco146->read_data( deco146_addr, cs );
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return data;
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}
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@ -39,7 +39,7 @@ READ16_MEMBER( dietgo_state::dietgo_protection_region_0_104_r )
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int real_address = 0 + (offset *2);
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int deco146_addr = bitswap<32>(real_address, /* NC */31,30,29,28,27,26,25,24,23,22,21,20,19,18, 13,12,11,/**/ 17,16,15,14, 10,9,8, 7,6,5,4, 3,2,1,0) & 0x7fff;
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uint8_t cs = 0;
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uint16_t data = m_deco104->read_data( deco146_addr, mem_mask, cs );
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uint16_t data = m_deco104->read_data( deco146_addr, cs );
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return data;
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}
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@ -102,7 +102,7 @@ READ16_MEMBER( dreambal_state::dreambal_protection_region_0_104_r )
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int real_address = 0 + (offset *2);
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int deco146_addr = bitswap<32>(real_address, /* NC */31,30,29,28,27,26,25,24,23,22,21,20,19,18, 13,12,11,/**/ 17,16,15,14, 10,9,8, 7,6,5,4, 3,2,1,0) & 0x7fff;
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uint8_t cs = 0;
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uint16_t data = m_deco104->read_data( deco146_addr, mem_mask, cs );
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uint16_t data = m_deco104->read_data( deco146_addr, cs );
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return data;
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}
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@ -110,7 +110,7 @@ READ16_MEMBER( funkyjet_state::funkyjet_protection_region_0_146_r )
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int real_address = 0 + (offset *2);
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int deco146_addr = bitswap<32>(real_address, /* NC */31,30,29,28,27,26,25,24,23,22,21,20,19,18, 13,12,11,/**/ 17,16,15,14, /* note, same bitswap as fghthist */ 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0) & 0x7fff;
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uint8_t cs = 0;
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uint16_t data = m_deco146->read_data( deco146_addr, mem_mask, cs );
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uint16_t data = m_deco146->read_data( deco146_addr, cs );
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// if ((realdat & mem_mask) != (data & mem_mask))
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// printf("returned %04x instead of %04x (real address %08x swapped addr %08x)\n", data, realdat, real_address, deco146_addr);
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@ -48,7 +48,7 @@ READ16_MEMBER( lemmings_state::lem_protection_region_0_146_r )
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int real_address = 0 + (offset *2);
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int deco146_addr = bitswap<32>(real_address, /* NC */31,30,29,28,27,26,25,24,23,22,21,20,19,18, 13,12,11,/**/ 17,16,15,14, 10,9,8, 7,6,5,4, 3,2,1,0) & 0x7fff;
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uint8_t cs = 0;
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uint16_t data = m_deco146->read_data( deco146_addr, mem_mask, cs );
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uint16_t data = m_deco146->read_data( deco146_addr, cs );
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return data;
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}
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@ -80,7 +80,7 @@ READ16_MEMBER( pktgaldx_state::pktgaldx_protection_region_f_104_r )
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{
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int real_address = 0 + (offset *2);
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uint8_t cs = 0;
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uint16_t data = m_deco104->read_data( real_address&0x7fff, mem_mask, cs );
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uint16_t data = m_deco104->read_data( real_address&0x7fff, cs );
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return data;
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}
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@ -146,7 +146,7 @@ READ16_MEMBER( rohga_state::ioprot_r )
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int real_address = 0 + (offset *2);
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int deco146_addr = bitswap<32>(real_address, /* NC */31,30,29,28,27,26,25,24,23,22,21,20,19,18, 13,12,11,/**/ 17,16,15,14, 10,9,8, 7,6,5,4, 3,2,1,0) & 0x7fff;
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uint8_t cs = 0;
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uint16_t data = m_ioprot->read_data( deco146_addr, mem_mask, cs );
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uint16_t data = m_ioprot->read_data( deco146_addr, cs );
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return data;
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}
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@ -125,7 +125,7 @@ READ16_MEMBER( sshangha_state::sshangha_protection_region_d_146_r )
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int real_address = 0x3f4000 + (offset *2);
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int deco146_addr = bitswap<32>(real_address, /* NC */31,30,29,28,27,26,25,24,23,22,21,20,19,18, 13,12,11,/**/ 17,16,15,14, 10,9,8, 7,6,5,4, 3,2,1,0) & 0x7fff;
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uint8_t cs = 0;
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uint16_t data = m_deco146->read_data( deco146_addr, mem_mask, cs );
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uint16_t data = m_deco146->read_data( deco146_addr, cs );
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return data;
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}
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@ -142,7 +142,7 @@ READ16_MEMBER( sshangha_state::sshangha_protection_region_8_146_r )
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int real_address = 0x3e0000 + (offset *2);
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int deco146_addr = bitswap<32>(real_address, /* NC */31,30,29,28,27,26,25,24,23,22,21,20,19,18, 13,12,11,/**/ 17,16,15,14, 10,9,8, 7,6,5,4, 3,2,1,0) & 0x7fff;
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uint8_t cs = 0;
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uint16_t data = m_deco146->read_data( deco146_addr, mem_mask, cs );
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uint16_t data = m_deco146->read_data( deco146_addr, cs );
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return data;
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}
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@ -3,7 +3,7 @@
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/****************************************************************************
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Data East 104 based protection/IO chips
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(a variation on the Deco 146 protection, see deco146.c for notes)
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(a variation on the Deco 146 protection, see deco146.cpp for notes)
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Emulation by David Haywood
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based on findings by Charles MacDonald
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@ -1048,12 +1048,10 @@ static deco146port_xx const port104_table[] = {
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};
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DEFINE_DEVICE_TYPE(DECO104PROT, deco104_device, "deco104", "DECO 104 Protection")
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deco104_device::deco104_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
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deco104_device::deco104_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
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: deco_146_base_device(mconfig, DECO104PROT, tag, owner, clock)
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{
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m_bankswitch_swap_read_address = 0x66;
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@ -1067,8 +1065,6 @@ deco104_device::deco104_device(const machine_config &mconfig, const char *tag, d
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}
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void deco104_device::device_start()
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{
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deco_146_base_device::device_start();
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@ -13,7 +13,7 @@
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class deco104_device : public deco_146_base_device
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{
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public:
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deco104_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
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deco104_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
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protected:
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virtual void device_start() override;
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@ -1119,14 +1119,14 @@ static deco146port_xx const port_table[] = {
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/* 0x7fe */ { 0x04c, { NIB1__, NIB2__, NIB0__, NIB3__ }, 0, 1 }
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};
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inline uint16_t reorder(uint16_t input, uint8_t const *weights)
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inline u16 reorder(u16 input, u8 const *weights)
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{
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uint16_t temp = 0;
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for(int i = 0; i < 16; i++)
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u16 temp = 0;
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for (int i = 0; i < 16; i++)
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{
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if(input & (1 << i)) // if input bit is set
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if (input & (1 << i)) // if input bit is set
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{
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if(weights[i] != 0xFF) // and weight exists for output bit
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if (weights[i] != 0xFF) // and weight exists for output bit
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{
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temp |= 1 << weights[i]; // set that bit
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}
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@ -1139,9 +1139,9 @@ inline uint16_t reorder(uint16_t input, uint8_t const *weights)
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/* there are probably less dumb ways of doing the CS logic, it could be hooked up
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more like the system16 mapper chips */
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void deco_146_base_device::write_data(uint16_t address, uint16_t data, uint16_t mem_mask, uint8_t &csflags)
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void deco_146_base_device::write_data(u16 address, u16 data, u16 mem_mask, u8 &csflags)
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{
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address = bitswap<16>(address>>1, 15,14,13,12,11,10, m_external_addrswap[9],m_external_addrswap[8] ,m_external_addrswap[7],m_external_addrswap[6],m_external_addrswap[5],m_external_addrswap[4],m_external_addrswap[3],m_external_addrswap[2],m_external_addrswap[1],m_external_addrswap[0]) << 1;
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address = bitswap<16>(address >> 1, 15,14,13,12,11,10, m_external_addrswap[9],m_external_addrswap[8] ,m_external_addrswap[7],m_external_addrswap[6],m_external_addrswap[5],m_external_addrswap[4],m_external_addrswap[3],m_external_addrswap[2],m_external_addrswap[1],m_external_addrswap[0]) << 1;
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csflags = 0;
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int upper_addr_bits = (address & 0x7800) >> 11;
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@ -1151,9 +1151,9 @@ void deco_146_base_device::write_data(uint16_t address, uint16_t data, uint16_t
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int real_address = address & 0xf;
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logerror("write to config regs %04x %04x %04x\n", real_address, data, mem_mask);
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if ((real_address>=0x2) && (real_address<=0x0c))
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if ((real_address >= 0x2) && (real_address <= 0x0c))
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{
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region_selects[(real_address-2)/2] = data &0xf;
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region_selects[(real_address - 2) / 2] = data & 0xf;
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return;
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}
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else
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@ -1164,16 +1164,16 @@ void deco_146_base_device::write_data(uint16_t address, uint16_t data, uint16_t
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return; // or fall through?
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}
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for (int i=0;i<6;i++)
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for (int i = 0; i < 6; i++)
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{
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int cs = region_selects[i];
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if (cs==upper_addr_bits)
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if (cs == upper_addr_bits)
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{
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int real_address = address & 0x7ff;
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csflags |= (1 << i);
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if (i==0) // the first cs is our internal protection area
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if (i == 0) // the first cs is our internal protection area
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{
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// logerror("write matches cs table (protection) %01x %04x %04x %04x\n", i, real_address, data, mem_mask);
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write_protport(real_address, data, mem_mask);
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@ -1185,17 +1185,17 @@ void deco_146_base_device::write_data(uint16_t address, uint16_t data, uint16_t
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}
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}
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if (csflags==0)
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if (csflags == 0)
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{
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logerror("write not in cs table\n");
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}
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}
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uint16_t deco_146_base_device::read_protport(uint16_t address, uint16_t mem_mask)
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u16 deco_146_base_device::read_protport(u16 address)
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{
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// if we read the last written address immediately after then ignore all other logic and just return what was written unmodified
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if ((address==m_latchaddr) && (m_latchflag==1))
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if (((address == m_latchaddr) && (m_latchflag == 1)) && (!machine().side_effects_disabled()))
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{
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logerror("returning latched data %04x\n", m_latchdata);
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m_latchflag = 0;
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@ -1207,19 +1207,15 @@ uint16_t deco_146_base_device::read_protport(uint16_t address, uint16_t mem_mask
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if (m_magic_read_address_xor_enabled) address ^= m_magic_read_address_xor;
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int location = 0;
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uint16_t realret = read_data_getloc(address, location);
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u16 realret = read_data_getloc(address, location);
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if (location == m_bankswitch_swap_read_address) // this has a special meaning
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if ((location == m_bankswitch_swap_read_address) && (!machine().side_effects_disabled())) // this has a special meaning
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{
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// logerror("(bankswitch) %04x %04x\n", address, mem_mask);
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// logerror("(bankswitch) %04x %04x\n", address);
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if (m_current_rambank==0)
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m_current_rambank = 1;
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else
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m_current_rambank = 0;
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m_current_rambank ^= 1;
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}
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return realret;
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}
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@ -1229,75 +1225,73 @@ TIMER_CALLBACK_MEMBER(deco_146_base_device::write_soundlatch)
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m_soundlatch_irq_cb(ASSERT_LINE);
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}
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void deco_146_base_device::write_protport(uint16_t address, uint16_t data, uint16_t mem_mask)
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void deco_146_base_device::write_protport(u16 address, u16 data, u16 mem_mask)
|
||||
{
|
||||
m_latchaddr = address;
|
||||
m_latchdata = data;
|
||||
m_latchflag = 1;
|
||||
|
||||
if ((address&0xff) == m_xor_port)
|
||||
if ((address & 0xff) == m_xor_port)
|
||||
{
|
||||
logerror("LOAD XOR REGISTER %04x %04x\n", data, mem_mask);
|
||||
COMBINE_DATA(&m_xor);
|
||||
}
|
||||
else if ((address&0xff) == m_mask_port)
|
||||
else if ((address & 0xff) == m_mask_port)
|
||||
{
|
||||
// logerror("LOAD NAND REGISTER %04x %04x\n", data, mem_mask);
|
||||
COMBINE_DATA(&m_nand);
|
||||
}
|
||||
else if ((address&0xff) == m_soundlatch_port)
|
||||
else if ((address & 0xff) == m_soundlatch_port)
|
||||
{
|
||||
logerror("LOAD SOUND LATCH: %04x\n", data);
|
||||
machine().scheduler().synchronize(timer_expired_delegate(FUNC(deco_146_base_device::write_soundlatch), this), data & 0xff);
|
||||
}
|
||||
|
||||
// always store
|
||||
if (m_current_rambank==0)
|
||||
COMBINE_DATA(&m_rambank0[(address&0xff)>>1]);
|
||||
else
|
||||
COMBINE_DATA(&m_rambank1[(address&0xff)>>1]);
|
||||
|
||||
COMBINE_DATA(&m_rambank[m_current_rambank][(address & 0xff) >> 1]);
|
||||
}
|
||||
|
||||
|
||||
uint16_t deco_146_base_device::read_data(uint16_t address, uint16_t mem_mask, uint8_t &csflags)
|
||||
u16 deco_146_base_device::read_data(u16 address, u8 &csflags)
|
||||
{
|
||||
address = bitswap<16>(address>>1, 15,14,13,12,11,10, m_external_addrswap[9],m_external_addrswap[8] ,m_external_addrswap[7],m_external_addrswap[6],m_external_addrswap[5],m_external_addrswap[4],m_external_addrswap[3],m_external_addrswap[2],m_external_addrswap[1],m_external_addrswap[0]) << 1;
|
||||
address = bitswap<16>(address >> 1, 15,14,13,12,11,10, m_external_addrswap[9],m_external_addrswap[8] ,m_external_addrswap[7],m_external_addrswap[6],m_external_addrswap[5],m_external_addrswap[4],m_external_addrswap[3],m_external_addrswap[2],m_external_addrswap[1],m_external_addrswap[0]) << 1;
|
||||
|
||||
uint16_t retdata = 0;
|
||||
u16 retdata = 0;
|
||||
csflags = 0;
|
||||
int upper_addr_bits = (address & 0x7800) >> 11;
|
||||
|
||||
if (upper_addr_bits == 0x8) // configuration registers are hardcoded to this area
|
||||
{
|
||||
int real_address = address & 0xf;
|
||||
logerror("read config regs? %04x %04x\n", real_address, mem_mask);
|
||||
if (!machine().side_effects_disabled())
|
||||
logerror("read config regs? %04x\n", real_address);
|
||||
|
||||
return 0x0000;
|
||||
}
|
||||
|
||||
// what gets priority?
|
||||
for (int i=0;i<6;i++)
|
||||
for (int i = 0; i < 6; i++)
|
||||
{
|
||||
int cs = region_selects[i];
|
||||
|
||||
if (cs==upper_addr_bits)
|
||||
if (cs == upper_addr_bits)
|
||||
{
|
||||
int real_address = address & 0x7ff;
|
||||
csflags |= (1 << i);
|
||||
|
||||
if (i==0) // the first cs is our internal protection area
|
||||
if (i == 0) // the first cs is our internal protection area
|
||||
{
|
||||
//logerror("read matches cs table (protection) %01x %04x %04x\n", i, real_address, mem_mask);
|
||||
return read_protport( real_address, mem_mask);
|
||||
//logerror("read matches cs table (protection) %01x %04x\n", i, real_address);
|
||||
return read_protport(real_address);
|
||||
}
|
||||
else
|
||||
else if (!machine().side_effects_disabled())
|
||||
{
|
||||
logerror("read matches cs table (external connection) %01x %04x %04x\n", i, real_address, mem_mask);
|
||||
logerror("read matches cs table (external connection) %01x %04x\n", i, real_address);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (csflags==0)
|
||||
if ((csflags == 0) && (!machine().side_effects_disabled()))
|
||||
{
|
||||
logerror("read not in cs table\n");
|
||||
}
|
||||
|
|
@ -1311,7 +1305,7 @@ u8 deco_146_base_device::soundlatch_r()
|
|||
return m_soundlatch;
|
||||
}
|
||||
|
||||
deco_146_base_device::deco_146_base_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock)
|
||||
deco_146_base_device::deco_146_base_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock)
|
||||
: device_t(mconfig, type, tag, owner, clock),
|
||||
m_port_a_r(*this),
|
||||
m_port_b_r(*this),
|
||||
|
|
@ -1332,11 +1326,12 @@ deco_146_base_device::deco_146_base_device(const machine_config &mconfig, device
|
|||
|
||||
void deco_146_base_device::device_start()
|
||||
{
|
||||
for (int i=0;i<0x80;i++)
|
||||
for (int bank = 0; bank < 2; bank++)
|
||||
{
|
||||
m_rambank[bank] = std::make_unique<u16[]>(0x80);
|
||||
// the mutant fighter old sim assumes 0x0000
|
||||
m_rambank0[i] = 0xffff;
|
||||
m_rambank1[i] = 0xffff;
|
||||
std::fill_n(&m_rambank[bank][0], 0x80, 0xffff);
|
||||
save_pointer(NAME(m_rambank[bank]), 0x80, bank);
|
||||
}
|
||||
|
||||
// bind our handler
|
||||
|
|
@ -1348,8 +1343,6 @@ void deco_146_base_device::device_start()
|
|||
save_item(NAME(m_xor));
|
||||
save_item(NAME(m_nand));
|
||||
|
||||
save_item(NAME(m_rambank0));
|
||||
save_item(NAME(m_rambank1));
|
||||
save_item(NAME(m_current_rambank));
|
||||
|
||||
save_item(NAME(region_selects));
|
||||
|
|
@ -1384,11 +1377,11 @@ void deco_146_base_device::device_reset()
|
|||
}
|
||||
|
||||
|
||||
uint16_t deco_146_base_device::read_data_getloc(uint16_t address, int& location)
|
||||
u16 deco_146_base_device::read_data_getloc(u16 address, int& location)
|
||||
{
|
||||
uint16_t retdata = 0;
|
||||
u16 retdata = 0;
|
||||
|
||||
location = m_lookup_table[address>>1].write_offset;
|
||||
location = m_lookup_table[address >> 1].write_offset;
|
||||
|
||||
if (location==INPUT_PORT_A)
|
||||
{
|
||||
|
|
@ -1404,16 +1397,13 @@ uint16_t deco_146_base_device::read_data_getloc(uint16_t address, int& location)
|
|||
}
|
||||
else
|
||||
{
|
||||
if (m_current_rambank==0)
|
||||
retdata = m_rambank0[location>>1];
|
||||
else
|
||||
retdata = m_rambank1[location>>1];
|
||||
retdata = m_rambank[m_current_rambank][location >> 1];
|
||||
}
|
||||
|
||||
uint16_t realret = reorder(retdata, &m_lookup_table[address>>1].mapping[0] );
|
||||
u16 realret = reorder(retdata, &m_lookup_table[address >> 1].mapping[0] );
|
||||
|
||||
if (m_lookup_table[address>>1].use_xor) realret ^= m_xor;
|
||||
if (m_lookup_table[address>>1].use_nand) realret = (realret & ~m_nand);
|
||||
if (m_lookup_table[address >> 1].use_xor) realret ^= m_xor;
|
||||
if (m_lookup_table[address >> 1].use_nand) realret = (realret & ~m_nand);
|
||||
|
||||
return realret;
|
||||
}
|
||||
|
|
@ -1422,7 +1412,7 @@ uint16_t deco_146_base_device::read_data_getloc(uint16_t address, int& location)
|
|||
DEFINE_DEVICE_TYPE(DECO146PROT, deco146_device, "deco146", "DECO 146 Protection")
|
||||
|
||||
|
||||
deco146_device::deco146_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
|
||||
deco146_device::deco146_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
|
||||
: deco_146_base_device(mconfig, DECO146PROT, tag, owner, clock)
|
||||
{
|
||||
m_bankswitch_swap_read_address = 0x78;
|
||||
|
|
|
|||
|
|
@ -38,27 +38,26 @@
|
|||
struct deco146port_xx
|
||||
{
|
||||
int write_offset;
|
||||
uint8_t mapping[16];
|
||||
u8 mapping[16];
|
||||
int use_xor;
|
||||
int use_nand;
|
||||
};
|
||||
|
||||
|
||||
|
||||
/* Data East 146 protection chip */
|
||||
|
||||
class deco_146_base_device : public device_t
|
||||
{
|
||||
public:
|
||||
void write_data(uint16_t address, uint16_t data, uint16_t mem_mask, uint8_t &csflags);
|
||||
uint16_t read_data(uint16_t address, uint16_t mem_mask, uint8_t &csflags);
|
||||
void write_data(u16 address, u16 data, u16 mem_mask, u8 &csflags);
|
||||
u16 read_data(u16 address, u8 &csflags);
|
||||
|
||||
auto port_a_cb() { return m_port_a_r.bind(); }
|
||||
auto port_b_cb() { return m_port_b_r.bind(); }
|
||||
auto port_c_cb() { return m_port_c_r.bind(); }
|
||||
|
||||
// there are some standard ways the chip gets hooked up, so have them here ready to use
|
||||
void set_interface_scramble(uint8_t a9, uint8_t a8, uint8_t a7, uint8_t a6, uint8_t a5, uint8_t a4, uint8_t a3,uint8_t a2,uint8_t a1,uint8_t a0)
|
||||
void set_interface_scramble(u8 a9, u8 a8, u8 a7, u8 a6, u8 a5, u8 a4, u8 a3,u8 a2,u8 a1,u8 a0)
|
||||
{
|
||||
m_external_addrswap[9] = a9;
|
||||
m_external_addrswap[8] = a8;
|
||||
|
|
@ -83,54 +82,53 @@ public:
|
|||
devcb_read16 m_port_b_r;
|
||||
devcb_read16 m_port_c_r;
|
||||
|
||||
uint8_t m_bankswitch_swap_read_address;
|
||||
uint16_t m_magic_read_address_xor;
|
||||
u8 m_bankswitch_swap_read_address;
|
||||
u16 m_magic_read_address_xor;
|
||||
bool m_magic_read_address_xor_enabled;
|
||||
uint8_t m_xor_port;
|
||||
uint8_t m_mask_port;
|
||||
uint8_t m_soundlatch_port;
|
||||
u8 m_xor_port;
|
||||
u8 m_mask_port;
|
||||
u8 m_soundlatch_port;
|
||||
|
||||
uint8_t m_external_addrswap[10];
|
||||
u8 m_external_addrswap[10];
|
||||
|
||||
deco146port_xx const *m_lookup_table;
|
||||
|
||||
protected:
|
||||
deco_146_base_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
|
||||
deco_146_base_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock);
|
||||
|
||||
virtual void device_start() override;
|
||||
virtual void device_reset() override;
|
||||
|
||||
uint16_t read_protport(uint16_t address, uint16_t mem_mask);
|
||||
virtual void write_protport(uint16_t address, uint16_t data, uint16_t mem_mask);
|
||||
virtual uint16_t read_data_getloc(uint16_t address, int& location);
|
||||
u16 read_protport(u16 address);
|
||||
virtual void write_protport(u16 address, u16 data, u16 mem_mask);
|
||||
virtual u16 read_data_getloc(u16 address, int& location);
|
||||
|
||||
uint16_t m_rambank0[0x80];
|
||||
uint16_t m_rambank1[0x80];
|
||||
std::unique_ptr<u16[]> m_rambank[2];
|
||||
|
||||
int m_current_rambank;
|
||||
|
||||
uint16_t m_nand;
|
||||
uint16_t m_xor;
|
||||
u16 m_nand;
|
||||
u16 m_xor;
|
||||
|
||||
uint16_t m_latchaddr;
|
||||
uint16_t m_latchdata;
|
||||
u16 m_latchaddr;
|
||||
u16 m_latchdata;
|
||||
|
||||
uint8_t m_configregion; // which value of upper 4 address lines accesses the config region
|
||||
u8 m_configregion; // which value of upper 4 address lines accesses the config region
|
||||
int m_latchflag;
|
||||
|
||||
private:
|
||||
TIMER_CALLBACK_MEMBER(write_soundlatch);
|
||||
|
||||
uint8_t region_selects[6];
|
||||
u8 region_selects[6];
|
||||
|
||||
uint8_t m_soundlatch;
|
||||
u8 m_soundlatch;
|
||||
devcb_write_line m_soundlatch_irq_cb;
|
||||
};
|
||||
|
||||
class deco146_device : public deco_146_base_device
|
||||
{
|
||||
public:
|
||||
deco146_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
|
||||
deco146_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
|
||||
};
|
||||
|
||||
DECLARE_DEVICE_TYPE(DECO146PROT, deco146_device)
|
||||
|
|
|
|||
Loading…
Reference in a new issue