mirror of
https://github.com/holub/mame
synced 2025-06-05 20:33:45 +03:00
artmagic.c: moved some functions into driver class (nw)
This commit is contained in:
Ivan Vangelista
parent
f1f00dfd7f
commit
4fe6f41fdf
@ -1112,43 +1112,37 @@ ROM_END
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*
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*************************************/
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static void decrypt_ultennis(running_machine &machine)
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void artmagic_state::decrypt_ultennis()
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{
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artmagic_state *state = machine.driver_data<artmagic_state>();
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int i;
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/* set up the parameters for the blitter data decryption which will happen at runtime */
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for (i = 0;i < 16;i++)
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for (int i = 0; i < 16; i++)
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{
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state->m_xor[i] = 0x0462;
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if (i & 1) state->m_xor[i] ^= 0x0011;
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if (i & 2) state->m_xor[i] ^= 0x2200;
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if (i & 4) state->m_xor[i] ^= 0x4004;
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if (i & 8) state->m_xor[i] ^= 0x0880;
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m_xor[i] = 0x0462;
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if (i & 1) m_xor[i] ^= 0x0011;
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if (i & 2) m_xor[i] ^= 0x2200;
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if (i & 4) m_xor[i] ^= 0x4004;
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if (i & 8) m_xor[i] ^= 0x0880;
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}
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}
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static void decrypt_cheesech(running_machine &machine)
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void artmagic_state::decrypt_cheesech()
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{
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artmagic_state *state = machine.driver_data<artmagic_state>();
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int i;
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/* set up the parameters for the blitter data decryption which will happen at runtime */
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for (i = 0;i < 16;i++)
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for (int i = 0; i < 16; i++)
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{
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state->m_xor[i] = 0x0891;
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if (i & 1) state->m_xor[i] ^= 0x1100;
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if (i & 2) state->m_xor[i] ^= 0x0022;
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if (i & 4) state->m_xor[i] ^= 0x0440;
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if (i & 8) state->m_xor[i] ^= 0x8008;
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m_xor[i] = 0x0891;
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if (i & 1) m_xor[i] ^= 0x1100;
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if (i & 2) m_xor[i] ^= 0x0022;
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if (i & 4) m_xor[i] ^= 0x0440;
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if (i & 8) m_xor[i] ^= 0x8008;
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}
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}
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DRIVER_INIT_MEMBER(artmagic_state,ultennis)
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{
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decrypt_ultennis(machine());
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decrypt_ultennis();
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m_is_stoneball = 0;
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m_protection_handler = ultennis_protection;
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@ -1159,7 +1153,7 @@ DRIVER_INIT_MEMBER(artmagic_state,ultennis)
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DRIVER_INIT_MEMBER(artmagic_state,cheesech)
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{
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decrypt_cheesech(machine());
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decrypt_cheesech();
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m_is_stoneball = 0;
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m_protection_handler = cheesech_protection;
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}
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@ -1167,7 +1161,7 @@ DRIVER_INIT_MEMBER(artmagic_state,cheesech)
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DRIVER_INIT_MEMBER(artmagic_state,stonebal)
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{
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decrypt_ultennis(machine());
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decrypt_ultennis();
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m_is_stoneball = 1; /* blits 1 line high are NOT encrypted, also different first pixel decrypt */
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m_protection_handler = stonebal_protection;
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}
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@ -1175,7 +1169,7 @@ DRIVER_INIT_MEMBER(artmagic_state,stonebal)
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DRIVER_INIT_MEMBER(artmagic_state,shtstar)
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{
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/* wrong */
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decrypt_ultennis(machine());
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decrypt_ultennis();
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m_is_stoneball =0;
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m_protection_handler = stonebal_protection;
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}
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@ -18,16 +18,21 @@ public:
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artmagic_state(const machine_config &mconfig, device_type type, const char *tag)
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: driver_device(mconfig, type, tag),
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m_maincpu(*this, "maincpu"),
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m_oki(*this, "oki"),
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m_tms(*this, "tms"),
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m_tlc34076(*this, "tlc34076"),
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m_control(*this, "control"),
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m_vram0(*this, "vram0"),
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m_vram1(*this, "vram1"),
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m_maincpu(*this, "maincpu"),
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m_oki(*this, "oki"),
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m_tms(*this, "tms") { }
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m_vram1(*this, "vram1") { }
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required_device<cpu_device> m_maincpu;
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required_device<okim6295_device> m_oki;
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required_device<tms34010_device> m_tms;
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required_device<tlc34076_device> m_tlc34076;
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required_shared_ptr<UINT16> m_control;
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UINT8 m_tms_irq;
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UINT8 m_hack_irq;
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UINT8 m_prot_input[16];
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@ -61,9 +66,11 @@ public:
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virtual void machine_start();
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virtual void machine_reset();
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virtual void video_start();
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required_device<cpu_device> m_maincpu;
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required_device<okim6295_device> m_oki;
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required_device<tms34010_device> m_tms;
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void decrypt_cheesech();
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void decrypt_ultennis();
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void execute_blit();
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inline UINT16 *address_to_vram(offs_t *address);
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protected:
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virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
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};
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@ -21,14 +21,14 @@
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*
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*************************************/
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INLINE UINT16 *address_to_vram(artmagic_state *state, offs_t *address)
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inline UINT16 *artmagic_state::address_to_vram(offs_t *address)
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{
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offs_t original = *address;
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*address = TOWORD(original & 0x001fffff);
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if (original < 0x001fffff)
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return state->m_vram0;
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return m_vram0;
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else if (original >= 0x00400000 && original < 0x005fffff)
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return state->m_vram1;
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return m_vram1;
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return NULL;
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}
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@ -62,7 +62,7 @@ void artmagic_state::video_start()
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void artmagic_to_shiftreg(address_space &space, offs_t address, UINT16 *data)
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{
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artmagic_state *state = space.machine().driver_data<artmagic_state>();
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UINT16 *vram = address_to_vram(state, &address);
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UINT16 *vram = state->address_to_vram(&address);
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if (vram)
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memcpy(data, &vram[address], TOBYTE(0x2000));
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}
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@ -71,7 +71,7 @@ void artmagic_to_shiftreg(address_space &space, offs_t address, UINT16 *data)
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void artmagic_from_shiftreg(address_space &space, offs_t address, UINT16 *data)
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{
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artmagic_state *state = space.machine().driver_data<artmagic_state>();
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UINT16 *vram = address_to_vram(state, &address);
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UINT16 *vram = state->address_to_vram(&address);
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if (vram)
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memcpy(&vram[address], data, TOBYTE(0x2000));
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}
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@ -84,18 +84,17 @@ void artmagic_from_shiftreg(address_space &space, offs_t address, UINT16 *data)
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*
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*************************************/
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static void execute_blit(running_machine &machine)
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void artmagic_state::execute_blit()
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{
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artmagic_state *state = machine.driver_data<artmagic_state>();
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UINT16 *dest = state->m_blitter_page ? state->m_vram0 : state->m_vram1;
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int offset = ((state->m_blitter_data[1] & 0xff) << 16) | state->m_blitter_data[0];
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int color = (state->m_blitter_data[1] >> 4) & 0xf0;
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int x = (INT16)state->m_blitter_data[2];
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int y = (INT16)state->m_blitter_data[3];
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int maskx = state->m_blitter_data[6] & 0xff;
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int masky = state->m_blitter_data[6] >> 8;
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int w = ((state->m_blitter_data[7] & 0xff) + 1) * 4;
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int h = (state->m_blitter_data[7] >> 8) + 1;
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UINT16 *dest = m_blitter_page ? m_vram0 : m_vram1;
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int offset = ((m_blitter_data[1] & 0xff) << 16) | m_blitter_data[0];
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int color = (m_blitter_data[1] >> 4) & 0xf0;
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int x = (INT16)m_blitter_data[2];
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int y = (INT16)m_blitter_data[3];
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int maskx = m_blitter_data[6] & 0xff;
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int masky = m_blitter_data[6] >> 8;
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int w = ((m_blitter_data[7] & 0xff) + 1) * 4;
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int h = (m_blitter_data[7] >> 8) + 1;
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int i, j, sx, sy, last;
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#if 0
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@ -106,10 +105,10 @@ static void execute_blit(running_machine &machine)
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logerror("%s:Blit from %06X to (%d,%d) %dx%d -- %04X %04X %04X %04X %04X %04X %04X %04X\n",
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machine.describe_context(), offset, x, y, w, h,
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state->m_blitter_data[0], state->m_blitter_data[1],
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state->m_blitter_data[2], state->m_blitter_data[3],
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state->m_blitter_data[4], state->m_blitter_data[5],
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state->m_blitter_data[6], state->m_blitter_data[7]);
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m_blitter_data[0], m_blitter_data[1],
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m_blitter_data[2], m_blitter_data[3],
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m_blitter_data[4], m_blitter_data[5],
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m_blitter_data[6], m_blitter_data[7]);
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if (!f) f = fopen("artmagic.log", "w");
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@ -124,16 +123,16 @@ static void execute_blit(running_machine &machine)
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fprintf(f, "----------------------\n"
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"%s:Blit from %06X to (%d,%d) %dx%d -- %04X %04X %04X %04X %04X %04X %04X %04X\n",
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machine.describe_context(), offset, x, y, w, h,
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state->m_blitter_data[0], state->m_blitter_data[1],
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state->m_blitter_data[2], state->m_blitter_data[3],
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state->m_blitter_data[4], state->m_blitter_data[5],
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state->m_blitter_data[6], state->m_blitter_data[7]);
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m_blitter_data[0], m_blitter_data[1],
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m_blitter_data[2], m_blitter_data[3],
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m_blitter_data[4], m_blitter_data[5],
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m_blitter_data[6], m_blitter_data[7]);
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fprintf(f, "\t");
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for (i = 0; i < h; i++)
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{
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for (j = 0; j < w; j += 4)
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fprintf(f, "%04X ", state->m_blitter_base[tempoffs++]);
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fprintf(f, "%04X ", m_blitter_base[tempoffs++]);
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fprintf(f, "\n\t");
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}
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fprintf(f, "\n\t");
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@ -144,19 +143,19 @@ static void execute_blit(running_machine &machine)
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if (i == 0) /* first line */
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{
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/* ultennis, stonebal */
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last ^= (state->m_blitter_data[7] & 0x0001);
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if (state->m_is_stoneball)
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last ^= ((state->m_blitter_data[0] & 0x0020) >> 3);
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last ^= (m_blitter_data[7] & 0x0001);
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if (m_is_stoneball)
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last ^= ((m_blitter_data[0] & 0x0020) >> 3);
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else /* ultennis */
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last ^= ((state->m_blitter_data[0] & 0x0040) >> 4);
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last ^= ((m_blitter_data[0] & 0x0040) >> 4);
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/* cheesech */
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last ^= ((state->m_blitter_data[7] & 0x0400) >> 9);
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last ^= ((state->m_blitter_data[0] & 0x2000) >> 10);
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last ^= ((m_blitter_data[7] & 0x0400) >> 9);
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last ^= ((m_blitter_data[0] & 0x2000) >> 10);
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}
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else /* following lines */
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{
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int val = state->m_blitter_base[tempoffs];
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int val = m_blitter_base[tempoffs];
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/* ultennis, stonebal */
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last ^= 4;
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@ -172,12 +171,12 @@ static void execute_blit(running_machine &machine)
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for (j = 0; j < w; j += 4)
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{
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static const char hex[] = ".123456789ABCDEF";
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int val = state->m_blitter_base[tempoffs++];
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int val = m_blitter_base[tempoffs++];
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int p1, p2, p3, p4;
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p1 = last = ((val ^ state->m_xor[last]) >> 0) & 0xf;
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p2 = last = ((val ^ state->m_xor[last]) >> 4) & 0xf;
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p3 = last = ((val ^ state->m_xor[last]) >> 8) & 0xf;
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p4 = last = ((val ^ state->m_xor[last]) >> 12) & 0xf;
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p1 = last = ((val ^ m_xor[last]) >> 0) & 0xf;
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p2 = last = ((val ^ m_xor[last]) >> 4) & 0xf;
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p3 = last = ((val ^ m_xor[last]) >> 8) & 0xf;
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p4 = last = ((val ^ m_xor[last]) >> 12) & 0xf;
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fprintf(f, "%c%c%c%c ", hex[p1], hex[p2], hex[p3], hex[p4]);
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}
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fprintf(f, "\n\t");
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@ -213,19 +212,19 @@ static void execute_blit(running_machine &machine)
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if (i == 0) /* first line */
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{
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/* ultennis, stonebal */
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last ^= (state->m_blitter_data[7] & 0x0001);
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if (state->m_is_stoneball)
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last ^= ((state->m_blitter_data[0] & 0x0020) >> 3);
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last ^= (m_blitter_data[7] & 0x0001);
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if (m_is_stoneball)
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last ^= ((m_blitter_data[0] & 0x0020) >> 3);
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else /* ultennis */
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last ^= (((state->m_blitter_data[0] + 1) & 0x0040) >> 4);
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last ^= (((m_blitter_data[0] + 1) & 0x0040) >> 4);
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/* cheesech */
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last ^= ((state->m_blitter_data[7] & 0x0400) >> 9);
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last ^= ((state->m_blitter_data[0] & 0x2000) >> 10);
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last ^= ((m_blitter_data[7] & 0x0400) >> 9);
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last ^= ((m_blitter_data[0] & 0x2000) >> 10);
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}
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else /* following lines */
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{
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int val = state->m_blitter_base[offset & state->m_blitter_mask];
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int val = m_blitter_base[offset & m_blitter_mask];
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/* ultennis, stonebal */
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last ^= 4;
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@ -240,13 +239,13 @@ static void execute_blit(running_machine &machine)
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for (j = 0; j < w; j += 4)
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{
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UINT16 val = state->m_blitter_base[(offset + j/4) & state->m_blitter_mask];
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UINT16 val = m_blitter_base[(offset + j/4) & m_blitter_mask];
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if (sx < 508)
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{
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if (h == 1 && state->m_is_stoneball)
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if (h == 1 && m_is_stoneball)
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last = ((val) >> 0) & 0xf;
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else
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last = ((val ^ state->m_xor[last]) >> 0) & 0xf;
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last = ((val ^ m_xor[last]) >> 0) & 0xf;
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if (!((maskx << ((j/2) & 7)) & 0x80))
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{
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if (last && sx >= 0 && sx < 512)
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@ -254,20 +253,20 @@ static void execute_blit(running_machine &machine)
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sx++;
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}
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if (h == 1 && state->m_is_stoneball)
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if (h == 1 && m_is_stoneball)
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last = ((val) >> 4) & 0xf;
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else
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last = ((val ^ state->m_xor[last]) >> 4) & 0xf;
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last = ((val ^ m_xor[last]) >> 4) & 0xf;
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{
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if (last && sx >= 0 && sx < 512)
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dest[tsy + sx] = color | (last);
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sx++;
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}
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if (h == 1 && state->m_is_stoneball)
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if (h == 1 && m_is_stoneball)
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last = ((val) >> 8) & 0xf;
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else
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last = ((val ^ state->m_xor[last]) >> 8) & 0xf;
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last = ((val ^ m_xor[last]) >> 8) & 0xf;
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if (!((maskx << ((j/2) & 7)) & 0x40))
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{
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if (last && sx >= 0 && sx < 512)
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@ -275,10 +274,10 @@ static void execute_blit(running_machine &machine)
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sx++;
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}
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if (h == 1 && state->m_is_stoneball)
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if (h == 1 && m_is_stoneball)
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last = ((val) >> 12) & 0xf;
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else
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last = ((val ^ state->m_xor[last]) >> 12) & 0xf;
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last = ((val ^ m_xor[last]) >> 12) & 0xf;
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{
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if (last && sx >= 0 && sx < 512)
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dest[tsy + sx] = color | (last);
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@ -295,7 +294,7 @@ static void execute_blit(running_machine &machine)
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g_profiler.stop();
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#if (!INSTANT_BLIT)
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state->m_blitter_busy_until = machine.time() + attotime::from_nsec(w*h*20);
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m_blitter_busy_until = machine.time() + attotime::from_nsec(w*h*20);
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#endif
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}
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@ -322,7 +321,7 @@ WRITE16_MEMBER(artmagic_state::artmagic_blitter_w)
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/* offset 3 triggers the blit */
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if (offset == 3)
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execute_blit(machine());
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execute_blit();
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/* offset 4 contains the target page */
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else if (offset == 4)
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@ -341,7 +340,7 @@ void artmagic_scanline(screen_device &screen, bitmap_rgb32 &bitmap, int scanline
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{
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artmagic_state *state = screen.machine().driver_data<artmagic_state>();
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offs_t offset = (params->rowaddr << 12) & 0x7ff000;
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UINT16 *vram = address_to_vram(state, &offset);
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UINT16 *vram = state->address_to_vram(&offset);
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UINT32 *dest = &bitmap.pix32(scanline);
|
||||
const rgb_t *pens = state->m_tlc34076->get_pens();
|
||||
int coladdr = params->coladdr << 1;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user