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https://github.com/holub/mame
synced 2025-04-22 00:11:58 +03:00
ygv608.cpp: kill legacy register code (nw)
This commit is contained in:
angelosa
parent
64c6e9fe6b
commit
5c712b4083
@ -74,101 +74,6 @@ enum {
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p7_ts = 0x04,
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p7_tn = 0x02,
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p7_sr = 0x01,
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r0_pnya = 0x80, // if set, increment name table address after reads
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r0_b_a = 0x40, // if set, we're reading from the second plane of tile data
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r0_pny = 0x3f, // y-coordinate of current name table address
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r1_pnxa = 0x80, // if set, increment name table address after read
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r1_res1 = 0x40,
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r1_pnx = 0x3f, // x-coordinate of current name table address
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r2_cpaw = 0x80, // if set, increment color palette address after writes
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r2_cpar = 0x40, // if set, increment color palette address after reads
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// r2_res2 = 0x20,
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r2_b_a = 0x10,
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r2_scaw = 0x08, // if set, increment scroll address after writes
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r2_scar = 0x04, // if set, increment scroll address after reads
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r2_saaw = 0x02, // if set, increment sprite address after writes
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r2_saar = 0x01, // if set, increment sprite address after reads
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r7_dckm = 0x80,
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r7_flip = 0x40,
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// r7_res7 = 0x30,
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r7_zron = 0x08, // if set, roz plane is active
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r7_md = 0x06, // determines 1 of 4 possible video modes
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r7_dspe = 0x01, // if set, display is enabled
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r8_hds = 0xc0,
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r8_vds = 0x30,
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r8_rlrt = 0x08,
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r8_rlsc = 0x04,
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// r8_res8 = 0x02,
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r8_pgs = 0x01,
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r9_pts = 0xc0,
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r9_slh = 0x38,
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r9_slv = 0x07,
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r10_spa = 0xc0, // misc global sprite attributes (x/y flip or sprite size)
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r10_spas = 0x20, // if set, spa controls sprite flip, if clear, controls sprite size
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r10_sprd = 0x10, // if set, sprites are disabled
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r10_mcb = 0x0c,
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r10_mca = 0x03,
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r11_scm = 0xc0,
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r11_yse = 0x20,
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r11_cbdr = 0x10,
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r11_prm = 0x0c, // determines one of 4 priority settings
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r11_ctpb = 0x02,
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r11_ctpa = 0x01,
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r12_spf = 0xc0,
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r12_bpf = 0x38,
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r12_apf = 0x07,
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// r14_res14 = 0xfc,
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r14_iep = 0x02, // if set, generate IRQ on position detection (?)
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r14_iev = 0x01, // if set, generate IRQ on vertical border interval draw
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// these 4 are currently unimplemented by us
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r16_fpm = 0x80,
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r16_il8 = 0x40,
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r16_res16 = 0x20,
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r16_ih = 0x1f,
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r17_ba1 = 0x70,
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r17_ba0 = 0x07,
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r18_ba3 = 0x70,
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r18_ba2 = 0x07,
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r19_ba5 = 0x70,
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r19_ba4 = 0x07,
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r20_ba7 = 0x70,
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r20_ba6 = 0x07,
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r21_bb1 = 0x70,
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r21_bb0 = 0x07,
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r22_bb3 = 0x70,
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r22_bb2 = 0x07,
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r23_bb5 = 0x70,
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r23_bb4 = 0x07,
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r24_bb7 = 0x70,
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r24_bb6 = 0x07,
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r39_hsw = 0xe0,
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r39_hbw = 0x1f,
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r40_htl89 = 0xc0,
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r40_hdw = 0x3f,
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r43_vsw = 0xe0,
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r43_vbw = 0x1f,
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r44_vsls = 0x40,
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r44_vdw = 0x1f,
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r45_vtl8 = 0x80,
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r45_tres = 0x40,
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r45_vdp = 0x1f
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};
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@ -443,7 +348,7 @@ ygv608_device::ygv608_device( const machine_config &mconfig, const char *tag, de
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void ygv608_device::device_start()
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{
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memset(&m_ports, 0, sizeof(m_ports));
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memset(&m_regs, 0, sizeof(m_regs));
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// memset(&m_regs, 0, sizeof(m_regs));
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memset(&m_pattern_name_table, 0, sizeof(m_pattern_name_table));
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memset(&m_sprite_attribute_table, 0, sizeof(m_sprite_attribute_table));
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@ -966,7 +871,7 @@ void ygv608_device::postload()
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void ygv608_device::register_state_save()
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{
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save_item(NAME(m_ports.b));
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save_item(NAME(m_regs.b));
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// save_item(NAME(m_regs.b));
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save_item(NAME(m_pattern_name_table));
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save_item(NAME(m_sprite_attribute_table.b));
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save_item(NAME(m_scroll_data_table));
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@ -1382,9 +1287,7 @@ READ8_MEMBER( ygv608_device::palette_data_r )
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READ8_MEMBER(ygv608_device::register_data_r)
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{
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int regNum = m_register_address & 0x3f;
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uint8_t res = m_regs.b[regNum];
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//m_iospace->read_byte(regNum);
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uint8_t res = m_iospace->read_byte(regNum);
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if (m_register_autoinc_r == true)
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@ -1560,7 +1463,6 @@ WRITE8_MEMBER( ygv608_device::register_data_w )
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uint8_t regNum = m_register_address & 0x3f;
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//logerror( "R#%d = $%02X\n", regNum, data );
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m_regs.b[regNum] = data;
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m_iospace->write_byte(regNum, data);
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if (m_register_autoinc_w == true)
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@ -1614,12 +1516,18 @@ WRITE8_MEMBER( ygv608_device::system_control_w )
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// TODO: actual timing of this
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void ygv608_device::HandleYGV608Reset()
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{
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int i;
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/* Clear ports #0-7 */
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memset( &m_ports.b[0], 0, 8 );
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/* Clear registers #0-38, #47-49 */
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memset( &m_regs.b[0], 0, 39 );
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memset( &m_regs.b[47], 0, 3 );
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for(i=0;i<39;i++)
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m_iospace->write_byte(i, 0x00);
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for(i=47;i<50;i++)
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m_iospace->write_byte(i, 0x00);
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// memset( &m_regs.b[0], 0, 39 );
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// memset( &m_regs.b[47], 0, 3 );
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/* Clear internal ram */
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memset( m_pattern_name_table, 0, 4096 );
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@ -1640,6 +1548,7 @@ void ygv608_device::HandleRomTransfers(uint8_t type)
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popmessage("ROM DMA used %02x",type);
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#if 0
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// TODO: eventually update this code to latest
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static uint8_t *sdt = (uint8_t *)m_scroll_data_table;
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static uint8_t *sat = (uint8_t *)m_sprite_attribute_table.b;
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@ -1698,7 +1607,7 @@ void ygv608_device::HandleRomTransfers(uint8_t type)
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// R#0R - Pattern Name Table Access pointer Y
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READ8_MEMBER( ygv608_device::pattern_name_table_y_r )
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{
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return ((m_xtile_autoinc == true) << 7) | ((m_plane_select_access == true) << 6) | m_xtile_ptr;
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return (m_ytile_autoinc << 7) | (m_plane_select_access << 6) | m_ytile_ptr;
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}
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// R#0W - Pattern Name Table Access pointer Y
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@ -1718,7 +1627,7 @@ WRITE8_MEMBER( ygv608_device::pattern_name_table_y_w )
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// R#1R - Pattern Name Table Access pointer X
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READ8_MEMBER( ygv608_device::pattern_name_table_x_r )
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{
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return ((m_xtile_autoinc == true) << 7) | m_xtile_ptr;
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return (m_xtile_autoinc << 7) | m_xtile_ptr;
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}
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// R#1W - Pattern Name Table Access pointer X
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@ -2286,132 +2195,3 @@ void ygv608_device::screen_configure()
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}
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void ygv608_device::ShowYGV608Registers()
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{
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int p, b;
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logerror( "YGV608 Registers\n" );
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logerror(
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"\tR#00: $%02X : PNYA(%d),B/A(%c),PNY(%d)\n",
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m_regs.b[0],
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m_regs.s.r0 & r0_pnya,
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((m_plane_select_access == true) ? 'B' : 'A' ),
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m_regs.s.r0 & r0_pny);
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logerror(
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"\tR#01: $%02X : PNXA(%d),PNX(%d)\n",
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m_regs.b[1],
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m_regs.s.r1 & r1_pnxa,
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m_regs.s.r1 & r1_pnx);
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logerror(
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"\tR#02: $%02X : CPAW(%d),CPAR(%d),B/A(%d),SCAW(%d),SCAR(%d),SAAW(%d),SAAR(%d)\n",
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m_regs.b[2],
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m_regs.s.r2 & r2_cpaw,
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m_regs.s.r2 & r2_cpar,
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m_regs.s.r2 & r2_b_a,
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m_regs.s.r2 & r2_scaw,
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m_regs.s.r2 & r2_scar,
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m_regs.s.r2 & r2_saaw,
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m_regs.s.r2 & r2_saar);
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logerror(
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"\tR#03: $%02X : SAA($%02X)\n",
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m_regs.b[3],
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m_sprite_address );
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logerror(
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"\tR#04: $%02X : SCA($%02X)\n",
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m_regs.b[4],
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m_regs.s.sca );
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logerror(
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"\tR#05: $%02X : CC($%02X)\n",
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m_regs.b[5],
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m_regs.s.cc );
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logerror(
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"\tR#06: $%02X : SBA($%02X)\n",
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m_regs.b[6],
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m_sprite_bank );
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logerror(
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"\tR#07: $%02X : DSPE(%d),MD(%d),ZRON(%d),FLIP(%d),DCKM(%d)\n",
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m_regs.b[7],
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m_regs.s.r7 & r7_dspe,
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m_regs.s.r7 & r7_md,
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m_regs.s.r7 & r7_zron,
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m_regs.s.r7 & r7_flip,
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m_regs.s.r7 & r7_dckm);
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logerror(
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"\tR#08: $%02X : HDS(%d),VDS(%d),RLRT(%d),RLSC(%d),PGS(%d)\n",
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m_regs.b[8],
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m_regs.s.r8 & r8_hds,
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m_regs.s.r8 & r8_vds,
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m_regs.s.r8 & r8_rlrt,
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m_regs.s.r8 & r8_rlsc,
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m_regs.s.r8 & r8_pgs);
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logerror(
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"\tR#11: $%02X : CTPA(%d),CTPB(%d),PRM(%d),CBDR(%d),YSE(%d),SCM(%d)\n",
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m_regs.b[11],
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m_regs.s.r11 & r11_ctpa,
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m_regs.s.r11 & r11_ctpb,
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m_regs.s.r11 & r11_prm,
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m_regs.s.r11 & r11_cbdr,
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m_regs.s.r11 & r11_yse,
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m_regs.s.r11 & r11_scm);
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logerror(
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"\tR#40: $%02X : HTL9:8($%02X)=$%06X,HDW(%d)\n",
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m_regs.b[40],
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m_regs.s.r40 & r40_htl89, (int)(m_regs.s.r40 & r40_htl89) << 8,
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m_regs.s.r40 & r40_hdw);
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logerror(
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"\tR#41: $%02X : HDSP($%02X)\n",
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m_regs.b[41],
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m_regs.s.hdsp );
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logerror(
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"\tR#42: $%02X : HTL7:0($%02X)\n",
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m_regs.b[42],
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m_regs.s.htl );
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logerror(
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"\t HTL=$%03X\n",
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( (int)(m_regs.s.r40 & r40_htl89) << 8 ) |
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( (int)m_regs.s.htl ) );
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logerror(
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"\tR#47: $%02X : TB12:5($%02X) = $%06X\n",
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m_regs.b[47],
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m_regs.s.tb5, (int)m_regs.s.tb5 << 5 );
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logerror(
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"\tR#48: $%02X : TB20:13($%02X) = $%06X\n",
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m_regs.b[48],
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m_regs.s.tb13, (int)m_regs.s.tb13 << 13 );
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logerror(
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"\t TB=$%06X\n",
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( (int)m_regs.s.tb13 << 13 ) |
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( (int)m_regs.s.tb5 << 5 ) );
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logerror(
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"\tR#49: $%02X : TN11:4($%02X) = $%04X\n",
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m_regs.b[49],
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m_regs.s.tn4, (int)m_regs.s.tn4 << 4 );
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logerror(
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"ShortCuts:\n" );
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for( p=0; p<2; p++ ) {
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logerror( "\t" );
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for( b=0; b<8; b++ ) {
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logerror( "%02X ", m_base_addr[p][b] );
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}
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logerror( "\n" );
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}
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}
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@ -120,76 +120,6 @@ private:
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uint8_t p7; // P#7 - system control port (read/write)
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};
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struct YGV_REGS {
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uint8_t r0; // R#0 - pattern name table access ptr (r/w)
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uint8_t r1; // R#1 - pattern name table access ptr (r/w)
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uint8_t r2; // R#2 - built in ram access control
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uint8_t saa; // R#3 - sprite attribute table access ptr (r/w)
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uint8_t sca; // R#4 - scroll table access ptr (r/w)
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uint8_t cc; // R#5 - color palette access ptr (r/w)
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uint8_t sba; // R#6 - sprite generator base address (r/w)
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// R#7 - R#11 - screen control (r/w)
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uint8_t r7; // misc screen control (r/w)
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uint8_t r8; // misc screen control (r/w)
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uint8_t r9; // misc screen control (r/w)
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uint8_t r10; // misc screen control (r/w)
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uint8_t r11; // misc screen control (r/w)
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uint8_t r12; // R#12 - color palette selection (r/w)
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uint8_t bdc; // R#13 - border colour (wo)
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// R#14 - R#16 - interrupt control
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uint8_t r14;
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uint8_t il;
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uint8_t r16;
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// R#17 - R#24 - base address (wo)
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uint8_t r17;
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uint8_t r18;
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uint8_t r19;
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uint8_t r20;
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uint8_t r21;
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uint8_t r22;
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uint8_t r23;
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uint8_t r24;
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// R#25 - R#38 - enlargement, contraction and rotation parameters (wo)
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uint8_t ax0;
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uint8_t ax8;
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uint8_t ax16;
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uint8_t dx0;
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uint8_t dx8;
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uint8_t dxy0;
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uint8_t dxy8;
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uint8_t ay0;
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uint8_t ay8;
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uint8_t ay16;
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uint8_t dy0;
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uint8_t dy8;
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uint8_t dyx0;
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uint8_t dyx8;
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// R#39 - R#46 - display scan control (wo)
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uint8_t r39;
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uint8_t r40;
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uint8_t hdsp;
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uint8_t htl;
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uint8_t r43;
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uint8_t r44;
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uint8_t r45;
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uint8_t vtl;
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// R#47 - R#49 - rom transfer control (wo)
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uint8_t tb5;
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uint8_t tb13;
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uint8_t tn4;
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};
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static constexpr unsigned MAX_SPRITES = SPRITE_ATTR_TABLE_SIZE >> 2;
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struct SPRITE_ATTR {
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@ -221,18 +151,12 @@ private:
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void HandleYGV608Reset();
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void HandleRomTransfers(uint8_t type);
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void ShowYGV608Registers();
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union {
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uint8_t b[8];
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YGV_PORTS s;
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} m_ports;
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union {
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uint8_t b[50];
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YGV_REGS s;
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} m_regs;
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/*
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* Built in ram
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*/
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