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Diffstat (limited to 'src/mame/video/ygv608.cpp')
-rw-r--r--src/mame/video/ygv608.cpp248
1 files changed, 14 insertions, 234 deletions
diff --git a/src/mame/video/ygv608.cpp b/src/mame/video/ygv608.cpp
index f3fcb7248ba..35c126e36ab 100644
--- a/src/mame/video/ygv608.cpp
+++ b/src/mame/video/ygv608.cpp
@@ -74,101 +74,6 @@ enum {
p7_ts = 0x04,
p7_tn = 0x02,
p7_sr = 0x01,
-
- r0_pnya = 0x80, // if set, increment name table address after reads
- r0_b_a = 0x40, // if set, we're reading from the second plane of tile data
- r0_pny = 0x3f, // y-coordinate of current name table address
-
- r1_pnxa = 0x80, // if set, increment name table address after read
- r1_res1 = 0x40,
- r1_pnx = 0x3f, // x-coordinate of current name table address
-
- r2_cpaw = 0x80, // if set, increment color palette address after writes
- r2_cpar = 0x40, // if set, increment color palette address after reads
-// r2_res2 = 0x20,
- r2_b_a = 0x10,
- r2_scaw = 0x08, // if set, increment scroll address after writes
- r2_scar = 0x04, // if set, increment scroll address after reads
- r2_saaw = 0x02, // if set, increment sprite address after writes
- r2_saar = 0x01, // if set, increment sprite address after reads
-
- r7_dckm = 0x80,
- r7_flip = 0x40,
-// r7_res7 = 0x30,
- r7_zron = 0x08, // if set, roz plane is active
- r7_md = 0x06, // determines 1 of 4 possible video modes
- r7_dspe = 0x01, // if set, display is enabled
-
- r8_hds = 0xc0,
- r8_vds = 0x30,
- r8_rlrt = 0x08,
- r8_rlsc = 0x04,
-// r8_res8 = 0x02,
- r8_pgs = 0x01,
-
- r9_pts = 0xc0,
- r9_slh = 0x38,
- r9_slv = 0x07,
-
- r10_spa = 0xc0, // misc global sprite attributes (x/y flip or sprite size)
- r10_spas = 0x20, // if set, spa controls sprite flip, if clear, controls sprite size
- r10_sprd = 0x10, // if set, sprites are disabled
- r10_mcb = 0x0c,
- r10_mca = 0x03,
-
- r11_scm = 0xc0,
- r11_yse = 0x20,
- r11_cbdr = 0x10,
- r11_prm = 0x0c, // determines one of 4 priority settings
- r11_ctpb = 0x02,
- r11_ctpa = 0x01,
-
- r12_spf = 0xc0,
- r12_bpf = 0x38,
- r12_apf = 0x07,
-
-// r14_res14 = 0xfc,
- r14_iep = 0x02, // if set, generate IRQ on position detection (?)
- r14_iev = 0x01, // if set, generate IRQ on vertical border interval draw
-
- // these 4 are currently unimplemented by us
- r16_fpm = 0x80,
- r16_il8 = 0x40,
- r16_res16 = 0x20,
- r16_ih = 0x1f,
-
- r17_ba1 = 0x70,
- r17_ba0 = 0x07,
- r18_ba3 = 0x70,
- r18_ba2 = 0x07,
- r19_ba5 = 0x70,
- r19_ba4 = 0x07,
- r20_ba7 = 0x70,
- r20_ba6 = 0x07,
- r21_bb1 = 0x70,
- r21_bb0 = 0x07,
- r22_bb3 = 0x70,
- r22_bb2 = 0x07,
- r23_bb5 = 0x70,
- r23_bb4 = 0x07,
- r24_bb7 = 0x70,
- r24_bb6 = 0x07,
-
- r39_hsw = 0xe0,
- r39_hbw = 0x1f,
-
- r40_htl89 = 0xc0,
- r40_hdw = 0x3f,
-
- r43_vsw = 0xe0,
- r43_vbw = 0x1f,
-
- r44_vsls = 0x40,
- r44_vdw = 0x1f,
-
- r45_vtl8 = 0x80,
- r45_tres = 0x40,
- r45_vdp = 0x1f
};
@@ -443,7 +348,7 @@ ygv608_device::ygv608_device( const machine_config &mconfig, const char *tag, de
void ygv608_device::device_start()
{
memset(&m_ports, 0, sizeof(m_ports));
- memset(&m_regs, 0, sizeof(m_regs));
+// memset(&m_regs, 0, sizeof(m_regs));
memset(&m_pattern_name_table, 0, sizeof(m_pattern_name_table));
memset(&m_sprite_attribute_table, 0, sizeof(m_sprite_attribute_table));
@@ -966,7 +871,7 @@ void ygv608_device::postload()
void ygv608_device::register_state_save()
{
save_item(NAME(m_ports.b));
- save_item(NAME(m_regs.b));
+// save_item(NAME(m_regs.b));
save_item(NAME(m_pattern_name_table));
save_item(NAME(m_sprite_attribute_table.b));
save_item(NAME(m_scroll_data_table));
@@ -1382,9 +1287,7 @@ READ8_MEMBER( ygv608_device::palette_data_r )
READ8_MEMBER(ygv608_device::register_data_r)
{
int regNum = m_register_address & 0x3f;
- uint8_t res = m_regs.b[regNum];
-
- //m_iospace->read_byte(regNum);
+ uint8_t res = m_iospace->read_byte(regNum);
if (m_register_autoinc_r == true)
@@ -1560,7 +1463,6 @@ WRITE8_MEMBER( ygv608_device::register_data_w )
uint8_t regNum = m_register_address & 0x3f;
//logerror( "R#%d = $%02X\n", regNum, data );
- m_regs.b[regNum] = data;
m_iospace->write_byte(regNum, data);
if (m_register_autoinc_w == true)
@@ -1614,12 +1516,18 @@ WRITE8_MEMBER( ygv608_device::system_control_w )
// TODO: actual timing of this
void ygv608_device::HandleYGV608Reset()
{
+ int i;
/* Clear ports #0-7 */
memset( &m_ports.b[0], 0, 8 );
/* Clear registers #0-38, #47-49 */
- memset( &m_regs.b[0], 0, 39 );
- memset( &m_regs.b[47], 0, 3 );
+ for(i=0;i<39;i++)
+ m_iospace->write_byte(i, 0x00);
+ for(i=47;i<50;i++)
+ m_iospace->write_byte(i, 0x00);
+
+// memset( &m_regs.b[0], 0, 39 );
+// memset( &m_regs.b[47], 0, 3 );
/* Clear internal ram */
memset( m_pattern_name_table, 0, 4096 );
@@ -1640,6 +1548,7 @@ void ygv608_device::HandleRomTransfers(uint8_t type)
popmessage("ROM DMA used %02x",type);
#if 0
+ // TODO: eventually update this code to latest
static uint8_t *sdt = (uint8_t *)m_scroll_data_table;
static uint8_t *sat = (uint8_t *)m_sprite_attribute_table.b;
@@ -1698,7 +1607,7 @@ void ygv608_device::HandleRomTransfers(uint8_t type)
// R#0R - Pattern Name Table Access pointer Y
READ8_MEMBER( ygv608_device::pattern_name_table_y_r )
{
- return ((m_xtile_autoinc == true) << 7) | ((m_plane_select_access == true) << 6) | m_xtile_ptr;
+ return (m_ytile_autoinc << 7) | (m_plane_select_access << 6) | m_ytile_ptr;
}
// R#0W - Pattern Name Table Access pointer Y
@@ -1718,7 +1627,7 @@ WRITE8_MEMBER( ygv608_device::pattern_name_table_y_w )
// R#1R - Pattern Name Table Access pointer X
READ8_MEMBER( ygv608_device::pattern_name_table_x_r )
{
- return ((m_xtile_autoinc == true) << 7) | m_xtile_ptr;
+ return (m_xtile_autoinc << 7) | m_xtile_ptr;
}
// R#1W - Pattern Name Table Access pointer X
@@ -2286,132 +2195,3 @@ void ygv608_device::screen_configure()
}
-void ygv608_device::ShowYGV608Registers()
-{
- int p, b;
-
- logerror( "YGV608 Registers\n" );
- logerror(
- "\tR#00: $%02X : PNYA(%d),B/A(%c),PNY(%d)\n",
- m_regs.b[0],
- m_regs.s.r0 & r0_pnya,
- ((m_plane_select_access == true) ? 'B' : 'A' ),
- m_regs.s.r0 & r0_pny);
-
- logerror(
- "\tR#01: $%02X : PNXA(%d),PNX(%d)\n",
- m_regs.b[1],
- m_regs.s.r1 & r1_pnxa,
- m_regs.s.r1 & r1_pnx);
-
- logerror(
- "\tR#02: $%02X : CPAW(%d),CPAR(%d),B/A(%d),SCAW(%d),SCAR(%d),SAAW(%d),SAAR(%d)\n",
- m_regs.b[2],
- m_regs.s.r2 & r2_cpaw,
- m_regs.s.r2 & r2_cpar,
- m_regs.s.r2 & r2_b_a,
- m_regs.s.r2 & r2_scaw,
- m_regs.s.r2 & r2_scar,
- m_regs.s.r2 & r2_saaw,
- m_regs.s.r2 & r2_saar);
-
- logerror(
- "\tR#03: $%02X : SAA($%02X)\n",
- m_regs.b[3],
- m_sprite_address );
-
- logerror(
- "\tR#04: $%02X : SCA($%02X)\n",
- m_regs.b[4],
- m_regs.s.sca );
-
- logerror(
- "\tR#05: $%02X : CC($%02X)\n",
- m_regs.b[5],
- m_regs.s.cc );
-
- logerror(
- "\tR#06: $%02X : SBA($%02X)\n",
- m_regs.b[6],
- m_sprite_bank );
-
- logerror(
- "\tR#07: $%02X : DSPE(%d),MD(%d),ZRON(%d),FLIP(%d),DCKM(%d)\n",
- m_regs.b[7],
- m_regs.s.r7 & r7_dspe,
- m_regs.s.r7 & r7_md,
- m_regs.s.r7 & r7_zron,
- m_regs.s.r7 & r7_flip,
- m_regs.s.r7 & r7_dckm);
-
- logerror(
- "\tR#08: $%02X : HDS(%d),VDS(%d),RLRT(%d),RLSC(%d),PGS(%d)\n",
- m_regs.b[8],
- m_regs.s.r8 & r8_hds,
- m_regs.s.r8 & r8_vds,
- m_regs.s.r8 & r8_rlrt,
- m_regs.s.r8 & r8_rlsc,
- m_regs.s.r8 & r8_pgs);
-
- logerror(
- "\tR#11: $%02X : CTPA(%d),CTPB(%d),PRM(%d),CBDR(%d),YSE(%d),SCM(%d)\n",
- m_regs.b[11],
- m_regs.s.r11 & r11_ctpa,
- m_regs.s.r11 & r11_ctpb,
- m_regs.s.r11 & r11_prm,
- m_regs.s.r11 & r11_cbdr,
- m_regs.s.r11 & r11_yse,
- m_regs.s.r11 & r11_scm);
-
- logerror(
- "\tR#40: $%02X : HTL9:8($%02X)=$%06X,HDW(%d)\n",
- m_regs.b[40],
- m_regs.s.r40 & r40_htl89, (int)(m_regs.s.r40 & r40_htl89) << 8,
- m_regs.s.r40 & r40_hdw);
-
- logerror(
- "\tR#41: $%02X : HDSP($%02X)\n",
- m_regs.b[41],
- m_regs.s.hdsp );
-
- logerror(
- "\tR#42: $%02X : HTL7:0($%02X)\n",
- m_regs.b[42],
- m_regs.s.htl );
-
- logerror(
- "\t HTL=$%03X\n",
- ( (int)(m_regs.s.r40 & r40_htl89) << 8 ) |
- ( (int)m_regs.s.htl ) );
-
- logerror(
- "\tR#47: $%02X : TB12:5($%02X) = $%06X\n",
- m_regs.b[47],
- m_regs.s.tb5, (int)m_regs.s.tb5 << 5 );
-
- logerror(
- "\tR#48: $%02X : TB20:13($%02X) = $%06X\n",
- m_regs.b[48],
- m_regs.s.tb13, (int)m_regs.s.tb13 << 13 );
-
- logerror(
- "\t TB=$%06X\n",
- ( (int)m_regs.s.tb13 << 13 ) |
- ( (int)m_regs.s.tb5 << 5 ) );
-
- logerror(
- "\tR#49: $%02X : TN11:4($%02X) = $%04X\n",
- m_regs.b[49],
- m_regs.s.tn4, (int)m_regs.s.tn4 << 4 );
-
- logerror(
- "ShortCuts:\n" );
-
- for( p=0; p<2; p++ ) {
- logerror( "\t" );
- for( b=0; b<8; b++ ) {
- logerror( "%02X ", m_base_addr[p][b] );
- }
- logerror( "\n" );
- }
-}
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