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this command pair is the same as kov (nw)

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This commit is contained in:
David Haywood 2012-12-21 19:43:37 +00:00
parent d369a640f8
commit f7ad6844aa
2 changed files with 14 additions and 1 deletions
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2
src/mame/drivers/pgm.c
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@ -1787,7 +1787,7 @@ ROM_START( pgm3in1 )
/* No external ARM rom */
ROM_REGION( 0x480000, "tiles", 0 ) /* 8x8 Text Tiles + 32x32 BG Tiles */
ROM_REGION( 0x380000, "tiles", 0 ) /* 8x8 Text Tiles + 32x32 BG Tiles */
PGM_VIDEO_BIOS
ROM_LOAD( "u5.u5", 0x180000, 0x200000, CRC(da375a50) SHA1(62cd2fd3dfc1897528eaa38d243d7a9526eac71b) )

13
src/mame/machine/pgmprot1.c
View File

@ -681,6 +681,19 @@ void command_handler_py2k2(pgm_arm_type1_state *state, int pc)
state->m_valueresponse = 0x880000;
break;
case 0xcb: // Background layer 'x' select (pgm3in1, same as kov)
state->m_valueresponse = 0x880000;
state->m_kov_cb_value = state->m_value0;
break;
case 0xcc: // Background layer offset (pgm3in1, same as kov)
{
int y = state->m_value0;
if (y & 0x400) y = -(0x400 - (y & 0x3ff));
state->m_valueresponse = 0x900000 + ((state->m_kov_cb_value + (y * 0x40)) * 4);
}
break;
case 0x99: // reset?
state->m_valuekey = 0x100;
state->m_valueresponse = 0x00880000;