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https://github.com/holub/mame
synced 2025-06-30 16:00:01 +03:00
galpanic2: cleanup the mcu commands, add the slave ones
This commit is contained in:
Olivier Galibert
parent
ff64fadcd9
commit
53764ae92d
@ -85,7 +85,6 @@ Notes:
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#include "screen.h"
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#include "speaker.h"
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/***************************************************************************
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@ -135,7 +134,6 @@ void galpani2_state::machine_start()
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save_item(NAME(m_eeprom_word));
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save_item(NAME(m_old_mcu_nmi1));
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save_item(NAME(m_old_mcu_nmi2));
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}
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void galpani2_state::machine_reset()
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@ -188,86 +186,46 @@ void galpani2_state::galpani2_mcu_init_w(uint8_t data)
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void galpani2_state::galpani2_mcu_nmi1()
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{
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address_space &srcspace = m_maincpu->space(AS_PROGRAM);
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address_space &dstspace = m_subcpu->space(AS_PROGRAM);
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uint32_t mcu_list, mcu_command, mcu_address, mcu_extra, mcu_src, mcu_dst, mcu_size;
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address_space &mspace = m_maincpu->space(AS_PROGRAM);
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address_space &sspace = m_subcpu->space(AS_PROGRAM);
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for ( mcu_list = 0x100021; mcu_list < (0x100021 + 0x40); mcu_list += 4 )
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{
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mcu_command = srcspace.read_byte(mcu_list);
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uint8_t len = mspace.read_byte(0x100020);
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for(uint8_t slot = 0; slot < len; slot += 4) {
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uint8_t command = mspace.read_byte(0x100021 + slot);
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uint16_t address = 0x100000 | mspace.read_word(0x100022 + slot);
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mcu_address = 0x100000 +
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(srcspace.read_byte(mcu_list + 1)<<8) +
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(srcspace.read_byte(mcu_list + 2)<<0) ;
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mcu_extra = srcspace.read_byte(mcu_list + 3); //0xff for command $A and $2, 0x02 for others
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if (mcu_command != 0)
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switch (command)
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{
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logerror("%s : MCU [$%06X] endidx = $%02X / command = $%02X addr = $%04X ? = $%02X.\n",
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machine().describe_context(),
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mcu_list,
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srcspace.read_byte(0x100020),
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mcu_command,
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mcu_address,
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mcu_extra
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);
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case 0x02: { //Copy N bytes from RAM2 to RAM1?, gp2se is the only one to use it, often!
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uint16_t src = mspace.read_word(address + 0x100002);
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uint16_t dst = mspace.read_word(address + 0x100006);
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uint16_t size = mspace.read_word(address + 0x100008);
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logerror("MCU master %02x:%04x copy s:%04x, m:%04x, size:%04x\n", slot, address, src, dst, size);
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for(uint16_t i = 0; i != size; i++)
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{
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mspace.write_byte(0x100000 + dst, sspace.read_byte(0x100000 + src));
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src ++;
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dst ++;
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}
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break;
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}
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switch (mcu_command)
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{
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case 0x00:
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break;
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case 0x0a: { // Copy N bytes from RAM1 to RAM2
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uint16_t src = mspace.read_word(address + 0x100002);
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uint16_t dst = mspace.read_word(address + 0x100006);
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uint16_t size = mspace.read_word(address + 0x100008);
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logerror("MCU master %02x:%04x copy m:%04x, s:%04x, size:%04x\n", slot, address, src, dst, size);
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case 0x02: //Copy N bytes from RAM2 to RAM1?, gp2se is the only one to use it, often!
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mcu_src = (srcspace.read_byte(mcu_address + 2)<<8) +
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(srcspace.read_byte(mcu_address + 3)<<0) ;
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mcu_dst = (srcspace.read_byte(mcu_address + 6)<<8) +
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(srcspace.read_byte(mcu_address + 7)<<0) ;
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mcu_size = (srcspace.read_byte(mcu_address + 8)<<8) +
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(srcspace.read_byte(mcu_address + 9)<<0) ;
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logerror("%s : MCU executes command $%02X, %04X %02X-> %04x\n",machine().describe_context(),mcu_command,mcu_src,mcu_size,mcu_dst);
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for( ; mcu_size > 0 ; mcu_size-- )
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for(uint16_t i = 0; i != size; i++)
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{
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mcu_src &= 0xffff; mcu_dst &= 0xffff;
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srcspace.write_byte(0x100000 + mcu_dst,dstspace.read_byte(0x100000 + mcu_src));
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mcu_src ++; mcu_dst ++;
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sspace.write_byte(0x100000 + dst, mspace.read_byte(0x100000 + src));
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src ++;
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dst ++;
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}
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/* Raise a "job done" flag */
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srcspace.write_byte(mcu_address+0,0xff);
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srcspace.write_byte(mcu_address+1,0xff);
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break;
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case 0x0a: // Copy N bytes from RAM1 to RAM2
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mcu_src = (srcspace.read_byte(mcu_address + 2)<<8) +
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(srcspace.read_byte(mcu_address + 3)<<0) ;
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mcu_dst = (srcspace.read_byte(mcu_address + 6)<<8) +
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(srcspace.read_byte(mcu_address + 7)<<0) ;
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mcu_size = (srcspace.read_byte(mcu_address + 8)<<8) +
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(srcspace.read_byte(mcu_address + 9)<<0) ;
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logerror("%s : MCU executes command $%02X, %04X %02X-> %04x\n",machine().describe_context(),mcu_command,mcu_src,mcu_size,mcu_dst);
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for( ; mcu_size > 0 ; mcu_size-- )
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{
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mcu_src &= 0xffff; mcu_dst &= 0xffff;
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dstspace.write_byte(0x100000 + mcu_dst,srcspace.read_byte(0x100000 + mcu_src));
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mcu_src ++; mcu_dst ++;
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}
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/* Raise a "job done" flag */
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srcspace.write_byte(mcu_address+0,0xff);
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srcspace.write_byte(mcu_address+1,0xff);
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break;
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}
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//case 0x10: //? Clear gal?
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//case 0x14: //? Display gal?
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//until
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@ -277,22 +235,45 @@ void galpani2_state::galpani2_mcu_nmi1()
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//case 0x6E: //? Display "Changed" monster?
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//case 0x85: //? Do what?
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default:
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/* Raise a "job done" flag */
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srcspace.write_byte(mcu_address+0,0xff);
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srcspace.write_byte(mcu_address+1,0xff);
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logerror("%s : MCU ERROR, unknown command $%02X\n",machine().describe_context(),mcu_command);
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machine().debug_break();
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logerror("MCU master %02x:%04x: unknown command %02x\n", slot, address, command);
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break;
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}
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/* Erase command (so that it won't be processed again)? */
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srcspace.write_byte(mcu_list,0x00);
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/* Raise a "job done" flag */
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if (command)
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mspace.write_word(address + 0x100000, 0xffff);
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}
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if (len)
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mspace.write_byte(0x100020, 0x00);
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}
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void galpani2_state::galpani2_mcu_nmi2()
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{
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galpani2_write_kaneko(m_maincpu);
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//logerror("%s : MCU executes CHECKs synchro\n", machine().describe_context());
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address_space &sspace = m_subcpu->space(AS_PROGRAM);
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uint8_t len = sspace.read_byte(0x101012);
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for(uint8_t slot = 0; slot < len; slot += 4) {
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uint8_t command = sspace.read_byte(0x101013 + slot);
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uint16_t address = 0x100000 | sspace.read_word(0x101014 + slot);
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switch (command)
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{
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default:
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machine().debug_break();
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logerror("MCU slave %02x:%04x: unknown command %02x\n", slot, address, command);
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break;
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}
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/* Raise a "job done" flag */
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if (command)
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sspace.write_word(address + 0x100000, 0xffff);
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}
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if (len)
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sspace.write_byte(0x101012, 0x00);
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galpani2_write_kaneko(m_maincpu);
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//logerror("%s : MCU executes CHECKs synchro\n", machine().describe_context());
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}
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void galpani2_state::galpani2_mcu_nmi1_w(uint8_t data) //driven by CPU1's int5 ISR
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