Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-22 16:31:49 +03:00
Code Issues Actions Packages Projects Releases Wiki Activity

pcd: add some logging for what is likely the mmu (nw)

Browse Source
This commit is contained in:
cracyc 2015-07-23 14:57:57 -05:00
parent 68a39e8e69
commit fc2616acbf
1 changed files with 14 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
src/mess/drivers/pcd.c
View File

@ -69,6 +69,8 @@ public:
DECLARE_WRITE8_MEMBER( scsi_w );
DECLARE_WRITE8_MEMBER( vram_sw_w );
DECLARE_WRITE16_MEMBER( vram_w );
DECLARE_READ16_MEMBER( mmu_r );
DECLARE_WRITE16_MEMBER( mmu_w );
SCN2674_DRAW_CHARACTER_MEMBER(display_pixels);
DECLARE_FLOPPY_FORMATS( floppy_formats );
DECLARE_WRITE_LINE_MEMBER(write_scsi_bsy);
@ -282,6 +284,17 @@ WRITE8_MEMBER( pcd_state::led_w )
m_led = data;
}
READ16_MEMBER( pcd_state::mmu_r )
{
logerror("%s: mmu read %04x\n", machine().describe_context(), offset + 0x8000);
return 0;
}
WRITE16_MEMBER( pcd_state::mmu_w )
{
logerror("%s: mmu write %04x %04x\n", machine().describe_context(), offset + 0x8000, data);
}
SCN2674_DRAW_CHARACTER_MEMBER(pcd_state::display_pixels)
{
if(lg)
@ -409,6 +422,7 @@ ADDRESS_MAP_END
static ADDRESS_MAP_START( pcd_io, AS_IO, 16, pcd_state )
ADDRESS_MAP_UNMAP_HIGH
AM_RANGE(0x8000, 0x8fff) AM_READWRITE(mmu_r, mmu_w)
AM_RANGE(0x0000, 0xefff) AM_READWRITE8(nmi_io_r, nmi_io_w, 0xffff)
AM_RANGE(0xf000, 0xf7ff) AM_RAM AM_SHARE("nvram")
AM_RANGE(0xf800, 0xf801) AM_DEVREADWRITE8("pic1", pic8259_device, read, write, 0xffff)