Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-16 05:24:54 +03:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

Merge pull request #8364 from tlindner/coco3-forceram

Browse Source 
coco3: adjust $FEXX constant RAM setting
This commit is contained in:
ajrhacker 2021-07-26 22:08:09 -04:00 committed by GitHub
commit 6ee768c205
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 1 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/mame/video/gime.cpp
View File

@ -529,19 +529,16 @@ void gime_device::update_memory(int bank)
// bank 8 is really $FE00-$FEFF; it is weird so adjust for it
offs_t offset;
bool force_ram;
bool enable_mmu = (m_gime_registers[0] & 0x40) ? true : false;
if (bank == 8)
{
bank = 7;
offset = 0x1E00;
force_ram = (m_gime_registers[0] & 0x08);
enable_mmu = enable_mmu && !(m_gime_registers[0] & 0x08);
}
else
{
offset = 0x0000;
force_ram = false;
}
// is the MMU enabled at $FF90?
@ -566,7 +563,7 @@ void gime_device::update_memory(int bank)
// are we actually in ROM?
uint8_t *memory;
bool is_read_only;
if (((block & 0x3F) >= 0x3C) && !(m_sam_state & SAM_STATE_TY) && !force_ram)
if (((block & 0x3F) >= 0x3C) && !(m_sam_state & SAM_STATE_TY))
{
// we're in ROM
const uint8_t rom_mode = m_gime_registers[0] & 3;