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[VM][FMTOWNS][PLANEVRAM] Make registers accessing related to Tsugaru.
author
K.Ohta
<whatisthis.sowhat@gmail.com>
Sun, 8 Oct 2023 14:32:10 +0000
(23:32 +0900)
committer
K.Ohta
<whatisthis.sowhat@gmail.com>
Sun, 8 Oct 2023 14:32:10 +0000
(23:32 +0900)
source/src/vm/fmtowns/planevram.cpp
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diff --git
a/source/src/vm/fmtowns/planevram.cpp
b/source/src/vm/fmtowns/planevram.cpp
index
9c3e8dd
..
4a9ea9e
100644
(file)
--- a/
source/src/vm/fmtowns/planevram.cpp
+++ b/
source/src/vm/fmtowns/planevram.cpp
@@
-18,7
+18,7
@@
void PLANEVRAM::reset()
{
mix_reg = 0xff;
r50_readplane = 0x0; // OK?
{
mix_reg = 0xff;
r50_readplane = 0x0; // OK?
- r50_ramsel = 0x
0
; // OK?
+ r50_ramsel = 0x
f
; // OK?
r50_gvramsel = 0x00000000; // OK?
}
r50_gvramsel = 0x00000000; // OK?
}
@@
-26,7
+26,7
@@
void PLANEVRAM::write_io8(uint32_t addr, uint32_t data)
{
switch(addr) {
case 0xff80:
{
switch(addr) {
case 0xff80:
- mix_reg = data
& 0x28;
+ mix_reg = data
| (~(0x28)); // 20231008 K.O related from manual.
break;
case 0xff81:
// out_debug_log(_T("0xCFF81=%02X"), data & 0xff);
break;
case 0xff81:
// out_debug_log(_T("0xCFF81=%02X"), data & 0xff);
@@
-65,15
+65,16
@@
uint32_t PLANEVRAM::read_io8(uint32_t addr)
return ((r50_readplane << 6) | r50_ramsel);
break;
case 0xff82:
return ((r50_readplane << 6) | r50_ramsel);
break;
case 0xff82:
- __LIKELY_IF(d_crtc != NULL) {
-
return d_crtc->read_signal(SIG_TOWNS_CRTC_MMIO_CFF82H);
- }
+
//
__LIKELY_IF(d_crtc != NULL) {
+
//
return d_crtc->read_signal(SIG_TOWNS_CRTC_MMIO_CFF82H);
+
//
}
break;
case 0xff83:
break;
case 0xff83:
- return ((r50_gvramsel != 0x00000) ? 0x10 : 0x00);
+ return ((r50_gvramsel != 0x00000) ? 0x10 : 0x00)
| 0xe7
;
break;
case 0xff84:
break;
case 0xff84:
- return 0x7f; // Reserve.FIRQ
+ return 0x00; // Reserve.FIRQ
+ //return 0x7f; // Reserve.FIRQ
break;
case 0xff86:
__LIKELY_IF(d_crtc != NULL) {
break;
case 0xff86:
__LIKELY_IF(d_crtc != NULL) {