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Fixes various IIe video deficiencies.

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Specifically:
* the double-high resolution switches should be read/write; and
* the other IIe-specific switches should cause a video update for real-time effect.
This commit is contained in:
Thomas Harte 2018-08-05 17:47:23 -04:00
parent e07447eb9a
commit de68e70246
1 changed files with 18 additions and 6 deletions
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24
Machines/AppleII/AppleII.cpp
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@ -519,10 +519,11 @@ template <bool is_iie> class ConcreteMachine:
// Write-only switches. All IIe as currently implemented. // Write-only switches. All IIe as currently implemented.
if(is_iie) { if(is_iie) {
switch(address) { switch(address) {
default: break; default: printf("Write %04x?\n", address); break;
case 0xc000: case 0xc000:
case 0xc001: case 0xc001:
update_video();
video_->set_80_store(!!(address&1)); video_->set_80_store(!!(address&1));
set_main_paging(); set_main_paging();
break; break;
@ -561,13 +562,16 @@ template <bool is_iie> class ConcreteMachine:
break; break;
case 0xc00c: case 0xc00c:
case 0xc00d: video_->set_80_columns(!!(address&1)); break; case 0xc00d:
update_video();
video_->set_80_columns(!!(address&1));
break;
case 0xc00e: case 0xc00e:
case 0xc00f: video_->set_alternative_character_set(!!(address&1)); break; case 0xc00f:
update_video();
case 0xc05e: video_->set_alternative_character_set(!!(address&1));
case 0xc05f: video_->set_double_high_resolution(!(address&1)); break; break;
} }
} }
} }
@ -606,6 +610,14 @@ template <bool is_iie> class ConcreteMachine:
set_main_paging(); set_main_paging();
break; break;
case 0xc05e:
case 0xc05f:
if(is_iie) {
update_video();
video_->set_double_high_resolution(!(address&1));
}
break;
case 0xc010: case 0xc010:
keyboard_input_ &= 0x7f; keyboard_input_ &= 0x7f;
if(string_serialiser_) { if(string_serialiser_) {