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Minor tweaks for previous Base64A merge:

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. added dedicated IsCopamBase64A() function
. added comments to identify Copam Base64A specific vars
. added some missing const keywords
This commit is contained in:
tomcw 2020-07-06 20:52:31 +01:00
parent 36e318e344
commit f1f16d4fc2
3 changed files with 19 additions and 15 deletions
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5
source/Common.h
View File

@ -236,6 +236,11 @@ inline bool IsEnhancedIIEorIIC(void)
return ( (g_Apple2Type == A2TYPE_APPLE2EENHANCED) || (g_Apple2Type == A2TYPE_TK30002E) || IS_APPLE2C() );
}
inline bool IsCopamBase64A(eApple2Type type) // Copam Base64A
{
return type == A2TYPE_BASE64A;
}
enum eBUTTON {BUTTON0=0, BUTTON1};
enum eBUTTONSTATE {BUTTON_UP=0, BUTTON_DOWN};

27
source/Memory.cpp
View File

@ -77,8 +77,8 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#define SW_INTCXROM (memmode & MF_INTCXROM)
#define SW_WRITERAM (memmode & MF_WRITERAM)
#define SW_IOUDIS (memmode & MF_IOUDIS)
#define SW_ALTROM0 (memmode & MF_ALTROM0)
#define SW_ALTROM1 (memmode & MF_ALTROM1)
#define SW_ALTROM0 (memmode & MF_ALTROM0) // For Copam Base64A
#define SW_ALTROM1 (memmode & MF_ALTROM1) // For Copam Base64A
/*
MEMORY MANAGEMENT SOFT SWITCHES
@ -243,7 +243,7 @@ const UINT Apple2RomSize = 12 * 1024;
const UINT Apple2eRomSize = Apple2RomSize + CxRomSize;
//const UINT Pravets82RomSize = 12*1024;
//const UINT Pravets8ARomSize = Pravets82RomSize+CxRomSize;
const UINT MaxRomPages = 4;
const UINT MaxRomPages = 4; // For Copam Base64A
const UINT Base64ARomSize = MaxRomPages * Apple2RomSize;
// Called from MemLoadSnapshot()
@ -705,18 +705,14 @@ BYTE __stdcall IO_Annunciator(WORD programcounter, WORD address, BYTE write, BYT
g_Annunciator[(address>>1) & 3] = (address&1) ? true : false;
if (address >= 0xC058 && address <= 0xC05B)
{
JoyportControl(address & 0x3); // AN0 and AN1 control
}
if (address >= 0xC058 && address <= 0xC05B && IsCopamBase64A(GetApple2Type()))
MemSetPaging(programcounter, address, write, value, nExecutedCycles);
if (address >= 0xC05C && address <= 0xC05D && IsApple2JPlus(GetApple2Type()))
NTSC_VideoInitAppleType(); // AN2 switches between Katakana & ASCII video rom chars (GH#773)
if (address >= 0xC058 && address <= 0xC05B && (g_Apple2Type == A2TYPE_BASE64A))
{
MemSetPaging(programcounter, address, write, value, nExecutedCycles);
}
if (!write)
return MemReadFloatingBus(nExecutedCycles);
else
@ -1150,11 +1146,14 @@ static void UpdatePaging(BOOL initialize)
: pCxRomInternal+uRomOffset; // C800..CFFF - Internal ROM
}
int selectedrompage = (SW_ALTROM0 ? 1 : 0) | (SW_ALTROM1 ? 2 : 0);
int romoffset = (selectedrompage % memrompages) * Apple2RomSize;
const int selectedrompage = (SW_ALTROM0 ? 1 : 0) | (SW_ALTROM1 ? 2 : 0);
#ifdef _DEBUG
if (selectedrompage) { _ASSERT(IsCopamBase64A(GetApple2Type())); }
#endif
const int romoffset = (selectedrompage % memrompages) * Apple2RomSize; // Only Copam Base64A has a non-zero romoffset
for (loop = 0xD0; loop < 0xE0; loop++)
{
int bankoffset = (SW_BANK2 ? 0 : 0x1000);
const int bankoffset = (SW_BANK2 ? 0 : 0x1000);
memshadow[loop] = SW_HIGHRAM ? SW_ALTZP ? memaux+(loop << 8)-bankoffset
: g_pMemMainLanguageCard+((loop-0xC0)<<8)-bankoffset
: memrom+((loop-0xD0) * 0x100)+romoffset;
@ -2062,7 +2061,7 @@ BYTE __stdcall MemSetPaging(WORD programcounter, WORD address, BYTE write, BYTE
}
}
if (g_Apple2Type == A2TYPE_BASE64A)
if (IsCopamBase64A(GetApple2Type()))
{
switch (address)
{

2
source/NTSC_CharSet.cpp
View File

@ -181,7 +181,7 @@ static void userVideoRomForIIe(void)
//-------------------------------------
static void userVideoRom2K(csbits_t csbits, const BYTE* pVideoRom, eApple2Type type = A2TYPE_APPLE2, const int AN2=0);
static void userVideoRom2K(csbits_t csbits, const BYTE* pVideoRom, const eApple2Type type = A2TYPE_APPLE2, const int AN2=0);
static void userVideoRom2K(csbits_t csbits, const BYTE* pVideoRom, const eApple2Type type /*= A2TYPE_APPLE2*/, const int AN2/*=0*/)
{