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bradgrantham-apple2e
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more const char*, only issue mode change if there was a change

This commit is contained in:
Brad Grantham 2020-12-06 20:08:03 -08:00
parent 38f64dcd47
commit 2022b375bd
1 changed files with 13 additions and 9 deletions
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22
apple2e.cpp
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@ -274,7 +274,7 @@ unsigned char floppy_doSector[16] = {
unsigned char floppy_poSector[16] = {
0x0, 0x8, 0x1, 0x9, 0x2, 0xA, 0x3, 0xB, 0x4, 0xC, 0x5, 0xD, 0x6, 0xE, 0x7, 0xF };
void floppy_NybblizeImage(unsigned char *image, unsigned char *nybblized, unsigned char *skew)
void floppy_NybblizeImage(const unsigned char *image, unsigned char *nybblized, unsigned char *skew)
{
// Format of a sector is header (23) + nybbles (343) + footer (30) = 396
// (short by 20 bytes of 416 [413 if 48 byte header is one time only])
@ -320,7 +320,7 @@ void floppy_NybblizeImage(unsigned char *image, unsigned char *nybblized, unsign
p[10] = ((trk ^ sector ^ 0xFE) & 0x55) | 0xAA;
p += 21;
unsigned char * bytes = image;
const unsigned char * bytes = image;
bytes += (skew[sector] * 256) + (trk * 256 * 16);
@ -362,7 +362,7 @@ void floppy_NybblizeImage(unsigned char *image, unsigned char *nybblized, unsign
}
}
// XXX readonly at this time
struct DISKIIboard : board_base
{
const unsigned int CA0 = 0xC0E0; // stepper phase 0 / control line 0
@ -1249,16 +1249,20 @@ struct MAINboard : board_base
if(addr == sw->set_address) {
if(!sw->implemented) { printf("%s ; set is unimplemented\n", sw->name.c_str()); fflush(stdout); exit(0); }
data = 0xff;
sw->enabled = true;
if(debug & DEBUG_SWITCH) printf("Set %s\n", sw->name.c_str());
post_soft_switch_mode_change();
if(!sw->enabled) {
sw->enabled = true;
if(debug & DEBUG_SWITCH) printf("Set %s\n", sw->name.c_str());
post_soft_switch_mode_change();
}
return true;
} else if(addr == sw->clear_address) {
// if(!sw->implemented) { printf("%s ; unimplemented\n", sw->name.c_str()); fflush(stdout); exit(0); }
data = 0xff;
sw->enabled = false;
if(debug & DEBUG_SWITCH) printf("Clear %s\n", sw->name.c_str());
post_soft_switch_mode_change();
if(sw->enabled) {
sw->enabled = false;
if(debug & DEBUG_SWITCH) printf("Clear %s\n", sw->name.c_str());
post_soft_switch_mode_change();
}
return true;
}
}