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Reorganize

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This commit is contained in:
Peter Evans 2017-12-26 16:42:04 -06:00
parent 5fbd921d83
commit a86fc8e80e
2 changed files with 66 additions and 66 deletions
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16
include/apple2.dd.h
View File

@ -102,16 +102,16 @@ typedef struct {
} apple2dd;
extern apple2dd *apple2dd_create();
extern void apple2dd_free(apple2dd *);
extern void apple2dd_step(apple2dd *, int);
extern void apple2dd_set_mode(apple2dd *, int);
extern void apple2dd_turn_on(apple2dd *, bool);
extern void apple2dd_write_protect(apple2dd *, bool);
extern int apple2dd_position(apple2dd *);
extern void apple2dd_eject(apple2dd *);
extern int apple2dd_insert(apple2dd *, FILE *);
extern void apple2dd_shift(apple2dd *, int);
extern int apple2dd_position(apple2dd *);
extern vm_8bit apple2dd_read(apple2dd *);
extern void apple2dd_eject(apple2dd *);
extern void apple2dd_free(apple2dd *);
extern void apple2dd_set_mode(apple2dd *, int);
extern void apple2dd_shift(apple2dd *, int);
extern void apple2dd_step(apple2dd *, int);
extern void apple2dd_turn_on(apple2dd *, bool);
extern void apple2dd_write(apple2dd *, vm_8bit);
extern void apple2dd_write_protect(apple2dd *, bool);
#endif

116
src/apple2.dd.c
View File

@ -29,16 +29,6 @@ apple2dd_create()
return drive;
}
void
apple2dd_free(apple2dd *drive)
{
if (drive->data) {
vm_segment_free(drive->data);
}
free(drive);
}
int
apple2dd_insert(apple2dd *drive, FILE *stream)
{
@ -70,49 +60,6 @@ apple2dd_insert(apple2dd *drive, FILE *stream)
return OK;
}
void
apple2dd_eject(apple2dd *drive)
{
if (drive->data) {
vm_segment_free(drive->data);
drive->data = NULL;
}
}
void
apple2dd_step(apple2dd *drive, int steps)
{
drive->track_pos += steps;
if (drive->track_pos > MAX_DRIVE_STEPS) {
drive->track_pos = MAX_DRIVE_STEPS;
} else if (drive->track_pos < 0) {
drive->track_pos = 0;
}
}
void
apple2dd_set_mode(apple2dd *drive, int mode)
{
if (mode != DD_READ && mode != DD_WRITE) {
return;
}
drive->mode = mode;
}
void
apple2dd_turn_on(apple2dd *drive, bool online)
{
drive->online = online;
}
void
apple2dd_write_protect(apple2dd *drive, bool protect)
{
drive->write_protect = protect;
}
int
apple2dd_position(apple2dd *drive)
{
@ -135,6 +82,44 @@ apple2dd_position(apple2dd *drive)
return 0;
}
vm_8bit
apple2dd_read(apple2dd *drive)
{
vm_8bit byte = vm_segment_get(drive->data, apple2dd_position(drive));
apple2dd_shift(drive, 1);
return byte;
}
void
apple2dd_eject(apple2dd *drive)
{
if (drive->data) {
vm_segment_free(drive->data);
drive->data = NULL;
}
}
void
apple2dd_free(apple2dd *drive)
{
if (drive->data) {
vm_segment_free(drive->data);
}
free(drive);
}
void
apple2dd_set_mode(apple2dd *drive, int mode)
{
if (mode != DD_READ && mode != DD_WRITE) {
return;
}
drive->mode = mode;
}
void
apple2dd_shift(apple2dd *drive, int pos)
{
@ -150,13 +135,22 @@ apple2dd_shift(apple2dd *drive, int pos)
}
}
vm_8bit
apple2dd_read(apple2dd *drive)
void
apple2dd_step(apple2dd *drive, int steps)
{
vm_8bit byte = vm_segment_get(drive->data, apple2dd_position(drive));
apple2dd_shift(drive, 1);
drive->track_pos += steps;
return byte;
if (drive->track_pos > MAX_DRIVE_STEPS) {
drive->track_pos = MAX_DRIVE_STEPS;
} else if (drive->track_pos < 0) {
drive->track_pos = 0;
}
}
void
apple2dd_turn_on(apple2dd *drive, bool online)
{
drive->online = online;
}
void
@ -165,3 +159,9 @@ apple2dd_write(apple2dd *drive, vm_8bit byte)
vm_segment_set(drive->data, apple2dd_position(drive), byte);
apple2dd_shift(drive, 1);
}
void
apple2dd_write_protect(apple2dd *drive, bool protect)
{
drive->write_protect = protect;
}