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Implemented the last few unimplemented MSCP commands; as yet untested with real PDP-11/VAX code (have yet to find a case that uses them.)

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General code cleanup/refactoring.  Added header comments.

Added "use image size" parameter for MSCP disks -- block count derived from image file size rather than DEC drive geometry; allows for arbitrarily large disks (up to 2TB, theoretically.)
This commit is contained in:
Josh Dersch
2019-05-08 05:34:40 +02:00
parent a00f0592dc
commit c6958e1660
7 changed files with 430 additions and 154 deletions
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6
10.01_base/2_src/arm/storagedrive.cpp
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@@ -145,6 +145,12 @@ void storagedrive_c::file_write(uint8_t *buffer, uint64_t position, unsigned len
f.flush();
}
uint64_t storagedrive_c::file_size(void)
{
f.seekp(0, ios::end);
return f.tellp();
}
void storagedrive_c::file_close(void) {
assert(file_is_open());
f.close();

1
10.01_base/2_src/arm/storagedrive.hpp
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@@ -67,6 +67,7 @@ public:
bool file_is_open(void);
void file_read(uint8_t *buffer, uint64_t position, unsigned len);
void file_write(uint8_t *buffer, uint64_t position, unsigned len);
uint64_t file_size(void);
void file_close(void);
storagedrive_c(storagecontroller_c *controller);