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Version 2019-06: many changes

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PRU1 code split into multiple images
1. test functions
2. UNIBUS operation

PRU1 bus latch interface
Write byte/bits access not with MACROS (random optimizer influence),
now with *_helper() procedures. Same timing, more determinism, much code saving.
Nono more  ASM code to write PRU0 XFER area.

demo: menu to test UNIBUS signals directly

rework "Arbitration" logic: now 3-fold
Rework of UNIBUs arbtiration: NONE/CLIENT/MASTER
- no Arbitrator (SACK penidng for 11/34 Konsole) (NONE)
- phyiscal PDP_11 CPU is Arbitrator (CLIENT)
- UniBone implements Arbitrator (MASTER)
- Same PRU code loop handles all arbitration types

PRU buslatch timing slower, for some problematic PCBs

 More aggressive bus latch  selftest
 (mixed patterns, running on PRU now)

Refinement of ready-to-run scripts
- Adapted to changed "demo" menu
- new name scheme
<OS>_<boot- drive>_<PDP-11CPU>
indicates
- which OS is run
- which disk emulation is used and what is the boot device
- what is the (minimum) PDP-11 to run that

Merged in Joshs DMA timing for 11/84
UNIBUS master cycles waits 350 us before MSYN, instead 150.

Merged in Joshs DMA request queue
multiple devices canrequest INTR and DMAs concurrently, will be put on the bus sequentially

Merged in Joshs MSCP driver
- Build RT-11v5.5 for MSCP
- added boot loader "du.lst"

MSCP run scrips
2.11BSD on MSCP on PDP-11/44
RT11 on MSCP

Fix: image file sizing
Disk image file exptend automatically if block beyond current file end is written
This commit is contained in:
Joerg Hoppe
2019-06-14 16:31:01 +02:00
parent 81012ce54c
commit db0167afe1
183 changed files with 7189 additions and 105106 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
10.01_base/2_src/arm/memoryimage.cpp
View File

@@ -45,7 +45,6 @@
#include <assert.h>
#include "logger.hpp"
#include "main.h" // own
#include "memoryimage.hpp" // own
// single multi purpose memory image buffer
@@ -130,12 +129,10 @@ void memoryimage_c::put_byte(unsigned addr, unsigned b) {
*/
bool memoryimage_c::load_binary(const char *fname) {
FILE *fin;
char linebuff[1024];
unsigned wordidx, n;
fin = fopen(fname, "rb");
if (!fin) {
sprintf(linebuff, "Error opening file %s for read", fname);
perror(linebuff);
printf("%s\n",fileErrorText("Error opening file %s for read", fname));
return false;
}
// try to read max address range, shorter files are OK
@@ -148,13 +145,11 @@ bool memoryimage_c::load_binary(const char *fname) {
void memoryimage_c::save_binary(const char *fname, unsigned bytecount) {
FILE *fout;
char linebuff[1024];
unsigned wordcount = (bytecount + 1) / 2;
unsigned n;
fout = fopen(fname, "wb");
if (!fout) {
sprintf(linebuff, "Error opening file %s for write", fname);
perror(linebuff);
printf("%s\n",fileErrorText("Error opening file %s for write", fname));
return;
}
// try to read max address range, shorter files are OK
@@ -209,8 +204,7 @@ bool memoryimage_c::load_addr_value_text(const char *fname) {
fin = fopen(fname, "r");
if (!fin) {
sprintf(linebuff, "Error opening file %s", fname);
perror(linebuff);
printf("%s\n", fileErrorText("Error opening file %s for write", fname)) ;
return false;
}
entry_address = MEMORY_ADDRESS_INVALID; // not known
@@ -446,8 +440,7 @@ bool memoryimage_c::load_macro11_listing(const char *fname, const char *entrylab
fin = fopen(fname, "r");
if (!fin) {
sprintf(linebuff, "Error opening file %s", fname);
perror(linebuff);
printf("%s\n", fileErrorText("Error opening file %s", fname));
return false;
}
entry_address = MEMORY_ADDRESS_INVALID; // not (yet) known
@@ -538,9 +531,7 @@ bool memoryimage_c::load_papertape(const char *fname) {
fin = fopen(fname, "r");
if (!fin) {
char buff[1024];
sprintf(buff, "Error opening file %s", fname);
perror(buff);
printf("%s\n", fileErrorText("Error opening file %s for read", fname));
return false;
}