58 Commits

Author	SHA1	Message	Date
Warren Toomey	d3f6924a9c	I fixed a few typos in ds.s and I made a pretend llss instruction in a7out.	2016-03-03 19:46:34 +10:00
Warren Toomey	d33ce4c69f	Based on the details of the directory structure that Phil found, I've ... modified the a7out and the wktls.s program to reflect this.	2016-03-03 16:35:05 +10:00
Warren Toomey	72473c411b	I've written some code for the sys status syscall in a7out but I've not tested it yet.	2016-03-03 14:15:35 +10:00
Warren Toomey	9cc938bfe6	I've written a simple ls program that actually works :-)	2016-03-03 13:36:35 +10:00
Warren Toomey	553aa31967	Even thought we don't really know the directory structure yet, I've written ... code to allow a directory to be read. We can change it as required.	2016-03-03 13:13:52 +10:00
Warren Toomey	747d1f4466	Added the time system call as per the draft of the CACM paper.	2016-03-03 12:12:18 +10:00
Warren Toomey	0314dff3c6	Added getuid and setuid syscalls to a7out.	2016-03-03 11:09:55 +10:00
Warren Toomey	7b9d907902	Fixed the a7out smes/rmes bug, they work now.	2016-03-03 10:47:07 +10:00
Warren Toomey	97407ef507	I added smes and rmes system calls to a7out and wrote some code ... in src/other/fork_test.s to test it. It's not working quite right yet, we keep getting wait() returning -1 in a7out even though there is a child process.	2016-03-03 10:14:04 +10:00
Warren Toomey	6547aa98be	I've added fork() to a7out after adding some comments to src/cmd/init.s. ... There is a test program to demonstrate fork working.	2016-03-03 09:23:48 +10:00
Phil Budne	f06f075517	fix subtraction with relative values (relative-relative)=absolute!	2016-03-02 15:40:52 -05:00
Warren Toomey	9c79bbb15d	Oops, didn't initialise $mode properly.	2016-03-02 20:42:45 +10:00
Warren Toomey	dc2d2dd63b	Phil's change to as7 to implement RELATIVE flag. He says: ... seems to assemble cat.s and kernel reasonably... (famous last words) I've updated a7out to use the same starting location. It runs cat.s OK.	2016-03-02 20:38:00 +10:00
Warren Toomey	d1a6bf8a39	Hah, I worked out how to bring as7 back. Sorry Phil!	2016-03-02 18:41:39 +10:00
Warren Toomey	c073aee196	Added unlink and chdir syscalls to a7out	2016-03-02 18:31:25 +10:00
Warren Toomey	9fcffe7e43	Merge remote-tracking branch 'origin/master'	2016-03-02 18:00:56 +10:00
Warren Toomey	bcb2cb0f15	local changes.	2016-03-02 17:59:34 +10:00
Warren Toomey	a3d6090fe7	tools/as7: added syscalls chmod and chown, added auto-increment ... locations, fixed a bug in character input, added several EAE instructions. We now have cp.s, chmod.s and chown.s working.	2016-03-02 17:55:33 +10:00
Phil Budne	97b11c6e40	start with .=4096. This isn't what as.s does (and will break the kernel)	2016-03-01 20:36:13 -05:00
Phil Budne	1bb80f01ec	add --output, --namelist, rim output format, always set 0200 on ptp/rim output	2016-03-01 19:31:01 -05:00
Warren Toomey	5bda1307c9	Moved my non-scanned programs into src/other.	2016-03-02 06:30:25 +10:00
Warren Toomey	02eeb59977	tools/a7out: Added the creat() system call.	2016-03-02 06:14:12 +10:00
Phil Budne	ff4d793ca5	another round of (hopeful) improvements ... add indirect bit to "sys" definition set initial ".." (output base) to 4096 (not yet honored) add "ptr" output format (binary in paper tape reader format: 3 frames of 6 bits) remove IOT instrictions (system source uses sop.s) always write labels to "n.out" add debug output fix multiply defined error handling (process symbolic labels on both passes)	2016-03-01 11:22:53 -05:00
Phil Budne	66909ac6fd	fix bugs noted by warren	2016-03-01 11:22:29 -05:00
Warren Toomey	a2e8a187b2	tools/a7out: I took out the code to pretend to deal with binary files, ... and I did a perltidy to reformat the code.	2016-03-01 18:28:37 +10:00
Warren Toomey	145725ba4c	Warren's version of a cp command.	2016-03-01 16:57:40 +10:00
Warren Toomey	73c066ae9d	I've restructured the opr code and the add code using the SimH logic ... and I fixed up some bugs with the new command interpreter. I'm getting so close to cat.s working!	2016-03-01 16:55:03 +10:00
Phil Budne	aeceb8614a	move whitespace removal back in word loop	2016-03-01 01:43:24 -05:00
Phil Budne	249ce47e44	OR syllables by default (allows multiple OPR instructions)	2016-02-29 14:24:37 -05:00
Warren Toomey	220f87efed	Rewording of the a7out help text.	2016-02-29 17:10:25 +10:00
Warren Toomey	714de5a7e1	I've added a single-step mode to tools/a7out and rationalised the debug output. ... Some small changes to src/cmd/cat.s and wktcat.s to reflect the correct number of arguments to open. Typos fixes to src/cmd/cat.s.	2016-02-29 16:47:13 +10:00
Phil Budne	9e148edefc	changes in expression parsing	2016-02-28 16:29:01 -05:00
Warren Toomey	ed80a93a08	tools/a7out: I added another 7 instructions, but I haven't tested them yet.	2016-02-27 21:55:12 +10:00
Warren Toomey	ea7cd8da28	tools/a7out: Added the jms instruction.	2016-02-27 15:55:40 +10:00
Warren Toomey	ea11773db7	tools/a7out: Add the law instruction and change some numeric literals to ... named constants.	2016-02-27 15:24:01 +10:00
Warren Toomey	4ee2619b8c	I refactored tools/wktcat.s to lose the repeated code, and I also ... improved the comments in the code. I'm happy with it, now.	2016-02-27 11:12:16 +10:00
Warren Toomey	fafeae7470	I've rewritten tools/a7out to have the correct PDP-7 Unix command ... line memory storage convention, and I've rewritten tools/wktcat.s to deal with this. I've imported some code from the real cat.s and now wktcat.s actually works as per the real cat.s.	2016-02-27 10:49:43 +10:00
Warren Toomey	d2511c36c0	I'm trying to bring my wktcat.s file into line with the real one. ... I've refactored tools/a7out to have a dprintf() function to printf only on debugging. I still need to rewrite the command-line arg storage structure.	2016-02-27 08:05:52 +10:00
Warren Toomey	d6d4c9b814	According to cat.s, fd 8 is standard error (not fd2!). I've updated ... the a7out simulator to have STDERR on fd 8.	2016-02-26 22:37:03 +10:00
Warren Toomey	9c8dbdea37	tools/a7out: I refactored the indirect logic, much nicer now.	2016-02-26 21:57:10 +10:00
Warren Toomey	a132327a8b	a7out: I had the spa logic wrong. Now fixed.	2016-02-26 21:45:55 +10:00
Warren Toomey	6534bd6d43	I renamed simplecat.s to wktcat.s	2016-02-26 21:28:22 +10:00
Warren Toomey	536de9ea56	I worked out the bug with the command-line arguments, I was overwriting ... 017777, oops. I've added more comments to wktcat.s (renamed from simplecat.s). Now we need to find out how the real PDP-7 Unix does command line arguments.	2016-02-26 21:26:44 +10:00
Warren Toomey	8f8cc64d10	I've added tad and sza to the a7out simulator, and I also added some ... code to place command-line arguments into the simulated memory. I'm trying to write my own version of cat so I can compare mine to the real one. Right now there's a bug when simplecat has two arguments. Zero and one arguments are OK! Saving so I have a backup before proceeding.	2016-02-26 20:56:31 +10:00
Warren Toomey	b8550475b0	I've got a very simple cat program working, which reads from stdin and ... sends it to stdout.	2016-02-26 18:43:20 +10:00
Phil Budne	815d8bc220	comment out debug prints	2016-02-25 21:03:39 -05:00
Phil Budne	2cca3d4473	finish s1.s; tried to clean up s5-s8; let as7 continue after error	2016-02-25 20:58:17 -05:00
Warren Toomey	c84b2dffdd	I've changed the assembler so that it groks the <ab> string literal ... syntax. I think it's OK, but it probably needs more testing. write_test.s was changed to exercise the string parsing.	2016-02-26 07:35:36 +10:00
Warren Toomey	018af6f43e	Ken Thompson sent e-mail in to explain that there can be labels mid-line, such as ... sys write; 1:0; 4 so I modified the assembler logic to support this, and added some code to write_test.s to verify that it works.	2016-02-26 06:52:43 +10:00
Warren Toomey	f9b8c8eeb2	Changed as7 to allow sys open statements, rewrite write_test.s to ... use this syntax, and fixed up a bug in sys_open in a7out.	2016-02-26 06:19:27 +10:00