Research V5 development

Work on file usr/source/s3/fpx.s

Co-Authored-By: Dennis Ritchie <dmr@research.uucp>
Synthesized-from: v5

diff --git a/usr/source/s3/fpx.s b/usr/source/s3/fpx.s
new file mode 100644 (file)
index 0000000..eaa1de2
--- /dev/null
+++ b/usr/source/s3/fpx.s
@@ -0,0 +1,34 @@
+/ fpx -- floating point simulation
+
+.data
+reenter: 1
+
+.bss
+asign: .=.+2
+areg:  .=.+8
+aexp:  .=.+2
+bsign: .=.+2
+breg:  .=.+8
+bexp:  .=.+2
+
+fpsr:  .=.+2
+trapins: .=.+2
+
+ac0:   .=.+8.
+ac1:   .=.+8.
+ac2:   .=.+8.
+ac3:   .=.+8.
+ac4:   .=.+8.
+ac5:   .=.+8.
+
+sr0:   .=.+2
+sr1:   .=.+2
+       .=.+2
+       .=.+2
+       .=.+2
+       .=.+2
+ssp:   .=.+2
+spc:   .=.+2
+sps:   .=.+2
+pctmp: .=.+8
+