This is the SAYTRACE report today. I think it's working correctly. After the intro lines, the report shows:
C3= changed data from the 3rd CHANGE= field. Both offset and memory location are shown.
TESTBRK 02 01 - program label, 02 total # times SAY called, and 01 number of times from this label
R9 and RE contents of those 2 registers
F1=/F2= data at the locations requested by FIELD=(loc,len,loc,len)
GETMAIN = 0002000 BYTES
003 CHANGE= AREAS SETUP
TESTLOOP 01 01 R9=F4F4F4F4 RE=800FFA92 F1=D507A008A0104780C3FA58DD F2=95FFA03007895820
C3=NEW 02C3 7D
OLD 0FF2C3 71
C3=NEW 02E0 E3
OLD 0FF2E0 00
TESTBRK 02 01 R9=F4F4F4F4 RE=800FFAA2 F1=D507A008A0104780C3FA58DD F2=95FFA03007895820
C3=NEW 02C3 89
OLD 0FF2C3 7D
C3=NEW 02E0 E3
OLD 0FF2E0 00
0AB2 03 01 R9=F4F4F4F4 RE=800FFAB2 F1=D507A008A0104780C3FA58DD F2=95FFA03007895820
TESTLOOP 04 02 R9=F4F4F4F4 RE=800FFA92 F1=D507A008A0104780C3FA58DD F2=95FFA03007895820
TESTBRK 05 02 R9=F4F4F4F4 RE=800FFAA2 F1=D507A008A0104780C3FA58DD F2=95FFA03007895820
0AB2 06 02 R9=F4F4F4F4 RE=800FFAB2 F1=D507A008A0104780C3FA58DD F2=95FFA03007895820
TESTLOOP 07 03 R9=F4F4F4F4 RE=800FFA92 F1=D507A008A0104780C3FA58DD F2=95FFA03007895820
TESTBRK 08 03 R9=F4F4F4F4 RE=800FFAA2 F1=D507A008A0104780C3FA58DD F2=95FFA03007895820
0AB2 09 03 R9=F4F4F4F4 RE=800FFAB2 F1=D507A008A0104780C3FA58DD F2=95FFA03007895820
TESTLOOP 010 004 R9=F4F4F4F4 RE=800FFA92 F1=D507A008A0104780C3FA58DD F2=95FFA03007895820
TESTBRK 011 004 R9=F4F4F4F4 RE=800FFAA2 F1=D507A008A0104780C3FA58DD F2=95FFA03007895820
0AB2 012 004 R9=F4F4F4F4 RE=800FFAB2 F1=D507A008A0104780C3FA58DD F2=95FFA03007895820
Yes, it's truncated, but it's just more of the same.