diff --git a/Programs/CosmOS/Apps/More.asm b/Programs/CosmOS/Apps/More.asm
index e3f6301..a57c572 100644
--- a/Programs/CosmOS/Apps/More.asm
+++ b/Programs/CosmOS/Apps/More.asm
@@ -1,7 +1,8 @@
 ; Read a text file one screen at a time.
 ;
-; Twenty two lines are shown before a prompt. Space advances another screen, Return one
-; line, and q gives the machine back to CosmOS. This is forward-only on purpose: the file
+; A screenful of lines is shown before a prompt - as many as the screen has, asked for rather
+; than assumed, so that the eighty column mode is not read three fifths empty. Space advances
+; another screen, Return one line, and q gives the machine back to CosmOS. This is forward-only on purpose: the file
 ; stream holds one block and never asks the whole document to fit in memory.
 ;
 ; Written by ChatGPT for Anachronaut's SplitBit
@@ -100,11 +101,38 @@ pauseQuit:
   INIB 0x01
   OR
   RET
+; ---- As many lines as the screen has, less the prompt ----
+;
+; Twenty two was written when there was one screen size. It is still right on the forty
+; column screen and wastes half of the eighty column one, so this ASKS: the rows register
+; says how tall the screen is, and it is readable for exactly this sort of reason.
+;
+; Rows minus three is twenty two on a twenty five row screen, so nothing changed underneath
+; anyone who was already reading files this way - it fills a bigger screen and leaves a
+; smaller one alone.
+;
+; A BITMAP SCREEN HAS NO ROWS AT ALL and says so with a nought, which would come out as 253
+; lines through an eight bit subtraction. Anything under five falls back, because a page of
+; two lines is not a page and a program should not be the thing that discovers this.
 fullPage:
+  INA 0x33
   SETD.3 LinesLeft
-  INIA 0d22
+  STA.3                     ; Kept, because the sums below want A for themselves.
+  INIB 0d5
+  CCF
+  SUB
+  BRC fullPageFallback      ; Borrowed, so there are fewer than five rows.
+  LDA.3
+  INIB 0d3
+  CCF
+  SUB
+  MVQA
   STA.3
   RET
+fullPageFallback:
+  INIA 0d22
+  STA.3                     ; DP3 is still LinesLeft, from above.
+  RET
 
 noName:
   SETD.0 Usage
diff --git a/Programs/CosmOS/README.md b/Programs/CosmOS/README.md
index 2e21b3b..24a2871 100644
--- a/Programs/CosmOS/README.md
+++ b/Programs/CosmOS/README.md
@@ -735,7 +735,7 @@ from every assembly file in it. Several are old programs written for the bare ma
 | Copy | Copies one path to another a block at a time, including an empty file or one larger than Data Memory. |
 | Compare | Compares two files a block at a time, stopping at their real tails rather than comparing unused bytes in the final disk blocks. |
 | Wander | Goes to the directory it is given and reads a file there by a bare name. The only thing that moves the machine from inside a program, and so the only thing that can check the shell puts the working directory back afterwards. |
-| More | A forward-only pager. Space advances a screen, Return one line, and q stops. |
+| More | A forward-only pager. Space advances a screen, Return one line, and q stops. A screen is as many lines as the screen has, asked of the rows register rather than assumed - 22 on the forty column mode and 47 on the eighty. |
 | Press | Says what the console handed it, in hexadecimal and by name. It reads a line and then keys, because the keys that are not characters are dropped in line mode and delivered in key mode, and both halves of that rule want showing. |
 | Crash | Breaks on purpose, in whichever of the four ways the system now catches, so that a fault screen can be looked at without having written a bug first. |
 | Mode | Forty columns or eighty, whichever the screen is not in. Ten instructions and no data at all, which is the point of it: it is the smallest shape a loadable program can take, and the loader used to stop the machine dead on one. |
diff --git a/SplitBit Test Manual.md b/SplitBit Test Manual.md
index ab56170..1b08b6e 100644
--- a/SplitBit Test Manual.md	
+++ b/SplitBit Test Manual.md	
@@ -101,7 +101,7 @@ from `make`, not from here.
 ### 1. Recorded output
 
 `Tests/run.sh` assembles each program named in `Tests/manifest`, runs it, and compares
-everything it printed against a file in `Tests/expected`. 205 tests, of which 143 run, 35
+everything it printed against a file in `Tests/expected`. 206 tests, of which 144 run, 35
 only assemble, 16 are expected to fail to assemble, and 11 boot from ROM with no image
 given at all.
 
diff --git a/Tests/expected/cosmosMore.out b/Tests/expected/cosmosMore.out
index 8fdd2e8..f88c7fc 100644
--- a/Tests/expected/cosmosMore.out
+++ b/Tests/expected/cosmosMore.out
@@ -24,32 +24,6 @@ line 16: ABCDEFGHIJKLMNOPQRSTUVWXYZ
 line 17: ABCDEFGHIJKLMNOPQRSTUVWXYZ
 line 18: ABCDEFGHIJKLMNOPQRSTUVWXYZ
 line 19: ABCDEFGHIJKLMNOPQRSTUVWXYZ
--- more --
-finished
-> run readable.txt
-first line
-second line
-line 00: ABCDEFGHIJKLMNOPQRSTUVWXYZ
-line 01: ABCDEFGHIJKLMNOPQRSTUVWXYZ
-line 02: ABCDEFGHIJKLMNOPQRSTUVWXYZ
-line 03: ABCDEFGHIJKLMNOPQRSTUVWXYZ
-line 04: ABCDEFGHIJKLMNOPQRSTUVWXYZ
-line 05: ABCDEFGHIJKLMNOPQRSTUVWXYZ
-line 06: ABCDEFGHIJKLMNOPQRSTUVWXYZ
-line 07: ABCDEFGHIJKLMNOPQRSTUVWXYZ
-line 08: ABCDEFGHIJKLMNOPQRSTUVWXYZ
-line 09: ABCDEFGHIJKLMNOPQRSTUVWXYZ
-line 10: ABCDEFGHIJKLMNOPQRSTUVWXYZ
-line 11: ABCDEFGHIJKLMNOPQRSTUVWXYZ
-line 12: ABCDEFGHIJKLMNOPQRSTUVWXYZ
-line 13: ABCDEFGHIJKLMNOPQRSTUVWXYZ
-line 14: ABCDEFGHIJKLMNOPQRSTUVWXYZ
-line 15: ABCDEFGHIJKLMNOPQRSTUVWXYZ
-line 16: ABCDEFGHIJKLMNOPQRSTUVWXYZ
-line 17: ABCDEFGHIJKLMNOPQRSTUVWXYZ
-line 18: ABCDEFGHIJKLMNOPQRSTUVWXYZ
-line 19: ABCDEFGHIJKLMNOPQRSTUVWXYZ
--- more --
 line 20: ABCDEFGHIJKLMNOPQRSTUVWXYZ
 line 21: ABCDEFGHIJKLMNOPQRSTUVWXYZ
 line 22: ABCDEFGHIJKLMNOPQRSTUVWXYZ
@@ -60,6 +34,22 @@ line 26: ABCDEFGHIJKLMNOPQRSTUVWXYZ
 line 27: ABCDEFGHIJKLMNOPQRSTUVWXYZ
 line 28: ABCDEFGHIJKLMNOPQRSTUVWXYZ
 line 29: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 30: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 31: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 32: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 33: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 34: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 35: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 36: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 37: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 38: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 39: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 40: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 41: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 42: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 43: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 44: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+-- more --
 finished
 > run readable.txt
 first line
@@ -84,8 +74,98 @@ line 16: ABCDEFGHIJKLMNOPQRSTUVWXYZ
 line 17: ABCDEFGHIJKLMNOPQRSTUVWXYZ
 line 18: ABCDEFGHIJKLMNOPQRSTUVWXYZ
 line 19: ABCDEFGHIJKLMNOPQRSTUVWXYZ
--- more --
 line 20: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 21: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 22: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 23: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 24: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 25: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 26: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 27: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 28: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 29: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 30: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 31: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 32: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 33: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 34: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 35: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 36: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 37: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 38: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 39: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 40: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 41: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 42: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 43: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 44: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+-- more --
+line 45: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 46: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 47: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 48: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 49: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 50: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 51: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 52: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 53: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 54: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 55: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 56: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 57: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 58: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 59: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+finished
+> run readable.txt
+first line
+second line
+line 00: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 01: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 02: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 03: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 04: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 05: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 06: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 07: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 08: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 09: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 10: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 11: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 12: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 13: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 14: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 15: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 16: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 17: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 18: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 19: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 20: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 21: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 22: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 23: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 24: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 25: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 26: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 27: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 28: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 29: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 30: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 31: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 32: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 33: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 34: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 35: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 36: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 37: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 38: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 39: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 40: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 41: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 42: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 43: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 44: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+-- more --
+line 45: ABCDEFGHIJKLMNOPQRSTUVWXYZ
 -- more --
 finished
 > exit
diff --git a/Tests/expected/cosmosMoreNarrow.out b/Tests/expected/cosmosMoreNarrow.out
new file mode 100644
index 0000000..e45d8de
--- /dev/null
+++ b/Tests/expected/cosmosMoreNarrow.out
@@ -0,0 +1,37 @@
+CosmOS
+> load Mode.sbx
+loaded, starting at 5000
+> run
+40
+finished
+> load More.sbx
+loaded, starting at 5000
+> run readable.txt
+first line
+second line
+line 00: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 01: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 02: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 03: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 04: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 05: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 06: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 07: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 08: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 09: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 10: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 11: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 12: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 13: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 14: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 15: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 16: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 17: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 18: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 19: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+-- more --
+finished
+> exit
+halted
+Execution halted.
+[exit 0]
diff --git a/Tests/expected/cosmosType.out b/Tests/expected/cosmosType.out
index d63f2d1..ae25d41 100644
--- a/Tests/expected/cosmosType.out
+++ b/Tests/expected/cosmosType.out
@@ -34,6 +34,36 @@ line 26: ABCDEFGHIJKLMNOPQRSTUVWXYZ
 line 27: ABCDEFGHIJKLMNOPQRSTUVWXYZ
 line 28: ABCDEFGHIJKLMNOPQRSTUVWXYZ
 line 29: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 30: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 31: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 32: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 33: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 34: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 35: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 36: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 37: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 38: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 39: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 40: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 41: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 42: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 43: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 44: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 45: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 46: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 47: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 48: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 49: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 50: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 51: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 52: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 53: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 54: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 55: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 56: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 57: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 58: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+line 59: ABCDEFGHIJKLMNOPQRSTUVWXYZ
 finished
 > run empty.txt
 finished
diff --git a/Tests/input/cosmosMoreNarrow.in b/Tests/input/cosmosMoreNarrow.in
new file mode 100644
index 0000000..5a54cfc
--- /dev/null
+++ b/Tests/input/cosmosMoreNarrow.in
@@ -0,0 +1,5 @@
+load Mode.sbx
+run
+load More.sbx
+run readable.txt
+qexit
diff --git a/Tests/makedisks.sh b/Tests/makedisks.sh
index 751f0d1..c8d35fe 100755
--- a/Tests/makedisks.sh
+++ b/Tests/makedisks.sh
@@ -344,8 +344,12 @@ awk 'BEGIN { for (i = 0; i < 50; i++) printf "small %05d\n", i }' > small.txt
 # for the application to mistake for an end marker. The second proves that zero blocks is
 # a valid empty file rather than an error.
 "$TOOL" format "$DISKS/type.img" 64 2 >/dev/null
+# SIXTY LINES, and the number matters. More shows a screenful less the prompt, which is 22
+# rows on the forty column screen and 47 on the eighty column one - so a file of 32 lines
+# stopped being a test of paging the day More learned to ask how tall the screen was. It fits
+# in one page now. Sixty does not fit in either.
 printf 'first line\nsecond line\n' > readable.txt
-awk 'BEGIN { for (i = 0; i < 30; i++) printf "line %02d: ABCDEFGHIJKLMNOPQRSTUVWXYZ\n", i }' >> readable.txt
+awk 'BEGIN { for (i = 0; i < 60; i++) printf "line %02d: ABCDEFGHIJKLMNOPQRSTUVWXYZ\n", i }' >> readable.txt
 : > empty.txt
 "$TOOL" put "$DISKS/type.img" readable.txt >/dev/null
 "$TOOL" put "$DISKS/type.img" empty.txt >/dev/null
@@ -355,6 +359,11 @@ awk 'BEGIN { for (i = 0; i < 30; i++) printf "line %02d: ABCDEFGHIJKLMNOPQRSTUVW
 "$ROOT/Assembler" -I "$ROOT/Programs/CosmOS/Source" \
     "$ROOT/Programs/CosmOS/Apps/More.asm" -o "$WORK/More.sbx" >/dev/null
 "$TOOL" put "$DISKS/type.img" "$WORK/More.sbx" >/dev/null
+# And Mode, so that the same file can be paged on both screens without a second disk. It is
+# the only way to reach the forty column screen from inside a test.
+"$ROOT/Assembler" -I "$ROOT/Programs/CosmOS/Source" \
+    "$ROOT/Programs/CosmOS/Apps/Mode.asm" -o "$WORK/Mode.sbx" >/dev/null
+"$TOOL" put "$DISKS/type.img" "$WORK/Mode.sbx" >/dev/null
 
 # A disk for Copy and Compare. The files mark all three shapes a streamed tool has to
 # distinguish: no blocks, an exact whole block, and a part block. The large pair says the
diff --git a/Tests/manifest b/Tests/manifest
index 27676d3..5b0844a 100644
--- a/Tests/manifest
+++ b/Tests/manifest
@@ -522,6 +522,16 @@ cosmosType           | CosmOS/Source/cosmos.asm           | run      | cosmosTyp
 # with Space, and one line with Return. The input is intentionally packed so that the one
 # byte the pager consumes leaves the next shell command immediately behind it.
 cosmosMore           | CosmOS/Source/cosmos.asm           | run      | cosmosMore.in      | -     | disks/type.img
+# ---- The same file, on the other screen ----
+#
+# More shows a screenful less the prompt and asks the rows register how big that is, so the
+# page is 47 lines on the eighty column screen and 22 on the forty column one. Mode is run
+# first to get there, and it is the only way a test can: nothing else changes the screen.
+#
+# What this catches is a page size that went back to being a constant. The recording above
+# and the recording here are the same file paged two different ways, and a More that had
+# stopped asking would make them the same length.
+cosmosMoreNarrow     | CosmOS/Source/cosmos.asm           | run      | cosmosMoreNarrow.in | -    | disks/type.img
 # Copy and Compare exercise both halves of block streaming together. Empty, exact-block,
 # part-block and 84,000-byte files are copied through one buffer; Compare checks the copies
 # and a same-sized file whose only difference is deep into the input.