5897 - rename comparison instructions

Signed and unsigned don't quite capture the essence of what the different
combinations of x86 flags are doing for SubX. The crucial distinction is
that one set of comparison operators is for integers and the second is
for addresses.

1 files changed, 22 insertions, 22 deletions

diff --git a/apps/hex.subx b/apps/hex.subx
index 4dd725e8..21fd1939 100644
--- a/apps/hex.subx
+++ b/apps/hex.subx
@@ -34,7 +34,7 @@ Entry:  # run tests if necessary, convert stdin if not
     # - if argc > 1 and argv[1] == "test", then return run_tests()
     # if (argc <= 1) goto interactive
     81          7/subop/compare     1/mod/*+disp8   5/rm32/ebp    .           .             .           .           0/disp8         1/imm32           # compare *ebp
-    7e/jump-if-lesser-or-equal  $subx-hex-main:interactive/disp8
+    7e/jump-if-<=  $subx-hex-main:interactive/disp8
     # if (!kernel-string-equal?(argv[1], "test")) goto interactive
     # . eax = kernel-string-equal?(argv[1], "test")
     # . . push args
@@ -46,7 +46,7 @@ Entry:  # run tests if necessary, convert stdin if not
     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
     # . if (eax == false) goto interactive
     3d/compare-eax-and  0/imm32/false
-    74/jump-if-equal  $subx-hex-main:interactive/disp8
+    74/jump-if-=  $subx-hex-main:interactive/disp8
     # run-tests()
     e8/call  run-tests/disp32
     # syscall(exit, *Num-test-failures)
@@ -102,7 +102,7 @@ $subx-hex:loop:
     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               0xc/imm32         # add to esp
     # if (eax == Eof) break
     3d/compare-eax-and  0xffffffff/imm32/Eof
-    74/jump-if-equal  $subx-hex:loop-end/disp8
+    74/jump-if-=  $subx-hex:loop-end/disp8
     # write-byte-buffered(out, AL)
     # . . push args
     50/push-eax
@@ -162,7 +162,7 @@ convert-next-octet:  # in : (addr buffered-file), err : (addr buffered-file), ed
     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               0xc/imm32         # add to esp
     # if (eax == Eof) return
     3d/compare-eax-and  0xffffffff/imm32/Eof
-    74/jump-if-equal  $convert-next-octet:end/disp8
+    74/jump-if-=  $convert-next-octet:end/disp8
     # eax = from-hex-char(eax)
     e8/call from-hex-char/disp32
     # ecx = eax
@@ -178,7 +178,7 @@ convert-next-octet:  # in : (addr buffered-file), err : (addr buffered-file), ed
     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               0xc/imm32         # add to esp
     # if (eax == Eof) error(ed, err, "partial byte found.")
     3d/compare-eax-and  0xffffffff/imm32/Eof
-    75/jump-if-not-equal  $convert-next-octet:convert/disp8
+    75/jump-if-!=  $convert-next-octet:convert/disp8
     # . error-byte(ed, err, msg, '.')  # reusing error-byte to avoid creating _yet_ another helper
     # . . push args
     68/push  0x2e/imm32/period/dummy
@@ -284,7 +284,7 @@ test-convert-next-octet:
     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               0xc/imm32         # add to esp
     # return if abort
     81          7/subop/compare     1/mod/*+disp8   1/rm32/ecx    .           .             .           .           4/disp8         0/imm32           # compare *(ecx+4)
-    75/jump-if-not-equal  $test-convert-next-octet:end/disp8
+    75/jump-if-!=  $test-convert-next-octet:end/disp8
     # check-ints-equal(eax, 0xab, msg)
     # . . push args
     68/push  "F - test-convert-next-octet"/imm32
@@ -374,7 +374,7 @@ test-convert-next-octet-handles-Eof:
     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               0xc/imm32         # add to esp
     # return if abort
     81          7/subop/compare     1/mod/*+disp8   1/rm32/ecx    .           .             .           .           4/disp8         0/imm32           # compare *(ecx+4)
-    75/jump-if-not-equal  $test-convert-next-octet-handles-Eof:end/disp8
+    75/jump-if-!=  $test-convert-next-octet-handles-Eof:end/disp8
     # check-ints-equal(eax, Eof, msg)
     # . . push args
     68/push  "F - test-convert-next-octet-handles-Eof"/imm32
@@ -505,7 +505,7 @@ $scan-next-byte:loop:
     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               4/imm32           # add to esp
     # if (eax == Eof) return eax
     3d/compare-with-eax  0xffffffff/imm32/Eof
-    74/jump-if-equal  $scan-next-byte:end/disp8
+    74/jump-if-=  $scan-next-byte:end/disp8
     # if (is-hex-digit?(eax)) return eax
     # . save eax for now
     50/push-eax
@@ -521,21 +521,21 @@ $scan-next-byte:loop:
     # . restore eax (does not affect flags)
     58/pop-to-eax
     # . check whether to return
-    75/jump-if-not-equal  $scan-next-byte:end/disp8
+    75/jump-if-!=  $scan-next-byte:end/disp8
 $scan-next-byte:check1:
     # if (eax == ' ') continue
     3d/compare-eax-and  0x20/imm32/space
-    74/jump-if-equal  $scan-next-byte:loop/disp8
+    74/jump-if-=  $scan-next-byte:loop/disp8
     # if (eax == '\t') continue
     3d/compare-eax-and  9/imm32/tab
-    74/jump-if-equal  $scan-next-byte:loop/disp8
+    74/jump-if-=  $scan-next-byte:loop/disp8
     # if (eax == '\n') continue
     3d/compare-eax-and  0xa/imm32/newline
-    74/jump-if-equal  $scan-next-byte:loop/disp8
+    74/jump-if-=  $scan-next-byte:loop/disp8
 $scan-next-byte:check2:
     # if (eax == '#') skip-until-newline(in)
     3d/compare-with-eax  0x23/imm32
-    75/jump-if-not-equal  $scan-next-byte:check3/disp8
+    75/jump-if-!=  $scan-next-byte:check3/disp8
     # . skip-until-newline(in)
     # . . push args
     ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp    .           .             .           .           8/disp8         .                 # push *(ebp+8)
@@ -641,7 +641,7 @@ test-scan-next-byte:
     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               0xc/imm32         # add to esp
     # return if abort
     81          7/subop/compare     1/mod/*+disp8   1/rm32/ecx    .           .             .           .           4/disp8         0/imm32           # compare *(ecx+4)
-    75/jump-if-not-equal  $test-scan-next-byte:end/disp8
+    75/jump-if-!=  $test-scan-next-byte:end/disp8
     # check-ints-equal(eax, 0x61/a, msg)
     # . . push args
     68/push  "F - test-scan-next-byte"/imm32
@@ -739,7 +739,7 @@ test-scan-next-byte-skips-whitespace:
     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               0xc/imm32         # add to esp
     # return if abort
     81          7/subop/compare     1/mod/*+disp8   1/rm32/ecx    .           .             .           .           4/disp8         0/imm32           # compare *(ecx+4)
-    75/jump-if-not-equal  $test-scan-next-byte-skips-whitespace:end/disp8
+    75/jump-if-!=  $test-scan-next-byte-skips-whitespace:end/disp8
     # check-ints-equal(eax, 0x61/a, msg)
     # . . push args
     68/push  "F - test-scan-next-byte-skips-whitespace"/imm32
@@ -845,7 +845,7 @@ test-scan-next-byte-skips-comment:
     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               0xc/imm32         # add to esp
     # return if abort
     81          7/subop/compare     1/mod/*+disp8   1/rm32/ecx    .           .             .           .           4/disp8         0/imm32           # compare *(ecx+4)
-    75/jump-if-not-equal  $test-scan-next-byte-skips-comment:end/disp8
+    75/jump-if-!=  $test-scan-next-byte-skips-comment:end/disp8
     # check-ints-equal(eax, 0x61/a, msg)
     # . . push args
     68/push  "F - test-scan-next-byte-skips-comment"/imm32
@@ -951,7 +951,7 @@ test-scan-next-byte-skips-comment-and-whitespace:
     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               0xc/imm32         # add to esp
     # return if abort
     81          7/subop/compare     1/mod/*+disp8   1/rm32/ecx    .           .             .           .           4/disp8         0/imm32           # compare *(ecx+4)
-    75/jump-if-not-equal  $test-scan-next-byte-skips-comment-and-whitespace:end/disp8
+    75/jump-if-!=  $test-scan-next-byte-skips-comment-and-whitespace:end/disp8
     # check-ints-equal(eax, 0x61/a, msg)
     # . . push args
     68/push  "F - test-scan-next-byte-skips-comment-and-whitespace"/imm32
@@ -1059,7 +1059,7 @@ test-scan-next-byte-skips-whitespace-and-comment:
     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               0xc/imm32         # add to esp
     # return if abort
     81          7/subop/compare     1/mod/*+disp8   1/rm32/ecx    .           .             .           .           4/disp8         0/imm32           # compare *(ecx+4)
-    75/jump-if-not-equal  $test-scan-next-byte-skips-whitespace-and-comment:end/disp8
+    75/jump-if-!=  $test-scan-next-byte-skips-whitespace-and-comment:end/disp8
     # check-ints-equal(eax, 0x61/a, msg)
     # . . push args
     68/push  "F - test-scan-next-byte-skips-whitespace-and-comment"/imm32
@@ -1157,7 +1157,7 @@ test-scan-next-byte-reads-final-byte:
     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               0xc/imm32         # add to esp
     # return if abort
     81          7/subop/compare     1/mod/*+disp8   1/rm32/ecx    .           .             .           .           4/disp8         0/imm32           # compare *(ecx+4)
-    75/jump-if-not-equal  $test-scan-next-byte-reads-final-byte:end/disp8
+    75/jump-if-!=  $test-scan-next-byte-reads-final-byte:end/disp8
     # check-ints-equal(eax, 0x61/a, msg)
     # . . push args
     68/push  "F - test-scan-next-byte-reads-final-byte"/imm32
@@ -1247,7 +1247,7 @@ test-scan-next-byte-handles-Eof:
     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               0xc/imm32         # add to esp
     # return if abort
     81          7/subop/compare     1/mod/*+disp8   1/rm32/ecx    .           .             .           .           4/disp8         0/imm32           # compare *(ecx+4)
-    75/jump-if-not-equal  $test-scan-next-byte-handles-Eof:end/disp8
+    75/jump-if-!=  $test-scan-next-byte-handles-Eof:end/disp8
     # check-ints-equal(eax, Eof, msg)
     # . . push args
     68/push  "F - test-scan-next-byte-handles-Eof"/imm32
@@ -1373,10 +1373,10 @@ $skip-until-newline:loop:
     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               4/imm32           # add to esp
     # . if (eax == Eof) break
     3d/compare-eax-and  0xffffffff/imm32/Eof
-    74/jump-if-equal  $skip-until-newline:end/disp8
+    74/jump-if-=  $skip-until-newline:end/disp8
     # . if (eax != 0xa/newline) loop
     3d/compare-eax-and  0xa/imm32/newline
-    75/jump-if-not-equal  $skip-until-newline:loop/disp8
+    75/jump-if-!=  $skip-until-newline:loop/disp8
 $skip-until-newline:end:
     # . restore registers
     58/pop-to-eax