vendor: Minor updates so 'nasm' is happy

See the 'nasm' utility in https://github.com/mssola/tools.nes.

Signed-off-by: Miquel Sabaté Solà <mikisabate@gmail.com>

2 files changed, 8 insertions, 11 deletions

diff --git a/vendor/bcd16.s b/vendor/bcd16.s
index 7839eaf..e660db4 100644
--- a/vendor/bcd16.s
+++ b/vendor/bcd16.s
@@ -10,16 +10,13 @@
 ;
 ; @mssola: The memory addresses being used here have been modified so they don't
 ; clash with my programs (from $0x to $8x).
-
-.p02
+; @mssola: Remove stuff that was not needed for NES/Famicom development.
+; @mssola: Rename 'b' to 'lowByte' so it conforms to what 'nasm' expect.
 
 ;; Define so you can better manage code that you want included whenever this
 ;; feature has been included.
 BCD16_SUPPORT = 1
 
-.exportzp bcdNum, bcdResult
-.export bcdConvert
-
 ; bcdConvert
 ;
 ; Given a number in bcdNum (16-bit), converts it to 5 decimal digits
@@ -63,13 +60,13 @@ BCD_BITS = 19
 ;   out, the byte is complete and should be copied to result.
 ;   (This behavior is called a "ring counter".)
 ;   Overwritten.
-; b
+; lowByte
 ;   Low byte of the result of trial subtraction.
 ;   Overwritten.
 bcdNum = $80
 bcdResult = $82
 curDigit = $87
-b = $82
+lowByte = $82
 
 ;
 ; Completes within 670 cycles.
@@ -82,18 +79,18 @@ bcdConvert:
   ldy #BCD_BITS - 5
 
 @loop:
-  ; Trial subtract this bit to A:b
+  ; Trial subtract this bit to A:lowByte
   sec
   lda bcdNum
   sbc bcdTableLo,y
-  sta b
+  sta lowByte
   lda bcdNum+1
   sbc bcdTableHi,y
 
-  ; If A:b > bcdNum then bcdNum = A:b
+  ; If A:lowByte > bcdNum then bcdNum = A:lowByte
   bcc @trial_lower
   sta bcdNum+1
-  lda b
+  lda lowByte
   sta bcdNum
 @trial_lower:
 
diff --git a/vendor/list.nes b/vendor/list.nes
-Subproject 9e22faffffa20aa256a05468157404006e2e4d1
+Subproject 23fda2e0742a9a87fc499816a0872926a1fb570