X-Git-Url: https://jxself.org/git/?p=b43-tools.git;a=blobdiff_plain;f=assembler%2FREADME;fp=assembler%2FREADME;h=fe8e12e83f120323e267c79aeb7ca45755e5f1c4;hp=d9e1362b5525fe00676bfb238a4447bc273bcc44;hb=d06bbc1f605d2b235af68cb0500b3c32faebfda9;hpb=65c5a1da64ebbc6d1827080c054da703f4779f28

diff --git a/assembler/README b/assembler/README
index d9e1362..fe8e12e 100644
--- a/assembler/README
+++ b/assembler/README
@@ -16,6 +16,7 @@ sub       | A,B,rD     | Subtract                        | rD=A-B
 sub.      | A,B,rD     | Sub, set Carry                  | rD=A-B SaveCarry
 subc      | A,B,rD     | Sub with Carry                  | rD=A-B-Carry
 subc.     | A,B,rD     | Sub with Carry, set Carry       | rD=A-B-C SaveCarry
+mul       | A,B,rD     | multiply (rev 11+ only)         | spr06d=lsb; rD=msb
 
 Branch instructions:
 jmp       | l          | Uncond. jump (virtual instr.)   | PC=l
@@ -33,6 +34,10 @@ jl        | A,B,l      | Jump if less                    | if(A<B) PC=l
 jge       | A,B,l      | Jump if greater or equal        | if(A>=B) PC=l
 jg        | A,B,l      | Jump if greater                 | if(A>B) PC=l
 jle       | A,B,l      | Jump if less or equal           | if(A<=B) PC=l
+jdn       | A,B,l      | Jump if diff is < 0, no carry   | if(nc(A-B)<0) PC=l
+jdpz      | A,B,l      | Jump if diff is >= 0, no carry  | if(nc(A-B)>=0) PC=l
+jdp       | A,B,l      | Jump if diff is > 0, no carry   | if(nc(A-B)>0) PC=l
+jdnz      | A,B,l      | Jump if diff is <= 0, no carry  | if(nc(A-B)<=0) PC=l
 call      | lrX,l      | Store PC, call function         | lrX=PC; PC=l
 calls     | l          | Store PC, call function         | PC->stack; PC=l
 ret       | lrX,lrY    | Store PC, ret from func         | lrX=PC; PC=lrY