dwtoa FRAME dwValue, lpBuffer
USES rbx,rsi,rdi
mov rax, [dwValue]
mov rdi, [lpBuffer]
test rax,rax
jnz > .sign
.zero
mov W[rdi],30h
jmp >> dtaexit
.sign
jns > .pos
mov B[rdi],'-'
neg rax
add rdi, 1
.pos
mov rcx, 3435973837
mov rsi, rdi
;.while (rax > 0)
:
cmp rax,0
jle >
mov rbx,rax
mul rcx
shr rdx, 3
mov rax,rdx
lea rdx,[rdx*4+rdx]
add rdx,rdx
sub rbx,rdx
add bl,'0'
mov B[rdi],bl
add rdi, 1
jmp <
;.endw
:
mov B[rdi], 0 ; terminate the string
; We now have all the digits, but in reverse order.
; .while (rsi < rdi)
:
cmp rsi,rdi
jge > dtaexit
sub rdi, 1
mov al, B[rsi]
mov ah, B[rdi]
mov B[rdi], al
mov B[rsi], ah
add rsi, 1
;.endw
jmp <
dtaexit:
ret
ENDF
not returning the right value, for
invoke dwtoa,5000,addr mybuff
returns ','
any ideas?
So close with the conversion to 64-bit... a little tricky to spot, but the 3435973837 in hex is 0CCCCCCCDh which is still 32-bit so try 0CCCCCCCCCCCCCCCDh instead.
that fixed it, thanks wjr you're the man :U