diff options
Diffstat (limited to 'src/new_format_ip.s')
| -rw-r--r-- | src/new_format_ip.s | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/new_format_ip.s b/src/new_format_ip.s new file mode 100644 index 0000000..5fab2ba --- /dev/null +++ b/src/new_format_ip.s @@ -0,0 +1,54 @@ + .fopt compiler,"cc65 v 2.12.9" + .setcpu "6502" + .smart on + .autoimport on + .case on + .debuginfo off + .importzp sp, sreg, regsave, regbank, tmp1, ptr1, ptr2 + .macpack longbranch + .export _new_format_ip + + .segment "BSS" +buf: + .res 20,$0 + + .segment "RODATA" +fmt: .byte "%d.%d.%d.%d", 0 + +; unsigned char* __fastcall__ format_ip (__near__ unsigned int[2]*) + .segment "CODE" +_new_format_ip: + sta ptr1 + stx ptr1+1 + + lda #<buf + ldx #>buf + jsr pushax + + lda #<fmt + ldx #>fmt + jsr pushax + + ldy #0 + lda (ptr1),y + jsr pusha0 + + ldy #1 + lda (ptr1),y + jsr pusha0 + + ldy #2 + lda (ptr1),y + jsr pusha0 + + ldy #3 + lda (ptr1),y + jsr pusha0 + + ldy #$0c + jsr _sprintf + + lda #<buf + ldx #>buf + + rts |