diff options
| author | Christopher Faylor <me@cgf.cx> | 2000-02-17 22:39:52 +0300 |
|---|---|---|
| committer | Christopher Faylor <me@cgf.cx> | 2000-02-17 22:39:52 +0300 |
| commit | 8a0efa53e44919bcf5ccb1d3353618a82afdf8bc (patch) | |
| tree | 68c3dbf3f2c6fd5d49777def9914d77b5cd4589d /newlib/libc/machine/w65/smulhi3.s | |
| parent | 1fd5e000ace55b323124c7e556a7a864b972a5c4 (diff) | |
import newlib-2000-02-17 snapshot
Diffstat (limited to 'newlib/libc/machine/w65/smulhi3.s')
| -rw-r--r-- | newlib/libc/machine/w65/smulhi3.s | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/newlib/libc/machine/w65/smulhi3.s b/newlib/libc/machine/w65/smulhi3.s new file mode 100644 index 000000000..6ccbfba01 --- /dev/null +++ b/newlib/libc/machine/w65/smulhi3.s @@ -0,0 +1,20 @@ + .global ___smulhi3 +___smulhi3: + + + + lda #0 +mult1: ldx <r4 + beq done + lsr <r4 + bcc mult2 + clc + adc <r5 + +mult2: asl <r5 + bra mult1 + +done: sta <r0 + rtl + + |