diff options
| -rw-r--r-- | nuttx/configs/z80sim/src/z80_lowputc.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/nuttx/configs/z80sim/src/z80_lowputc.c b/nuttx/configs/z80sim/src/z80_lowputc.c index 1c8abb2a4..ead9aa455 100644 --- a/nuttx/configs/z80sim/src/z80_lowputc.c +++ b/nuttx/configs/z80sim/src/z80_lowputc.c @@ -77,8 +77,10 @@ void up_lowputc(char ch) __naked { _asm - ld a, #2(sp) - out #0xbe, a + ld hl, #2 + add hl, sp + ld a, (hl) + out (0xbe), a ret _endasm; } @@ -93,7 +95,7 @@ void up_lowputc(char ch) __naked char up_lowgetc(void) __naked { _asm - in #0xbe, a + in a, (0xbe) ld l, a ld h, #0 ret |