diff options
Diffstat (limited to 'nuttx/configs/z80sim/src/z80_lowputc.c')
| -rw-r--r-- | nuttx/configs/z80sim/src/z80_lowputc.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/nuttx/configs/z80sim/src/z80_lowputc.c b/nuttx/configs/z80sim/src/z80_lowputc.c index e23caeb0f..9b46b4880 100644 --- a/nuttx/configs/z80sim/src/z80_lowputc.c +++ b/nuttx/configs/z80sim/src/z80_lowputc.c @@ -76,6 +76,7 @@ void z80_lowputc(char ch) __naked { +#ifdef CONFIG_SDCC_OLD _asm ld hl, #2 add hl, sp @@ -83,6 +84,15 @@ void z80_lowputc(char ch) __naked out (0xbe), a ret _endasm; +#else + __asm__ ( + "\tld hl, #2\n" + "\tadd hl, sp\n" + "\tld a, (hl)\n" + "\tout (0xbe), a\n" + "\tret\n" + ); +#endif } /******************************************************************************** @@ -94,10 +104,19 @@ void z80_lowputc(char ch) __naked char z80_lowgetc(void) __naked { +#ifdef CONFIG_SDCC_OLD _asm in a, (0xbe) ld l, a ld h, #0 ret _endasm; +#else + __asm__ ( + "\tin a, (0xbe)\n" + "\tld l, a\n" + "\tld h, #0\n" + "\tret\n" + ); +#endif } |