ack/mach
George Koehler c95bcac91d Correct the stack pointer when i80 shrinks an integer.
The code used `sphl` to set the stack pointer, but the correct value
was in de, not hl.  Fix by swapping the values of de and hl, so `sphl`
is now correct.  When we shrink an integer from 4 to 2 bytes, both
registers de and hl point to copies of the result, but only one
register preserves the stack below the result.

This fixes writehex() in tests/plat/lib/test.c, when I compile it with
ack -mcpm, so it preserves the pointer to "0123456789abcdef", so it
writes hexadecimal digits and not garbage.

This bug goes back to commit 157b243 of Mar 18, 1985, so the bug is
32 years old, and probably the oldest bug that I ever fixed.
2017-12-07 15:39:41 -05:00
..
6500 Distributions are a pain --- let's not bother any more. Instead, we just tag 2016-09-02 23:00:38 +02:00
6800 Distributions are a pain --- let's not bother any more. Instead, we just tag 2016-09-02 23:00:38 +02:00
6805 Distributions are a pain --- let's not bother any more. Instead, we just tag 2016-09-02 23:00:38 +02:00
6809 Distributions are a pain --- let's not bother any more. Instead, we just tag 2016-09-02 23:00:38 +02:00
arm Distributions are a pain --- let's not bother any more. Instead, we just tag 2016-09-02 23:00:38 +02:00
em22 Distributions are a pain --- let's not bother any more. Instead, we just tag 2016-09-02 23:00:38 +02:00
em24 Distributions are a pain --- let's not bother any more. Instead, we just tag 2016-09-02 23:00:38 +02:00
em44 Distributions are a pain --- let's not bother any more. Instead, we just tag 2016-09-02 23:00:38 +02:00
i80 Correct the stack pointer when i80 shrinks an integer. 2017-12-07 15:39:41 -05:00
i86 Fix build with gcc. 2017-11-17 17:52:37 -05:00
i386 Fix build with gcc. 2017-11-17 17:52:37 -05:00
m68k2 Distributions are a pain --- let's not bother any more. Instead, we just tag 2016-09-02 23:00:38 +02:00
m68k4 Distributions are a pain --- let's not bother any more. Instead, we just tag 2016-09-02 23:00:38 +02:00
m68020 Fix build with gcc. 2017-11-17 17:52:37 -05:00
mantra Distributions are a pain --- let's not bother any more. Instead, we just tag 2016-09-02 23:00:38 +02:00
minix Distributions are a pain --- let's not bother any more. Instead, we just tag 2016-09-02 23:00:38 +02:00
minixST Distributions are a pain --- let's not bother any more. Instead, we just tag 2016-09-02 23:00:38 +02:00
moon3/ncg Distributions are a pain --- let's not bother any more. Instead, we just tag 2016-09-02 23:00:38 +02:00
ns Distributions are a pain --- let's not bother any more. Instead, we just tag 2016-09-02 23:00:38 +02:00
pdp Distributions are a pain --- let's not bother any more. Instead, we just tag 2016-09-02 23:00:38 +02:00
pmds Distributions are a pain --- let's not bother any more. Instead, we just tag 2016-09-02 23:00:38 +02:00
pmds4 Distributions are a pain --- let's not bother any more. Instead, we just tag 2016-09-02 23:00:38 +02:00
powerpc Declare machine-dependent functions in mach/proto/ncg 2017-11-13 14:23:44 -05:00
proto Declare machine-dependent functions in mach/proto/ncg 2017-11-13 14:23:44 -05:00
s2650 Distributions are a pain --- let's not bother any more. Instead, we just tag 2016-09-02 23:00:38 +02:00
sparc Distributions are a pain --- let's not bother any more. Instead, we just tag 2016-09-02 23:00:38 +02:00
sparc_solaris Distributions are a pain --- let's not bother any more. Instead, we just tag 2016-09-02 23:00:38 +02:00
sun2 Distributions are a pain --- let's not bother any more. Instead, we just tag 2016-09-02 23:00:38 +02:00
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vax4 Distributions are a pain --- let's not bother any more. Instead, we just tag 2016-09-02 23:00:38 +02:00
vc4 Declare machine-dependent functions in mach/proto/ncg 2017-11-13 14:23:44 -05:00
xenix3 Distributions are a pain --- let's not bother any more. Instead, we just tag 2016-09-02 23:00:38 +02:00
z80 Change the extension used by Basic files for .b to .bas, to avoid conflicts 2016-11-27 20:38:33 +01:00
z8000 Distributions are a pain --- let's not bother any more. Instead, we just tag 2016-09-02 23:00:38 +02:00