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pentagon: fix I/O ports on sketch of loader code
author
Alan Cox
<alan@linux.intel.com>
Tue, 19 Feb 2019 14:46:13 +0000
(14:46 +0000)
committer
Alan Cox
<alan@linux.intel.com>
Tue, 19 Feb 2019 14:46:13 +0000
(14:46 +0000)
It doesn't work yet at all, but since I noticed this in the first sketches I
wanted to fix it before I forget
Kernel/platform-pentagon/loader.s
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diff --git
a/Kernel/platform-pentagon/loader.s
b/Kernel/platform-pentagon/loader.s
index
c991027
..
3c14c91
100644
(file)
--- a/
Kernel/platform-pentagon/loader.s
+++ b/
Kernel/platform-pentagon/loader.s
@@
-20,12
+20,14
@@
start:
; The 8000-BFFF range is loaded by the loader
; The 4000-7FFF range is zero
ld a,#0x03
+ ld bc,#0x7ffd
out (c),a
ld hl,#0xc000
ld de,#0x0000
ld bc,#0x4000
ldir
ld a,#0x01
+ ld bc,#0x7ffd
out (c),a
; FIXME - where is best to start up
jp 0xC000