From 7194bc1f1c9f89d5ddab2e2e4a4957b6fc582605 Mon Sep 17 00:00:00 2001 From: Karol Stasiak Date: Sat, 15 Jun 2019 19:42:51 +0200 Subject: [PATCH] More details on 8086 support (2) --- docs/lang/x86disclaimer.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/docs/lang/x86disclaimer.md b/docs/lang/x86disclaimer.md index 7c630fae..e724787a 100644 --- a/docs/lang/x86disclaimer.md +++ b/docs/lang/x86disclaimer.md @@ -97,6 +97,8 @@ The registers are translated as following: SP → SP IX → BP +The `AH` register is used as a temporary register for holding the flags. + The `SI` register is used as a temporary register for holding the address in 8080's `LDAX`/`STAX` (`LD (DE),A`/`LD(BC),A`/`LD A,(DE)`/`LD A,(BC)` on Z80) and 8085's undocumented `LDSI`/`SHLX`/`LHLX` (`LD DE,SP+n`/`LD (DE),HL`/`LD HL,(DE)` in Z80 syntax).