commit a99cc4dcc0ec08b65562948bec3aa57cbb70b9bd
parent 7620e54f25083e300173a750ec8da4969c2a9b7e
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date: Mon, 18 Dec 2017 12:35:36 +0000
[as-z80] Add undocumented (and strange) rotate operations
These are really strange operations, and they are usually not used.
I have to verify how R800 works with these instructions.
Diffstat:
1 file changed, 16 insertions(+), 0 deletions(-)
diff --git a/as/target/x80/x80.dat b/as/target/x80/x80.dat
@@ -249,38 +249,54 @@ RLC r 2 0xcb,0x00 r8 Z80,R800
RLC (HL) 2 0xcb,0x06 noargs Z80,R800
RLC (IX+n) 4 0xdd,0xcb,0x06 idx Z80,R800
RLC (IY+n) 4 0xfd,0xcb,0x06 idx Z80,R800
+RLC (IX+n),r 4 0xdd,0xcb,0,0x00 idx_r8 Z80,R800
+RLC (IY+n),r 4 0xfd,0xcb,0,0x00 idx_r8 Z80,R800
RL r 2 0xcb,0x10 r8 Z80,R800
RL (HL) 2 0xcb,0x16 noargs Z80,R800
RL (IX+n) 4 0xdd,0xcb,0x16 idx Z80,R800
RL (IY+n) 4 0xfd,0xcb,0x16 idx Z80,R800
+RL (IX+n),r 4 0xdd,0xcb,0,0x10 idx_r8 Z80,R800
+RL (IY+n),r 4 0xfd,0xcb,0,0x10 idx_r8 Z80,R800
RRC r 2 0xcb,0x08 r8 Z80,R800
RRC (HL) 2 0xcb,0x06 noargs Z80,R800
RRC (IX+n) 4 0xdd,0xcb,0x06 idx Z80,R800
RRC (IY+n) 4 0xfd,0xcb,0x06 idx Z80,R800
+RRC (IX+n),r 4 0xdd,0xcb,0,0x08 idx_r8 Z80,R800
+RRC (IY+n),r 4 0xfd,0xcb,0,0x08 idx_r8 Z80,R800
RR r 2 0xcb,0x18 r8 Z80,R800
RR (HL) 2 0xcb,0x1e noargs Z80,R800
RR (IX+n) 4 0xdd,0xcb,0x1e idx Z80,R800
RR (IY+n) 4 0xfd,0xcb,0x1e idx Z80,R800
+RR (IX+n),r 4 0xdd,0xcb,0,0x18 idx_r8 Z80,R800
+RR (IY+n),r 4 0xfd,0xcb,0,0x18 idx_r8 Z80,R800
SLA r 2 0xcb,0x20 r8 Z80,R800
SLA (HL) 2 0xcb,0x26 noargs Z80,R800
SLA (IX+n) 4 0xdd,0xcb,0x26 idx Z80,R800
SLA (IY+n) 4 0xfd,0xcb,0x26 idx Z80,R800
+SLA (IX+n),r 4 0xdd,0xcb,0,0x20 idx_r8 Z80,R800
+SLA (IY+n),r 4 0xfd,0xcb,0,0x20 idx_r8 Z80,R800
SLL r 2 0xcb,0x30 r8 Z80
SLL (HL) 2 0xcb,0x36 noargs Z80
SLL (IX+n) 4 0xdd,0xcb,0x36 idx Z80
SLL (IY+n) 4 0xfd,0xcb,0x36 idx Z80
+SLL (IX+n),r 4 0xdd,0xcb,0,0x30 idx_r8 Z80
+SLL (IY+n),r 4 0xfd,0xcb,0,0x30 idx_r8 Z80
SRA r 2 0xcb,0x28 r8 Z80,R800
SRA (HL) 2 0xcb,0x2e noargs Z80,R800
SRA (IX+n) 4 0xdd,0xcb,0x2e idx Z80,R800
SRA (IY+n) 4 0xfd,0xcb,0x2e idx Z80,R800
+SRA (IX+n),r 4 0xdd,0xcb,0,0x28 idx_r8 Z80,R800
+SRA (IY+n),r 4 0xfd,0xcb,0,0x28 idx_r8 Z80,R800
SRL r 2 0xcb,0x38 r8 Z80,R800
SRL (HL) 2 0xcb,0x3e noargs Z80,R800
SRL (IX+n) 4 0xdd,0xcb,0x3e idx Z80,R800
SRL (IY+n) 4 0xfd,0xcb,0x3e idx Z80,R800
+SRL (IX+n),r 4 0xdd,0xcb,0,0x38 idx_r8 Z80,R800
+SRL (IY+n),r 4 0xfd,0xcb,0,0x38 idx_r8 Z80,R800
