s5u1c17001c Epson Electronics America, Inc., s5u1c17001c Datasheet - Page 373

• Manufacturer Part Number: s5u1c17001c
• Description: Cmos 16-bit Application Specific Controller
• Manufacturer: Epson Electronics America, Inc.

8.6.6 Immediate Data Load Instructions
Types and functions of extended instructions
Basic instructions after expansion
Expansion formats
(1) sld
(2) sld.a
(3) xld.a
(4) sld
(5) sld.a
S5U1C17001C MANUAL
(C COMPILER PACKAGE FOR S1C17 FAMILY) (Ver. 1.1)
These extended instructions allow a 16-bit/20-bit/24-bit immediate to be loaded directly into a general-purpose
register. A symbol also can be used for immediate specification.
sld, xld
sld.a, xld.a
Example: xld
Example: sld.a
Example: xld.a
Example: sld
Example: sld.a
sld
sld.a
sld.a
sld
sld.a
sld.a
xld
xld.a
xld.a
xld
xld.a
xld.a
ld
ld.a
ld.a
ext
ld
ext
ld.a
%rd,imm16(6:0)
(symbol ± imm16)(15:7)
%rd,(symbol ± imm16)(6:0)
%rd,imm16 / xld
%rd,symbol±imm16 / xld
%rd,imm20(6:0)
%rd,imm24(6:0)
(symbol ± imm20)(19:7)
%rd,(symbol ± imm20)(6:0)
Extended instruction
%rd,imm16
%rd,imm20
%sp,imm20
%rd,symbol ± imm16
%rd,symbol ± imm20
%sp,symbol ± imm20
%rd,imm16
%rd,imm24
%sp,imm24
%rd,symbol ± imm16
%rd,symbol ± imm24
%sp,symbol ± imm24
%rd,imm20 / sld.a
%rd,imm24 / xld.a
%rd,symbol±imm20 / sld.a
imm16 ≤ 0x7f
imm20 ≤ 0x7f
imm24 ≤ 0x7f
Unconditional
Unconditional
%rd,imm16
%rd,symbol±imm16
%rd,imm20
%rd,imm24
%rd,symbol±imm20
Expanded into the ld instruction
Expanded into the ld.a instruction
%rd,imm16
%sp,imm20
%sp,imm24
ext
ld
ext
ld.a
ext
ld.a
%rd ← imm16
%rd ← imm20
%sp ← imm20
%rd ← symbol ± imm16(15:0)
%rd ← symbol ± imm20(19:0)
%sp ← symbol ± imm20(19:0)
%rd ← imm16
%rd ← imm24
%sp ← imm24
%rd ← symbol ± imm16(15:0)
%rd ← symbol ± imm24(23:0)
%sp ← symbol ± imm24(23:0)
%rd,symbol±imm16
imm16(15:7)
%rd,imm16(6:0)
0x7f < imm24 ≤ 0xfffff
imm20(19:7)
%rd,imm20(6:0)
imm24(19:7)
%rd,imm24(6:0)
%sp,symbol±imm20
0x7f < imm16
0x7f < imm20
EPSON
Function
ext
ext
ld.a
imm24(23:20)
imm24(19:7)
%rd,imm24(6:0)
0xfffff < imm24
8 ASSEMBLER
Expansion
(1)
(2)
(2)
(4)
(5)
(5)
(1)
(3)
(3)
(4)
(6)
(6)
8-19