AT94K05AL ATMEL Corporation, AT94K05AL Datasheet - Page 116

• Manufacturer Part Number: AT94K05AL
• Description: Fpslic Devices Combine 5K Gates of Atmel's Patented AT40K Fpga Architecture, a 20 Mips Avr 8-bit Risc Microprocessor Core, Numerous Fixed Microcontroller Peripheries And up to 36K Bytes of Program And Data SRAM.
• Manufacturer: ATMEL Corporation

116
AT94K Series FPSLIC
mac16x16_32_method_B:
mulsu r23, r20
mulsu r23, r20
sbc
add
adc
adc
mulsu r21, r22
sbc
add
adc
adc
ret
clr
muls
movw
mul
add
adc
adc
adc
sbc
add
adc
adc
mulsu r21, r22
sbc
add
adc
adc
ret
r19, r2
r17, r0
r18, r1
r19, r2
r19, r2
r17, r0
r18, r1
r19, r2
r2
r23, r21
r5:r4,r1:r0
r22, r20
r16, r0
r17, r1
r18, r4
r19, r5
r19, r2
r17, r0
r18, r1
r19, r2
r19, r2
r17, r0
r18, r1
r19, r2
; (signed)ah * bl
; (signed)bh * al
; Sign extend
; uses two temporary registers (r4,r5), Speed / Size
Optimized
; but reduces cycles/words by 1
; (signed)ah * (signed)bh
; al * bl
; (signed)ah * bl
; Sign extend
; (signed)bh * al
; Sign extend
Rev. 1138F–FPSLI–06/02