4283 Group
Grouping
Function
(A) = (M(DP)) ?
Grouping
Page
44
Mnemonic
Page
38
Mnemonic
TV1A
Function
SEAM
(V12–V10) ← (A2–A0)
(A) = n ?
41
39
SEA n
37
TAB1
T1AB
(B) ← (T17–T14)
(A) ← (T13–T10)
n = 0 to 15
(PCL) ← a6–a0
B a
29
30
at timer 1 stop (V10=0):
(R17–R14) ← (B)
(PCH) ← p
BL p, a
(T17–T14) ← (B)
(PCL) ← a6–a0
(R13–R10) ← (A)
(T13–T10) ← (A)
(PCL) ← (a6–a4, A3–A0)
BA a
30
30
at timer 1 operating (V10=1):
(R17–R14) ← (B)
(PCH) ← p
BLA p, a
(R13–R10) ← (A)
(PCL) ← (a6–a4, A3–A0)
38
SNZT1
(T1F) = 1 ?
(SP) ← (SP) + 1
(SK(SP)) ← (PC)
(PCH) ← 2
BM a
30
31
31
(T1F) ← 0
44
41
TV2A
TAB2
(V23–V20) ← (A3–A0)
(PCL) ← a6–a0
(B) ← (T27–T24)
(A) ← (T23–T20)
(SP) ← (SP) + 1
(SK(SP)) ← (PC)
(PCH) ← p p= 0 to 15
(PCL) ← a6–a0
BML p, a
40
T2AB
(R2L7–R2L4) ← (B)
(T27–T24) ← (B)
(R2L3–R2L0) ← (A)
(T23–T20) ← (A)
(SP) ← (SP) + 1
BMLA p,
a
(SK(SP)) ← (PC)
(PCH) ← p p= 0 to 15
(PCL) ← (a6–a4, A3–A0)
40
40
38
T2HAB
T2R2L
SNZT2
(R2H7–R2H4) ← (B)
(R2H3–R2H0) ← (A)
(PC) ← (SK(SP))
(SP) ← (SP) – 1
RT
36
36
(T27–T24) ← (R2L7–R2L4)
(T23–T20) ← (R2L3–R2L0)
(PC) ← (SK(SP))
(SP) ← (SP) – 1
RTS
(T2F) = 1 ?
(T2F) ← 0
Rev.1.01 Mar 20, 2006 page 27 of 62
REJ03B0109-0101