#if defined _MODSLONG_ASM_SMALL
static void
-_modslong_dummy (void) _naked
+_modslong_dummy (void) __naked
{
- _asm
+ __asm
- #define a0 dpl
- #define a1 dph
- #define a2 b
- #define a3 r1
+ #define a0 dpl
+ #define a1 dph
+ #define a2 b
+ #define a3 r1
- .globl __modslong
+ .globl __modslong
#if defined(SDCC_PARMS_IN_BANK1)
- #define b0 (b1_0)
- #define b1 (b1_1)
- #define b2 (b1_2)
- #define b3 (b1_3)
+ #define b0 (b1_0)
+ #define b1 (b1_1)
+ #define b2 (b1_2)
+ #define b3 (b1_3)
#else
- // _modslong_PARM_2 shares the same memory with _modulong_PARM_2
- // and is defined in _modulong.c
- #define b0 (__modslong_PARM_2)
- #define b1 (__modslong_PARM_2 + 1)
- #define b2 (__modslong_PARM_2 + 2)
- #define b3 (__modslong_PARM_2 + 3)
+ // _modslong_PARM_2 shares the same memory with _modulong_PARM_2
+ // and is defined in _modulong.c
+ #define b0 (__modslong_PARM_2)
+ #define b1 (__modslong_PARM_2 + 1)
+ #define b2 (__modslong_PARM_2 + 2)
+ #define b3 (__modslong_PARM_2 + 3)
#endif
- __modslong:
- ; a3 in acc
- ; b3 in (__modslong_PARM_2 + 3)
- mov a3,a ; save a3
-
- clr F0 ; Flag 0 in PSW
- ; available to user for general purpose
- jnb acc.7,a_not_negative
-
- setb F0
-
- clr a ; a = -a;
- clr c
- subb a,a0
- mov a0,a
- clr a
- subb a,a1
- mov a1,a
- clr a
- subb a,a2
- mov a2,a
- clr a
- subb a,a3
- mov a3,a
-
- a_not_negative:
-
- mov a,b3
- jnb acc.7,b_not_negative
-
- clr a ; b = -b;
- clr c
- subb a,b0
- mov b0,a
- clr a
- subb a,b1
- mov b1,a
- clr a
- subb a,b2
- mov b2,a
- clr a
- subb a,b3
- mov b3,a
-
- b_not_negative:
-
- mov a,a3 ; restore a3 in acc
-
- lcall __modulong
-
- jnb F0,not_negative
+__modslong:
+ ; a3 in acc
+ ; b3 in (__modslong_PARM_2 + 3)
+ mov a3,a ; save a3
+
+ clr F0 ; Flag 0 in PSW
+ ; available to user for general purpose
+ jnb acc.7,a_not_negative
+
+ setb F0
+
+ clr a ; a = -a;
+ clr c
+ subb a,a0
+ mov a0,a
+ clr a
+ subb a,a1
+ mov a1,a
+ clr a
+ subb a,a2
+ mov a2,a
+ clr a
+ subb a,a3
+ mov a3,a
+
+a_not_negative:
+
+ mov a,b3
+ jnb acc.7,b_not_negative
+
+ clr a ; b = -b;
+ clr c
+ subb a,b0
+ mov b0,a
+ clr a
+ subb a,b1
+ mov b1,a
+ clr a
+ subb a,b2
+ mov b2,a
+ clr a
+ subb a,b3
+ mov b3,a
+
+b_not_negative:
+
+ mov a,a3 ; restore a3 in acc
+
+ lcall __modulong
+
+ jnb F0,not_negative
; result in (a == r1), b, dph, dpl
- clr a
- clr c
- subb a,a0
- mov a0,a
- clr a
- subb a,a1
- mov a1,a
- clr a
- subb a,a2
- mov a2,a
- clr a
- subb a,a3
+ clr a
+ clr c
+ subb a,a0
+ mov a0,a
+ clr a
+ subb a,a1
+ mov a1,a
+ clr a
+ subb a,a2
+ mov a2,a
+ clr a
+ subb a,a3
; result in a, b, dph, dpl
- not_negative:
- ret
+not_negative:
+ ret
- _endasm ;
+ __endasm;
}
#elif defined _MODSLONG_ASM_SMALL_AUTO
static void
-_modslong_dummy (void) _naked
+_modslong_dummy (void) __naked
{
- _asm
-
- #define a0 dpl
- #define a1 dph
- #define a2 b
- #define a3 r1
-
- #define b0 r2
- #define b1 r3
- #define b2 r4
- #define b3 r5
-
- ar2 = 2 ; BUG register set is not considered
- ar3 = 3
- ar4 = 4
- ar5 = 5
-
- .globl __modslong
-
- __modslong:
-
- ; a3 in acc
- mov a3,a ; save a3
-
- clr F0 ; F0 (Flag 0)
- ; available to user for general purpose
- jnb acc.7,a_not_negative
-
- setb F0
-
- clr a ; a = -a;
- clr c
- subb a,a0
- mov a0,a
- clr a
- subb a,a1
- mov a1,a
- clr a
- subb a,a2
- mov a2,a
- clr a
- subb a,a3
- mov a3,a
-
- a_not_negative:
-
- mov a,sp
- add a,#-2-3 ; 2 bytes return address, 3 bytes param b
- mov r0,a ; r1 points to b0
-
-
- mov ar2,@r0 ; load b0
- inc r0 ; r0 points to b1
- mov ar3,@r0 ; b1
- inc r0
- mov ar4,@r0 ; b2
- inc r0
- mov a,@r0 ; b3
- mov b3,a
-
- jnb acc.7,b_not_negative
-
- clr a ; b = -b;
- clr c
- subb a,b0
- mov b0,a
- clr a
- subb a,b1
- mov b1,a
- clr a
- subb a,b2
- mov b2,a
- clr a
- subb a,b3
- mov b3,a
-
- b_not_negative:
-
- lcall __modlong
-
- jnb F0,not_negative
+ __asm
+
+ #define a0 dpl
+ #define a1 dph
+ #define a2 b
+ #define a3 r1
+
+ #define b0 r2
+ #define b1 r3
+ #define b2 r4
+ #define b3 r5
+
+ ar2 = 2 ; BUG register set is not considered
+ ar3 = 3
+ ar4 = 4
+ ar5 = 5
+
+ .globl __modslong
+
+__modslong:
+
+ ; a3 in acc
+ mov a3,a ; save a3
+
+ clr F0 ; F0 (Flag 0)
+ ; available to user for general purpose
+ jnb acc.7,a_not_negative
+
+ setb F0
+
+ clr a ; a = -a;
+ clr c
+ subb a,a0
+ mov a0,a
+ clr a
+ subb a,a1
+ mov a1,a
+ clr a
+ subb a,a2
+ mov a2,a
+ clr a
+ subb a,a3
+ mov a3,a
+
+a_not_negative:
+
+ mov a,sp
+ add a,#-2-3 ; 2 bytes return address, 3 bytes param b
+ mov r0,a ; r1 points to b0
+
+ mov ar2,@r0 ; load b0
+ inc r0 ; r0 points to b1
+ mov ar3,@r0 ; b1
+ inc r0
+ mov ar4,@r0 ; b2
+ inc r0
+ mov a,@r0 ; b3
+ mov b3,a
+
+ jnb acc.7,b_not_negative
+
+ clr a ; b = -b;
+ clr c
+ subb a,b0
+ mov b0,a
+ clr a
+ subb a,b1
+ mov b1,a
+ clr a
+ subb a,b2
+ mov b2,a
+ clr a
+ subb a,b3
+ mov b3,a
+
+b_not_negative:
+
+ lcall __modlong
+
+ jnb F0,not_negative
; result in (a == r1), b, dph, dpl
- clr a
- clr c
- subb a,a0
- mov a0,a
- clr a
- subb a,a1
- mov a1,a
- clr a
- subb a,a2
- mov a2,a
- clr a
- subb a,a3 ; result in a, b, dph, dpl
-
- not_negative:
- ret
-
- _endasm ;
+ clr a
+ clr c
+ subb a,a0
+ mov a0,a
+ clr a
+ subb a,a1
+ mov a1,a
+ clr a
+ subb a,a2
+ mov a2,a
+ clr a
+ subb a,a3 ; result in a, b, dph, dpl
+
+not_negative:
+ ret
+
+ __endasm;
}
#else // _MODSLONG_ASM
projects / fw / sdcc / blobdiff