* location dpl. Therefore we choose return type void here: */
#if defined DSDCC_MODEL_HUGE
void
-_gptrget (char *gptr) _naked
+_gptrget (char *gptr) __naked
{
/* This is the banked version with pointers up to 23 bits.
B cannot be trashed */
gptr; /* hush the compiler */
- _asm
+ __asm
;
; depending on the pointer type acc. to SDCCsymt.h
;
- jb _B_7,codeptr$ ; >0x80 code ; 3
- jnb _B_6,xdataptr$ ; <0x40 far ; 3
+ jb _B_7,codeptr$ ; >0x80 code ; 3
+ jnb _B_6,xdataptr$ ; <0x40 far ; 3
- mov dph,r0 ; save r0 independant of regbank ; 2
- mov r0,dpl ; use only low order address ; 2
+ mov dph,r0 ; save r0 independant of regbank ; 2
+ mov r0,dpl ; use only low order address ; 2
- jb _B_5,pdataptr$ ; >0x60 pdata ; 3
+ jb _B_5,pdataptr$ ; >0x60 pdata ; 3
;
; Pointer to data space
;
- mov a,@r0 ; 1
- mov r0,dph ; restore r0 ; 2
- mov dph,#0 ; restore dph ; 2
- ret ; 1
+ mov a,@r0 ; 1
+ dataptrrestore$:
+ mov r0,dph ; restore r0 ; 2
+ mov dph,#0 ; restore dph ; 2
+ ret ; 1
;
; pointer to external stack or pdata
;
pdataptr$:
- movx a,@r0 ; 1
- mov r0,dph ; restore r0 ; 2
- mov dph,#0 ; restore dph ; 2
- ret ; 1
- ;
- ; pointer to code area
- ;
+ movx a,@r0 ; 1
+ sjmp dataptrrestore$ ; 2
+ ;
+ ; pointer to code area
+ ;
codeptr$:
- ; implementation for SiLabs C8051F12x
- mov a,b ; 2
- anl a,0x03 ; 2
- swap a ; 1
- anl _PSBANK,#0x0F ; 3
- orl _PSBANK,a ; 2
-
- clr a ; 1
- movc a,@a+dptr ; 1
- ret ; 1
+ ; implementation for SiLabs C8051F12x
+ mov a,b ; 2
+ anl a,#0x03 ; 2
+ swap a ; 1
+ push _PSBANK ; 2
+ anl _PSBANK,#0x0F ; 3
+ orl _PSBANK,a ; 2
+
+ clr a ; 1
+ movc a,@a+dptr ; 1
+ pop _PSBANK ; 2
+ ret ; 1
;
; pointer to xternal data
;
xdataptr$:
- ; implementation for xram a16-a21 tied to P3
- mov _P3,b ; 3
-
- movx a,@dptr ; 1
- ret ; 1
- ;===
- ;43 bytes
- _endasm ;
+ ; implementation for xram a16-a21 tied to P3
+ mov _P3,b ; 3
+
+ movx a,@dptr ; 1
+ ret ; 1
+ ;===
+ ;44 bytes
+ __endasm;
}
#elif defined DSDCC_MODEL_MEDIUM
void
-_gptrget (char *gptr) _naked
+_gptrget (char *gptr) __naked
{
/* This is the non-banked version with pointers up to 15 bits.
Assumes B is free to be used */
gptr; /* hush the compiler */
- _asm
+ __asm
;
; depending on the pointer type acc. to SDCCsymt.h
;
- mov b,dph ; 3
- jb _B_7,codeptr$ ; >0x80 code ; 3
- jnb _B_6,xdataptr$ ; <0x40 far ; 3
+ mov b,dph ; 3
+ jb _B_7,codeptr$ ; >0x80 code ; 3
+ jnb _B_6,xdataptr$ ; <0x40 far ; 3
- mov b,r0 ; save r0 independant of regbank ; 2
- mov r0,dpl ; use only low order address ; 2
+ mov b,r0 ; save r0 independant of regbank ; 2
+ mov r0,dpl ; use only low order address ; 2
- jb _B_5,pdataptr$ ; >0x60 pdata ; 3
+ jb _B_5,pdataptr$ ; >0x60 pdata ; 3
;
; Pointer to data space
;
- mov a,@r0 ; 1
- mov r0,b ; restore r0 ; 2
- ret ; 1
+ mov a,@r0 ; 1
+ mov r0,b ; restore r0 ; 2
+ ret ; 1
;
; pointer to xternal stack or pdata
;
pdataptr$:
- movx a,@r0 ; 1
- mov r0,b ; restore r0 ; 2
- ret ; 1
- ;
- ; pointer to code area, max 15 bits
- ;
+ movx a,@r0 ; 1
+ mov r0,b ; restore r0 ; 2
+ ret ; 1
+ ;
+ ; pointer to code area, max 15 bits
+ ;
codeptr$:
- ; 0x8000 <= dptr <= 0xFFFF
- ; no need to AND dph and restore from B if hardware wraps code memory
- anl dph,#0x7F ; 3
- clr a ; 1
- movc a,@a+dptr ; 1
- mov dph,b ; 3
- ret ; 1
+ ; 0x8000 <= dptr <= 0xFFFF
+ ; no need to AND dph and restore from B if hardware wraps code memory
+ anl dph,#0x7F ; 3
+ clr a ; 1
+ movc a,@a+dptr ; 1
+ mov dph,b ; 3
+ ret ; 1
;
; pointer to xternal data, max 14 bits
;
xdataptr$:
- ; 0 <= dptr <= 0x3FFF
- movx a,@dptr ; 1
- ret ; 1
- ;===
- ;35 bytes
- _endasm ;
+ ; 0 <= dptr <= 0x3FFF
+ movx a,@dptr ; 1
+ ret ; 1
+ ;===
+ ;35 bytes
+ __endasm;
}
-#elif 1
+#else
void
-_gptrget (char *gptr) _naked
+_gptrget (char *gptr) __naked
{
/* This is the new version with pointers up to 16 bits.
B cannot be trashed */
gptr; /* hush the compiler */
- _asm
+ __asm
;
; depending on the pointer type acc. to SDCCsymt.h
;
- jb _B_7,codeptr$ ; >0x80 code ; 3
- jnb _B_6,xdataptr$ ; <0x40 far ; 3
+ jb _B_7,codeptr$ ; >0x80 code ; 3
+ jnb _B_6,xdataptr$ ; <0x40 far ; 3
- mov dph,r0 ; save r0 independant of regbank ; 2
- mov r0,dpl ; use only low order address ; 2
+ mov dph,r0 ; save r0 independant of regbank ; 2
+ mov r0,dpl ; use only low order address ; 2
- jb _B_5,pdataptr$ ; >0x60 pdata ; 3
+ jb _B_5,pdataptr$ ; >0x60 pdata ; 3
;
; Pointer to data space
;
- mov a,@r0 ; 1
- mov r0,dph ; restore r0 ; 2
- mov dph,#0 ; restore dph ; 2
- ret ; 1
+ mov a,@r0 ; 1
+ dataptrrestore$:
+ mov r0,dph ; restore r0 ; 2
+ mov dph,#0 ; restore dph ; 2
+ ret ; 1
;
; pointer to xternal stack or pdata
;
pdataptr$:
- movx a,@r0 ; 1
- mov r0,dph ; restore r0 ; 2
- mov dph,#0 ; restore dph ; 2
- ret ; 1
- ;
- ; pointer to code area, max 16 bits
- ;
+ movx a,@r0 ; 1
+ sjmp dataptrrestore$ ; 2
+ ;
+ ; pointer to code area, max 16 bits
+ ;
codeptr$:
- clr a ; 1
- movc a,@a+dptr ; 1
- ret ; 1
+ clr a ; 1
+ movc a,@a+dptr ; 1
+ ret ; 1
;
; pointer to xternal data, max 16 bits
;
xdataptr$:
- movx a,@dptr ; 1
- ret ; 1
- ;===
- ;30 bytes
- _endasm ;
+ movx a,@dptr ; 1
+ ret ; 1
+ ;===
+ ;27 bytes
+ __endasm;
}
-#else
-
-void
-_gptrget (char *gptr) _naked
-{
-/* This is the old version with pointers up to 16 bits. */
-
- gptr; /* hush the compiler */
-
- _asm
- ;
- ; depending on the pointer type acc. to SDCCsymt.h
- ;
- mov a,b ; 2
- jz 00001$ ; 0 near ; 2
- dec a ; 1
- jz 00002$ ; 1 far ; 2
- dec a ; 1
- jz 00003$ ; 2 code ; 2
- dec a ; 1
- jz 00004$ ; 3 pdata ; 2
- dec a ; 4 skip generic pointer ; 1
- dec a ; 1
- jz 00001$ ; 5 idata ; 2
- ;
- ; any other value for type
- ; return xFF
- mov a,#0xff ; 2
- ret ; 1
- ;
- ; Pointer to data space
- ;
- 00001$:
- push ar0 ; 2
- ;
- mov r0,dpl ; use only low order address ; 2
- mov a,@r0 ; 1
- ;
- pop ar0 ; 2
- ;
- ret ; 1
- ;
- ; pointer to xternal data
- ;
- 00002$:
- movx a,@dptr ; 1
- ret ; 1
-;
-; pointer to code area
-;
- 00003$:
- ; clr a is already 0
- movc a,@a+dptr ; 1
- ret ; 1
-;
-; pointer to xternal stack or pdata
-;
- 00004$:
-#if USE_PDATA_PAGING_REGISTER
- mov dph,__XPAGE ; __XPAGE (usually p2) holds high byte for pdata access
- movx a,@dptr
-#else
- push ar0 ; 2
- mov r0,dpl ; 2
- movx a,@r0 ; 1
- pop ar0 ; 2
-#endif
- ret ; 1
- ;===
- ;40 bytes
- _endasm ;
-}
#endif
#ifdef SDCC_ds390
/* the return value is expected to be in acc/_ap, and not in the standard
* location dpl/dph. Therefore we choose return type void here: */
-#if 1
-
void
_gptrgetWord (unsigned *gptr)
{
-/* This is the new version */
gptr; /* hush the compiler */
- _asm
+ __asm
;
; depending on the pointer type acc. to SDCCsymt.h
;
- jb _B_7,00003$ ; >0x80 code
- jnb _B_6,00002$ ; <0x40 far
+ jb _B_7,00003$ ; >0x80 code
+ jnb _B_6,00002$ ; <0x40 far
mov dph,r0 ; save r0 independant of regbank
mov r0,dpl ; use only low order address
- jb _B_5,00004$ ; >0x60 pdata
+ jb _B_5,00004$ ; >0x60 pdata
;
; Pointer to data space
;
mov r0,dph ; restore r0
mov dph,#0 ; restore dph
00006$:
- _endasm ;
+ xch a,_ap
+ __endasm;
}
-#else
-
-void
-_gptrgetWord (unsigned *gptr)
-{
- gptr; /* hush the compiler */
-
- _asm
- ;
- ; depending on the pointer type acc. to SDCCsymt.h
- ;
- mov a,b
- jz 00001$ ; 0 near
- dec a
- jz 00002$ ; 1 far
- dec a
- jz 00003$ ; 2 code
- dec a
- jz 00004$ ; 3 pdata
- dec a ; 4 skip generic pointer
- dec a
- jz 00001$ ; 5 idata
- ;
- ; any other value for type
- ; return xFF
- mov a,#0xff
- sjmp 00006$
- ;
- ; Pointer to data space
- ;
- 00001$:
- push ar0
- mov r0,dpl ; use only low order address
- mov _ap,@r0
- inc r0
- mov a,@r0
- inc dpl
- sjmp 00005$
- ;
- ; pointer to xternal data
- ;
- 00002$:
- movx a,@dptr
- mov _ap,a
- inc dptr
- movx a,@dptr
- sjmp 00006$
-;
-; pointer to code area
-;
- 00003$:
- ; clr a is already 0
- movc a,@a+dptr
- mov _ap,a
- clr a
- inc dptr
- movc a,@a+dptr
- sjmp 00006$
-;
-; pointer to xternal stack
-;
- 00004$:
- push ar0
- mov r0,dpl
- movx a,@r0
- mov _ap,a
- inc r0
- movx a,@r0
- inc dpl
-;
-; restore and return
-;
-00005$:
- pop ar0
-00006$:
- _endasm ;
-
-}
-#endif
-
#endif
projects / fw / sdcc / blobdiff