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ReadMe tweaking. Simplify. Add References and links.

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This commit is contained in:
David Brown 2016-07-06 17:20:12 +01:00
parent 1f73ab6856
commit 8e4367e5c9
7 changed files with 115 additions and 55 deletions
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20
src/system/SYSTEM.h
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@ -49,7 +49,7 @@
#define LONGREAL double
#define SYSTEM_PTR void*
// For 32 bit builds, the size of LONGINT depends on a make option:
// For 32 bit builds, the size of LONGINT depends on a make option:
#if (__SIZEOF_POINTER__ == 8) || defined(LARGE) || defined(_WIN64)
#define INTEGER int // INTEGER is 32 bit.
@ -126,21 +126,21 @@ static int __str_cmp(CHAR *x, CHAR *y){
#define __GET(a, x, t) x= *(t*)(uintptr_t)(a)
#define __PUT(a, x, t) *(t*)(uintptr_t)(a)=x
#define __LSHL(x, n, t) ((t)((unsigned t)(x)<<(n)))
#define __LSHR(x, n, t) ((t)((unsigned t)(x)>>(n)))
#define __LSH(x, n, t) ((n)>=0? __LSHL(x, n, t): __LSHR(x, -(n), t))
#define __ROTL(x, n, t) ((t)((unsigned t)(x)<<(n)|(unsigned t)(x)>>(8*sizeof(t)-(n))))
#define __ROTR(x, n, t) ((t)((unsigned t)(x)>>(n)|(unsigned t)(x)<<(8*sizeof(t)-(n))))
#define __LSHR(x, n, t) ((t)((unsigned t)(x)>>(n)))
#define __LSH(x, n, t) ((n)>=0? __LSHL(x, n, t): __LSHR(x, -(n), t))
#define __ROTL(x, n, t) ((t)((unsigned t)(x)<<(n)|(unsigned t)(x)>>(8*sizeof(t)-(n))))
#define __ROTR(x, n, t) ((t)((unsigned t)(x)>>(n)|(unsigned t)(x)<<(8*sizeof(t)-(n))))
#define __ROT(x, n, t) ((n)>=0? __ROTL(x, n, t): __ROTR(x, -(n), t))
#define __BIT(x, n) (*(unsigned LONGINT*)(x)>>(n)&1)
#define __MOVE(s, d, n) memcpy((char*)(uintptr_t)(d),(char*)(uintptr_t)(s),n)
#define __ASHL(x, n) ((LONGINT)(x)<<(n))
#define __ASHR(x, n) ((LONGINT)(x)>>(n))
#define __ASH(x, n) ((n)>=0?__ASHL(x,n):__ASHR(x,-(n)))
#define __ROTL(x, n, t) ((t)((unsigned t)(x)<<(n)|(unsigned t)(x)>>(8*sizeof(t)-(n))))
#define __ROTR(x, n, t) ((t)((unsigned t)(x)>>(n)|(unsigned t)(x)<<(8*sizeof(t)-(n))))
#define __ROT(x, n, t) ((n)>=0? __ROTL(x, n, t): __ROTR(x, -(n), t))
#define __BIT(x, n) (*(unsigned LONGINT*)(x)>>(n)&1)
#define __MOVE(s, d, n) memcpy((char*)(uintptr_t)(d),(char*)(uintptr_t)(s),n)
#define __ASHF(x, n) SYSTEM_ASH((LONGINT)(x), (LONGINT)(n))
#define __SHORT(x, y) ((int)((unsigned LONGINT)(x)+(y)<(y)+(y)?(x):(__HALT(-8),0)))
#define __SHORTF(x, y) ((int)(__RF((x)+(y),(y)+(y))-(y)))