version 1.249, 2010/05/02 16:21:32
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version 1.257, 2010/12/31 18:09:02
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\ Gforth primitives |
\ Gforth primitives |
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\ Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007,2008,2009 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007,2008,2009,2010 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
\ This file is part of Gforth. |
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Line 612 SET_IP((Xt *)a_target);
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Line 612 SET_IP((Xt *)a_target);
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cell+ |
cell+ |
THEN >r ; |
THEN >r ; |
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(try1) ( ... a_oldhandler a_recovery -- R:a_recovery R:a_sp R:f_fp R:c_lp R:a_oldhandler a_newhandler ) gforth paren_try1 |
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a_sp = sp-1; |
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f_fp = fp; |
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c_lp = lp; |
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a_newhandler = rp-5; |
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(throw1) ( ... wball a_handler -- ... wball ) gforth paren_throw1 |
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rp = a_handler; |
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lp = (Address)rp[1]; |
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fp = (Float *)rp[2]; |
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sp = (Cell *)rp[3]; |
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#ifndef NO_IP |
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ip=IP; |
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#endif |
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SUPER_END; |
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VM_JUMP(EXEC1(*(Xt *)rp[4])); |
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\+ |
\+ |
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\ don't make any assumptions where the return stack is!! |
\ don't make any assumptions where the return stack is!! |
Line 2492 c_addr = "libltdl is not configured";
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Line 2510 c_addr = "libltdl is not configured";
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u = strlen(c_addr); |
u = strlen(c_addr); |
#endif |
#endif |
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be-w! ( w c_addr -- ) gforth w_store_be |
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""Store the bottom 16 bits of @i{w} at @i{c_addr} in big endian format."" |
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c_addr[0] = w >> 8; |
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c_addr[1] = w; |
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be-l! ( w c_addr -- ) gforth l_store_be |
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""Store the bottom 32 bits of @i{w} at @i{c_addr} in big endian format."" |
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c_addr[0] = w >> 24; |
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c_addr[1] = w >> 16; |
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c_addr[2] = w >> 8; |
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c_addr[3] = w; |
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le-w! ( w c_addr -- ) gforth w_store_le |
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""Store the bottom 16 bits of @i{w} at @i{c_addr} in big endian format."" |
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c_addr[1] = w >> 8; |
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c_addr[0] = w; |
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le-l! ( w c_addr -- ) gforth l_store_le |
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""Store the bottom 32 bits of @i{w} at @i{c_addr} in big endian format."" |
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c_addr[3] = w >> 24; |
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c_addr[2] = w >> 16; |
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c_addr[1] = w >> 8; |
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c_addr[0] = w; |
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be-uw@ ( c_addr -- u ) gforth w_fetch_be |
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""@i{u} is the zero-extended 16-bit big endian value stored at @i{c_addr}."" |
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u = (c_addr[0] << 8) | (c_addr[1]); |
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be-ul@ ( c_addr -- u ) gforth l_fetch_be |
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""@i{u} is the zero-extended 32-bit big endian value stored at @i{c_addr}."" |
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u = (c_addr[0] << 24) | (c_addr[1] << 16) | (c_addr[2] << 8) | (c_addr[3]); |
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le-uw@ ( c_addr -- u ) gforth w_fetch_le |
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""@i{u} is the zero-extended 16-bit little endian value stored at @i{c_addr}."" |
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u = (c_addr[1] << 8) | (c_addr[0]); |
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le-ul@ ( c_addr -- u ) gforth l_fetch_le |
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""@i{u} is the zero-extended 32-bit little endian value stored at @i{c_addr}."" |
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u = (c_addr[3] << 24) | (c_addr[2] << 16) | (c_addr[1] << 8) | (c_addr[0]); |
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\+64bit |
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x! ( w c_addr -- ) gforth x_store |
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""Store the bottom 64 bits of @i{w} at 64-bit-aligned @i{c_addr}."" |
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*(UOctabyte *)c_addr = w; |
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ux@ ( c_addr -- u ) gforth u_x_fetch |
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""@i{u} is the zero-extended 64-bit value stored at 64-bit-aligned @i{c_addr}."" |
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u = *(UOctabyte *)c_addr; |
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sx@ ( c_addr -- n ) gforth s_x_fetch |
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""@i{u} is the sign-extended 64-bit value stored at 64-bit-aligned @i{c_addr}."" |
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n = *(Octabyte *)c_addr; |
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be-x! ( w c_addr -- ) gforth b_e_x_store |
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""Store the bottom 64 bits of @i{w} at @i{c_addr} in big endian format."" |
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c_addr[0] = w >> 56; |
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c_addr[1] = w >> 48; |
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c_addr[2] = w >> 40; |
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c_addr[3] = w >> 32; |
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c_addr[4] = w >> 24; |
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c_addr[5] = w >> 16; |
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c_addr[6] = w >> 8; |
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c_addr[7] = w; |
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le-x! ( w c_addr -- ) gforth l_e_x_store |
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""Store the bottom 64 bits of @i{w} at @i{c_addr} in big endian format."" |
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c_addr[7] = w >> 56; |
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c_addr[6] = w >> 48; |
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c_addr[5] = w >> 40; |
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c_addr[4] = w >> 32; |
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c_addr[3] = w >> 24; |
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c_addr[2] = w >> 16; |
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c_addr[1] = w >> 8; |
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c_addr[0] = w; |
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be-ux@ ( c_addr -- u ) gforth b_e_u_x_fetch |
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""@i{u} is the zero-extended 64-bit big endian value stored at @i{c_addr}."" |
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u = (((Cell)(c_addr[0]) << 56) | |
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((Cell)(c_addr[1]) << 48) | |
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((Cell)(c_addr[2]) << 40) | |
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((Cell)(c_addr[3]) << 32) | |
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((Cell)(c_addr[4]) << 24) | |
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((Cell)(c_addr[5]) << 16) | |
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((Cell)(c_addr[6]) << 8) | |
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((Cell)(c_addr[7]))); |
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le-ux@ ( c_addr -- u ) gforth l_e_u_x_fetch |
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""@i{u} is the zero-extended 64-bit little endian value stored at @i{c_addr}."" |
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u = (((Cell)(c_addr[7]) << 56) | |
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((Cell)(c_addr[6]) << 48) | |
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((Cell)(c_addr[5]) << 40) | |
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((Cell)(c_addr[4]) << 32) | |
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((Cell)(c_addr[3]) << 24) | |
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((Cell)(c_addr[2]) << 16) | |
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((Cell)(c_addr[1]) << 8) | |
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((Cell)(c_addr[0]))); |
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\+ |
\+ |
\+ |
\g peephole |
\g peephole |
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