93 lines
1.7 KiB
C
93 lines
1.7 KiB
C
/*
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* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
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* See the copyright notice in the ACK home directory, in the file "Copyright".
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*
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*/
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/*
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* machine dependent back end routines for the Intel 8080.
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*/
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#include <stdlib.h> /* atol */
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void con_part(int sz, word w)
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{
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while (part_size % sz)
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part_size++;
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if (part_size == 2)
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part_flush();
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if (sz == 1)
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{
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w &= 0xFF;
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if (part_size)
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w <<= 8;
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part_word |= w;
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}
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else
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{
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assert(sz == 2);
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part_word = w;
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}
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part_size += sz;
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}
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void con_mult(sz) word sz;
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{
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if (argval != 4)
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fatal("bad icon/ucon size");
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fprintf(codefile, ".data4\t%ld\n", atol(str));
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}
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#define CODE_GENERATOR
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#define IEEEFLOAT
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#define FL_MSL_AT_LOW_ADDRESS 0
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#define FL_MSW_AT_LOW_ADDRESS 0
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#define FL_MSB_AT_LOW_ADDRESS 0
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#include <con_float>
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void prolog(full nlocals)
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{
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int16_t adjustment = -nlocals;
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if (adjustment == 0)
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fprintf(codefile, "\tcall .pro0\n");
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else if (adjustment == -2)
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fprintf(codefile, "\tcall .pro2\n");
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else if (adjustment == -4)
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fprintf(codefile, "\tcall .pro4\n");
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else if ((adjustment >= -128) && (adjustment <= 127))
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fprintf(codefile, "\tcall .probyte\n\t.data1 %d\n", adjustment);
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else
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fprintf(codefile, "\tcall .proword\n\t.data2 %d\n", adjustment);
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}
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void mes(type) word type;
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{
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int argt;
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switch ((int)type)
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{
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case ms_ext:
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for (;;)
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{
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switch (argt = getarg(ptyp(sp_cend) | ptyp(sp_pnam) | sym_ptyp))
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{
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case sp_cend:
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return;
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default:
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strarg(argt);
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fprintf(codefile, ".define %s\n", argstr);
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break;
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}
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}
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default:
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while (getarg(any_ptyp) != sp_cend)
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;
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break;
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}
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}
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char* segname[] = { ".sect .text", ".sect .data", ".sect .rom", ".sect .bss" };
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