| Line 49... |
Line 49... |
#include <assert.h>
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#include <assert.h>
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#include "zparser.h"
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#include "zparser.h"
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#include "zopcodes.h"
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#include "zopcodes.h"
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typedef ZPARSER::ZIPI ZIPI; // A Zip Instruction (i.e. uint32)
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#define IMMOP(OP,CND,IMM,A) (((OP&0x01f)<<22)|((A&0x0f)<<27)|((CND&0x07)<<19) \
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#define IMMOP(OP,CND,IMM,A) (((OP&0x01f)<<22)|((A&0x0f)<<27)|((CND&0x07)<<19) \
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| (IMM & 0x03ffff))
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| (IMM & 0x03ffff))
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#define DBLREGOP(OP,CND,IMM,B,A) (((OP&0x01f)<<22)|((A&0x0f)<<27) \
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#define DBLREGOP(OP,CND,IMM,B,A) (((OP&0x01f)<<22)|((A&0x0f)<<27) \
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|((CND&0x07)<<19)|(1<<18)|((B&0x0f)<<14) \
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|((CND&0x07)<<19)|(1<<18)|((B&0x0f)<<14) \
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| Line 132... |
Line 130... |
#ifdef LONG_MPY
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#ifdef LONG_MPY
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ZIPI ZPARSER::op_mpy(ZIPCOND cnd, ZIPIMM imm, ZIPREG b, ZIPREG a) const {
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ZIPI ZPARSER::op_mpy(ZIPCOND cnd, ZIPIMM imm, ZIPREG b, ZIPREG a) const {
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return DBLREGOP(ZIPO_MPY, cnd, imm, b, a);
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return DBLREGOP(ZIPO_MPY, cnd, imm, b, a);
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} ZIPI ZPARSER::op_mpy(ZIPCOND cnd, ZIPIMM imm, ZIPREG a) const {
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} ZIPI ZPARSER::op_mpy(ZIPCOND cnd, ZIPIMM imm, ZIPREG a) const {
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return IMMOP(ZIPO_MPY, cnd, imm, a);
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return IMMOP(ZIPO_MPY, cnd, imm, a);
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} ZIPI ZPARSER::op_ldihi(ZIPCOND cnd, ZIPIMM imm, ZIPREG a) const {
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ZIPI in = IMMOP(ZIPO_BREV, cnd, brev(imm)&0x0ffff, a);
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return in;
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}
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}
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#else
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#else
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ZIPI ZPARSER::op_ldihi(ZIPCOND cnd, ZIPIMM imm, ZIPREG a) const {
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ZIPI ZPARSER::op_ldihi(ZIPCOND cnd, ZIPIMM imm, ZIPREG a) const {
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ZIPI in = IMMOP(ZIPO_LDIHI, cnd, (imm & 0x0ffff), a);
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ZIPI in = IMMOP(ZIPO_LDIHI, cnd, (imm & 0x0ffff), a);
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return in;
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return in;
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| Line 147... |
Line 142... |
ZIPI ZPARSER::op_ldilo(ZIPCOND cnd, ZIPIMM imm, ZIPREG a) const {
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ZIPI ZPARSER::op_ldilo(ZIPCOND cnd, ZIPIMM imm, ZIPREG a) const {
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ZIPI in = IMMOP(ZIPO_LDILO, cnd, (imm & 0x0ffff), a);
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ZIPI in = IMMOP(ZIPO_LDILO, cnd, (imm & 0x0ffff), a);
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return in;
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return in;
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}
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}
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#ifdef LONG_MPY
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ZIPI ZPARSER::op_mpyuhi(ZIPCOND cnd, ZIPIMM imm, ZIPREG b, ZIPREG a) const {
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return DBLREGOP(ZIPO_MPYUHI, cnd, imm, b, a);
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} ZIPI ZPARSER::op_mpyuhi(ZIPCOND cnd, ZIPIMM imm, ZIPREG a) const {
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return IMMOP(ZIPO_MPYUHI, cnd, imm & 0x0ffff, a);
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}
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ZIPI ZPARSER::op_mpyshi(ZIPCOND cnd, ZIPIMM imm, ZIPREG b, ZIPREG a) const {
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return DBLREGOP(ZIPO_MPYSHI, cnd, imm, b, a);
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} ZIPI ZPARSER::op_mpyshi(ZIPCOND cnd, ZIPIMM imm, ZIPREG a) const {
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return IMMOP(ZIPO_MPYSHI, cnd, imm & 0x0ffff, a);
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}
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#else
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ZIPI ZPARSER::op_mpyu(ZIPCOND cnd, ZIPIMM imm, ZIPREG b, ZIPREG a) const {
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ZIPI ZPARSER::op_mpyu(ZIPCOND cnd, ZIPIMM imm, ZIPREG b, ZIPREG a) const {
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return DBLREGOP(ZIPO_MPYU, cnd, imm, b, a);
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return DBLREGOP(ZIPO_MPYU, cnd, imm, b, a);
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} ZIPI ZPARSER::op_mpyu(ZIPCOND cnd, ZIPIMM imm, ZIPREG a) const {
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} ZIPI ZPARSER::op_mpyu(ZIPCOND cnd, ZIPIMM imm, ZIPREG a) const {
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return IMMOP(ZIPO_MPYU, cnd, imm & 0x0ffff, a);
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return IMMOP(ZIPO_MPYU, cnd, imm & 0x0ffff, a);
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}
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}
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| Line 158... |
Line 166... |
ZIPI ZPARSER::op_mpys(ZIPCOND cnd, ZIPIMM imm, ZIPREG b, ZIPREG a) const {
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ZIPI ZPARSER::op_mpys(ZIPCOND cnd, ZIPIMM imm, ZIPREG b, ZIPREG a) const {
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return DBLREGOP(ZIPO_MPYS, cnd, imm, b, a);
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return DBLREGOP(ZIPO_MPYS, cnd, imm, b, a);
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} ZIPI ZPARSER::op_mpys(ZIPCOND cnd, ZIPIMM imm, ZIPREG a) const {
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} ZIPI ZPARSER::op_mpys(ZIPCOND cnd, ZIPIMM imm, ZIPREG a) const {
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return IMMOP(ZIPO_MPYS, cnd, imm & 0x0ffff, a);
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return IMMOP(ZIPO_MPYS, cnd, imm & 0x0ffff, a);
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}
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}
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#endif
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ZIPI ZPARSER::op_rol(ZIPCOND cnd, ZIPIMM imm, ZIPREG b, ZIPREG a) const {
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ZIPI ZPARSER::op_rol(ZIPCOND cnd, ZIPIMM imm, ZIPREG b, ZIPREG a) const {
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return DBLREGOP(ZIPO_ROL, cnd, imm, b, a);
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return DBLREGOP(ZIPO_ROL, cnd, imm, b, a);
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} ZIPI ZPARSER::op_rol(ZIPCOND cnd, ZIPIMM imm, ZIPREG a) const {
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} ZIPI ZPARSER::op_rol(ZIPCOND cnd, ZIPIMM imm, ZIPREG a) const {
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return IMMOP(ZIPO_ROL, cnd, imm, a);
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return IMMOP(ZIPO_ROL, cnd, imm, a);
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| Line 269... |
Line 278... |
imm = (a & 0x0fff); if (a&0x1fff) imm |= -0x1000; break;
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imm = (a & 0x0fff); if (a&0x1fff) imm |= -0x1000; break;
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case ZIPO_LDI:
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case ZIPO_LDI:
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imm = (a & 0x03fffff); break;
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imm = (a & 0x03fffff); break;
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case ZIPO_LDIn:
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case ZIPO_LDIn:
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imm = (a & 0x03fffff); imm |= -0x200000; break;
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imm = (a & 0x03fffff); imm |= -0x200000; break;
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case ZIPO_LDILO: case ZIPO_LDIHI:
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case ZIPO_LDILO:
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#ifndef LONG_MPY
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case ZIPO_LDIHI:
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#endif
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imm = (a & 0x0ffff); break;
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imm = (a & 0x0ffff); break;
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default:
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default:
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if (a & 0x040000) {
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if (a & 0x040000) {
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imm = (a&0x3fff);
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imm = (a&0x3fff);
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if (a&0x2000) imm |= -0x02000;
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if (a&0x2000) imm |= -0x02000;
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| Line 323... |
Line 335... |
ZIPIMM imma, immb;
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ZIPIMM imma, immb;
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switch(opa) {
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switch(opa) {
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case ZIPO_MOV:
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case ZIPO_MOV:
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imma = (a & 0x03fff); if (a) return false; break;
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imma = (a & 0x03fff); if (a) return false; break;
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case ZIPO_LDI: case ZIPO_LDIn:
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case ZIPO_LDI: case ZIPO_LDIn:
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case ZIPO_LDILO: case ZIPO_LDIHI:
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case ZIPO_LDILO:
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#ifndef LONG_MPY
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case ZIPO_LDIHI:
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#endif
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imma = immediate(a); break;
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imma = immediate(a); break;
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default:
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default:
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if (a & 0x040000) {
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if (a & 0x040000) {
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imma = (a&0x3ffff);
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imma = (a&0x3ffff);
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// if (a&0x20000) a |= -0x20000;
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// if (a&0x20000) a |= -0x20000;
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| Line 340... |
Line 355... |
}
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}
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} switch(opb) {
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} switch(opb) {
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case ZIPO_MOV:
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case ZIPO_MOV:
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immb = (b & 0x0fff); if (b) return false; break;
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immb = (b & 0x0fff); if (b) return false; break;
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case ZIPO_LDI: case ZIPO_LDIn:
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case ZIPO_LDI: case ZIPO_LDIn:
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case ZIPO_LDILO: case ZIPO_LDIHI:
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case ZIPO_LDILO:
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#ifndef LONG_MPY
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case ZIPO_LDIHI:
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#endif
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immb = immediate(b); break;
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immb = immediate(b); break;
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default:
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default:
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if (b & 0x040000) {
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if (b & 0x040000) {
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immb = (b&0x3fff);
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immb = (b&0x3fff);
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// if (b&0x2000) b |= -0x02000;
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// if (b&0x2000) b |= -0x02000;
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| Line 355... |
Line 373... |
if (b&0x20000)
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if (b&0x20000)
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immb |= -0x20000;
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immb |= -0x20000;
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}
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}
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}
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}
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if ((opa == ZIPO_LDI)||(opa == ZIPO_LDIn)||(opa == ZIPO_LDILO)||(opa == ZIPO_LDIHI)) {
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if ((opa == ZIPO_LDI)||(opa == ZIPO_LDIn)
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#ifndef LONG_MPY
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||(opa == ZIPO_LDIHI)
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#endif
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||(opa == ZIPO_LDILO)) {
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if ((imma > 15)||(imma < -16))
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if ((imma > 15)||(imma < -16))
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return false;
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return false;
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} else if ((imma > 7)||(imma < -8))
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} else if ((imma > 7)||(imma < -8))
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return false;
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return false;
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if ((opb == ZIPO_LDI)||(opb == ZIPO_LDIn)||(opb == ZIPO_LDILO)||(opb == ZIPO_LDIHI)) {
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if ((opb == ZIPO_LDI)||(opb == ZIPO_LDIn)
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#ifndef LONG_MPY
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||(opb == ZIPO_LDIHI)
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#endif
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||(opb == ZIPO_LDILO)) {
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if ((immb > 15)||(immb < -16))
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if ((immb > 15)||(immb < -16))
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return false;
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return false;
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} else if ((immb > 7)||(immb < -8))
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} else if ((immb > 7)||(immb < -8))
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return false;
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return false;
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| Line 400... |
Line 426... |
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// Are we using the register form of opB?
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// Are we using the register form of opB?
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switch(opa) {
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switch(opa) {
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case ZIPO_MOV: ni |= (a&0x078000); break; // Always a register
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case ZIPO_MOV: ni |= (a&0x078000); break; // Always a register
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case ZIPO_LDI: case ZIPO_LDIn:
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case ZIPO_LDI: case ZIPO_LDIn:
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case ZIPO_LDILO: case ZIPO_LDIHI:
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case ZIPO_LDILO:
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#ifndef LONG_MPY
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case ZIPO_LDIHI:
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#endif
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ni |= (imma & 0x01f)<<14;
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ni |= (imma & 0x01f)<<14;
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break;
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break;
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default:
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default:
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if (a & 0x040000) {
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if (a & 0x040000) {
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ni |= (a&0x078000);
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ni |= (a&0x078000);
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| Line 414... |
Line 443... |
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switch(opb) {
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switch(opb) {
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case ZIPO_MOV:
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case ZIPO_MOV:
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ni |= ((b>>14)&0x0f)|0x10; break;
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ni |= ((b>>14)&0x0f)|0x10; break;
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case ZIPO_LDI: case ZIPO_LDIn:
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case ZIPO_LDI: case ZIPO_LDIn:
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case ZIPO_LDILO: case ZIPO_LDIHI:
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case ZIPO_LDILO:
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#ifndef LONG_MPY
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case ZIPO_LDIHI:
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#endif
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ni |= (immb & 0x01f);
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ni |= (immb & 0x01f);
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break;
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break;
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default:
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default:
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if (b & 0x040000) {
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if (b & 0x040000) {
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ni |= ((b>>14)&0x0f)|0x10;
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ni |= ((b>>14)&0x0f)|0x10;
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