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comparison src/asm.c @ 57:c44170825b16

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Implement lsli and lsri in assembler
author Michael Pavone <pavone@retrodev.com>
date Thu, 01 Sep 2016 21:52:48 -0700
parents f9846719aa26
children bed2d84eeabe
comparison
equal deleted inserted replaced
56:fa9cf7108ab7 57:c44170825b16
118 ret.immed_max = 15; 118 ret.immed_max = 15;
119 } 119 }
120 } else { 120 } else {
121 ret.immed_min = ret.immed_max = 0; 121 ret.immed_min = ret.immed_max = 0;
122 } 122 }
123 return ret;
124 }
125 if (!strcmp("lsli", mnemonic) || !strcmp("lsri", mnemonic)) {
126 ret.base = LSI << 4 | SINGLE_SOURCE;
127 if (mnemonic[2] == 'r') {
128 ret.base |= 0x800;
129 }
130 ret.immed_min = 1;
131 ret.immed_max = 8;
132 ret.first_shift = 8;
133 ret.second_shift = 12;
134 ret.expected_args = 2;
123 return ret; 135 return ret;
124 } 136 }
125 index = find_string_arr(mnemonics_single_reg, mnemonic, SETVBR+1); 137 index = find_string_arr(mnemonics_single_reg, mnemonic, SETVBR+1);
126 if (index > SETVBR) { 138 if (index > SETVBR) {
127 ret.base = 0xFFFF; 139 ret.base = 0xFFFF;