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PM0044 数据表(PDF) 118 Page - STMicroelectronics |
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PM0044 数据表(HTML) 118 Page - STMicroelectronics |
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118 / 162 page ![]() STM8 instruction set PM0044 118/162 Doc ID 13590 Rev 3 LDW detailed description (Continued) Note: LDW Y,[longptr.w] and LDW [longptr.w],Y are not implemented. They can be emulated using EXGW X,Y. See also: LD, CLRW dst src Asm cy lgth Op-code(s) ST7 (shortoff,SP) X LDW ($50,SP),X 2 2 1F [shortptr.w] X LDW [$50.w],X 5 3 92 CF XX ✗ [longptr.w] X LDW [$5000.w],X 5 4 72 CF MS LS ([shortptr.w],X) Y LDW ([$50.w],X),Y 5 3 92 DF XX ✗ ([longptr.w],X) Y LDW ([$5000.w],X),Y 5 4 72 DF MS LS dst src Asm cy lgth Op-code(s) ST7 Y #word LDW Y,#$55AA 2 4 90 AE MS LS ✗ Y shortmem LDW Y,$50 2 3 90 BE XX ✗ Y longmem LDW Y,$5000 2 4 90 CE MS LS ✗ Y(Y) LDW Y,(Y) 2 2 90 FE ✗ Y (shortoff,Y) LDW Y,($50,Y) 2 3 90 EE XX ✗ Y (longoff,Y) LDW Y,($5000,Y) 2 4 90 DE MS LS ✗ Y (shortoff,SP) LDW Y,($50,SP) 2 2 16 XX Y [shortptr.w] LDW Y,[$50.w] 5 3 91 CE XX ✗ Y ([shortptr.w],Y) LDW Y,([$50.w],Y) 5 3 91 DE XX ✗ dst src Asm cy lgth Op-code(s) ST7 shortmem Y LDW $50,Y 2 3 90 BF XX ✗ longmem Y LDW $5000,Y 2 4 90 CF MS LS ✗ (Y) X LDW (Y),X 2 2 90 FF ✗ (shortoff,Y) X LDW ($50,Y),X 2 3 90 EF XX ✗ (longoff,Y) X LDW ($5000,Y),X 2 4 90 DF MS LS ✗ (shortoff,SP) Y LDW ($50,SP),Y 2 2 17 XX [shortptr.w] Y LDW [$50.w],Y 5 3 91 CF XX ✗ ([shortptr.w],Y) X LDW ([$50.w],Y),X 5 3 91 DF XX ✗ dst src cy lgth Op-code(s) ST7 YX LDW Y,X 1 2 90 93 ✗ XY LDW X,Y 1 1 93 ✗ X SP LDW X,SP 1 1 96 ✗ SP X LDW SP,X 1 1 94 ✗ Y SP LDW Y,SP 1 2 90 96 ✗ SP Y LDW SP,Y 1 2 90 94 ✗ |
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