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Added Assembler 4004 and update Assembler 8051 (#1537)

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* Added Assembler 4004

* Update Assembler 8051
This commit is contained in:
CloverGit
2024-01-02 01:10:00 +08:00
committed by GitHub
parent db0911b2f4
commit 0f3bbdb1ad
4 changed files with 91 additions and 26 deletions
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60
a/Assembler 4004.asm Normal file
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; H e l l o W o r l d
; 48 65 6C 6C 6F 20 57 6F 72 6C 64
START
LDM $4 ; High nibble of letter 'H'
WRR ; Write to ROM output port
LDM $8 ; Low nibble of letter 'H'
WRR ; Write to ROM output port
LDM $6 ; High nibble of letter 'e'
WRR ; Write to ROM output port
LDM $5 ; Low nibble of letter 'e'
WRR ; Write to ROM output port
LDM $6 ; High nibble of letter 'l'
WRR ; Write to ROM output port
LDM $C ; Low nibble of letter 'l'
WRR ; Write to ROM output port
LDM $6 ; High nibble of letter 'l'
WRR ; Write to ROM output port
LDM $C ; Low nibble of letter 'l'
WRR ; Write to ROM output port
LDM $6 ; High nibble of letter 'o'
WRR ; Write to ROM output port
LDM $F ; Low nibble of letter 'o'
WRR ; Write to ROM output port
LDM $2 ; High nibble of 'space'
WRR ; Write to ROM output port
LDM $0 ; Low nibble of 'space'
WRR ; Write to ROM output port
LDM $5 ; High nibble of letter 'W'
WRR ; Write to ROM output port
LDM $7 ; Low nibble of letter 'W'
WRR ; Write to ROM output port
LDM $6 ; High nibble of letter 'o'
WRR ; Write to ROM output port
LDM $F ; Low nibble of letter 'o'
WRR ; Write to ROM output port
LDM $7 ; High nibble of letter 'r'
WRR ; Write to ROM output port
LDM $2 ; Low nibble of letter 'r'
WRR ; Write to ROM output port
LDM $6 ; High nibble of letter 'l'
WRR ; Write to ROM output port
LDM $C ; Low nibble of letter 'l'
WRR ; Write to ROM output port
LDM $6 ; High nibble of letter 'd'
WRR ; Write to ROM output port
LDM $4 ; Low nibble of letter 'd'
WRR ; Write to ROM output port
END
JUN END

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a/Assembler 8051.asm Normal file
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ORG 00H
SJMP INIT
INIT:
; Timer1 as the UART1 buadrate generator
MOV TMOD, #20H ; Timer1, 8-bit auto-reload mode
MOV TH1, #0FDH ; 9600 baudrate at 11.0592MHz
MOV SCON, #50H ; Serial mode 1, enable reception
SETB TR1 ; Start Timer1
MOV DPTR, #20H ; Point DPTR to the start of the string
SEND:
CLR A
MOVC A, @A+DPTR ; Get the next character
INC DPTR
JZ DONE ; End program if the character is null
MOV SBUF, A ; Send the character
JNB TI, $ ; Wait for transmission to complete
CLR TI ; Clear TI flag
SJMP SEND
DONE:
SJMP $ ; Endless loop
ORG 20H
DB 'Hello World', 0
END