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Reorganized folders, added pal-adapter io device folder

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This commit is contained in:
Daniele Verducci su MatissePenguin
2021-01-02 16:33:51 +01:00
parent 55f5d62082
commit 68752e85a7
35 changed files with 327 additions and 1 deletions
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38
pat80-computer/software/z80-assembly/applications/tests/hd44780_lcd_test_procedure.asm Normal file
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;hd44780 lcd test procedure
LCD_INSTR_REG: EQU %00000000
LCD_DATA_REG: EQU %00000001
;reset procedure
ld a,%00111000
out (LCD_INSTR_REG),a
ld a,%00001000
out (LCD_INSTR_REG),a
ld a,%00000001
out (LCD_INSTR_REG),a
;init procedure
ld a,%00111000
out (LCD_INSTR_REG),a
ld a,%00001110
out (LCD_INSTR_REG),a
;write characters to display
ld a,%01000100
out (LCD_DATA_REG),a
ld a,%01100001
out (LCD_DATA_REG),a
ld a,%01101110
out (LCD_DATA_REG),a
ld a,%01101001
out (LCD_DATA_REG),a
ld a,%01100101
out (LCD_DATA_REG),a
ld a,%01101100
out (LCD_DATA_REG),a
ld a,%01100101
out (LCD_DATA_REG),a
ld a,%00100001
out (LCD_DATA_REG),a
halt