- added tools folder

This commit is contained in:
2022-06-30 16:56:54 +02:00
parent 71020198e4
commit 326bda000e
24 changed files with 2431 additions and 0 deletions
+72
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; -------------------------------------------------
; lcd.inc.jsm
; -------------------------------------------------
; needs xio-address equates for
; reg_cg_char_addr: equ 0xXX ; RW
; reg_cg_line_addr: equ 0xXX ; RW
; reg_cg_data: equ 0xXX ; RW
; reg_cg_ctrl: equ 0xXX ; WO
; needs delay.inc.jsm
; -------------------------------------------------
cg_clr_line: push R0
mov R0, 2
xout (reg_cg_ctrl), R0
pop R0
ret
; -------------------------------------------------
cg_clr_screen: push R0
mov R0, 1
xout (reg_cg_ctrl), R0
pop R0
ret
; -------------------------------------------------
; R0 : char address
; R1 : line address
cg_set_addr: call cg_wait_rdy
xout (reg_cg_line_addr), R1
xout (reg_cg_char_addr), R0
ret
; -------------------------------------------------
; R0 : character
cg_putchar: call cg_wait_rdy
xout (reg_cg_data), R0
ret
; -------------------------------------------------
; R1 : ptr to string
cg_puts: push R0
cg_p_lp: movx R0, (R1)
inc R1
tst R0
jz ex_cgp
call cg_putchar
jmp cg_p_lp
ex_cgp: pop R0
ret
; -------------------------------------------------
; R1 : ptr to string
cg_clr_puts: call cg_clr_line
call cg_puts
ret
; -------------------------------------------------
; R1 : ptr to string
cg_puts_clr: call cg_puts
call cg_clr_line
ret
; -------------------------------------------------
cg_wait_rdy: push R0
cg_wr_lp: xin R0, (reg_hwstat)
and R0, 0x02
jz cg_wr_lp
pop R0
ret
; -------------------------------------------------
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; JCPU On-Chip register
cpu_revision: equ 0x00 ; RO
cpu_control: equ 0x01 ; R/W
cpu_status: equ 0x02 ; RO
cpu_int_ctrl: equ 0x03 ; RW
cpu_cmem_high: equ 0x04 ; RW
cpu_stack_high: equ 0x05 ; RW
+64
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; -------------------------------------------------
; Delays
; -------------------------------------------------
delay1s: push R15
mov R15, 10
loop1s: call delay100ms
dec R15
jnz loop1s
pop R15
ret
delay100ms: push R15
mov R15, 10
loop100ms: call delay10ms
dec R15
jnz loop100ms
pop R15
ret
delay10ms: push R15
mov R15, 10
loop10ms: call delay1ms
dec R15
jnz loop10ms
pop R15
ret
delay1ms: push R15
mov R15, 10
loop1ms: call delay100us
dec R15
jnz loop1ms
pop R15
ret
delay100us: push R15
mov R15, 10
loop100us: call delay10us
dec R15
jnz loop100us
pop R15
ret
delay10us: push R15
mov R15, 99
loop10us: nop
nop
nop
dec R15
jnz loop10us
pop R15
ret
delay1us: push R15
mov R15, 9
loop1us: nop
nop
nop
dec R15
jnz loop1us
pop R15
ret
; -------------------------------------------------
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; -------------------------------------------------
; lcd.inc.jsm
; -------------------------------------------------
; needs xmem-address definition for
; - lcd_port (LCD-Base)
; needs delay.inc.jsm
; -------------------------------------------------
lcd_cmd: equ 0x00
lcd_rd: equ 0x20
lcd_data: equ 0x40
lcd_enable: equ 0x80
LCD_CMD_Z1: equ 0x80
LCD_CMD_Z2: equ 0xC0
LCD_CMD_CLEAR: equ 0x01
; -------------------------------------------------
; Init LCD
; -------------------------------------------------
LCD_init: mov R2, 0x00
mov R0, 0x03
call _write_lcd
call delay10ms
mov R2, 0x00
mov R0, 0x03
call _write_lcd
call delay10ms
mov R2, 0x00
mov R0, 0x02
call _write_lcd
call delay1ms
; 1. Function set: 4-Bit mode, two display lines
mov R0, 0x28
call LCD_writecmd
; 2. Display on, no cursor
mov R0, 0x0C
call LCD_writecmd
; 3. Cursor shift during write
mov R0, 0x06
call LCD_writecmd
; 4. Display clear
mov R0, 0x01
call LCD_writecmd
ret
; -------------------------------------------------
; LCD_waitbsy
; -------------------------------------------------
LCD_waitbsy: push R0
bsy_loop: call LCD_readstat
and R0, 0x80
jz ex_bsy
call delay1us
jmp bsy_loop
ex_bsy: pop R0
ret
; -------------------------------------------------
; LCD_writecmd
; -------------------------------------------------
; R0 = cmd
LCD_writeaddr:
LCD_writecmd: push R2
mov R2, lcd_cmd
call LCD_write
pop R2
ret
; -------------------------------------------------
; LCD_putsx
; -------------------------------------------------
; R1 = address of null-terminated string in XMEM
LCD_putsx: push R0
putsx_loop: movx R0, (R1)
inc R1
tst R0
jz putsx_ex
call LCD_writechar
jmp putsx_loop
putsx_ex: pop R0
ret
; -------------------------------------------------
; LCD_putsc
; -------------------------------------------------
; R1 = address of null-terminated string in CMEM
LCD_putsc: push R0
putsc_loop: movc R0, (R1)
inc R1
tst R0
jz putsc_ex
call LCD_writechar
jmp putsc_loop
putsc_ex: pop R0
ret
; -------------------------------------------------
; LCD_writechar
; -------------------------------------------------
; R0 = char
LCD_writedata:
LCD_writechar: push R2
mov R2, lcd_data
call LCD_write
pop R2
ret
; -------------------------------------------------
; LCD_write
; -------------------------------------------------
; R0 = input
; R2 = register
LCD_write: call LCD_waitbsy
push R0
swap R0
call _write_lcd
pop R0
call _write_lcd
ret
; -------------------------------------------------
; LCD_readstat
; -------------------------------------------------
; R0 = status
LCD_readstat: push R2
mov R2, lcd_cmd
call LCD_read
pop R2
ret
; -------------------------------------------------
; LCD_read
; -------------------------------------------------
; R0 = output
; R2 = register
LCD_read: call _read_lcd
swap R0
push R0
call _read_lcd
pop R2
or R0, R2
ret
; -------------------------------------------------
; _write
; -------------------------------------------------
; R0 = input
_write_lcd: push R1
and R0, 0x0F
mov R1, R0
or R1, R2
xout (lcd_port), R1
call delay1us
mov R1, R0
or R1, R2
or R1, lcd_enable
xout (lcd_port), R1
call delay1us
mov R1, R0
or R1, R2
xout (lcd_port), R1
call delay1us
or R1, lcd_rd
xout (lcd_port), R1
pop R1
ret
; -------------------------------------------------
; _read
; -------------------------------------------------
; R0 = output
_read_lcd: push R1
mov R1, lcd_rd
or R1, R2
xout (lcd_port), R1
call delay1us
mov R1, lcd_rd
or R1, R2
or R1, lcd_enable
xout (lcd_port), R1
call delay1us
xin R0, (lcd_port)
and R0, 0x0F
mov R1, lcd_rd
or R1, R2
xout (lcd_port), R1
call delay1us
pop R1
ret
+42
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; -------------------------------------------------
; mul8x8.inc.jsm
; -------------------------------------------------
; -------------------------------------------------
; Parameter:
; R0 : operand 1
; R1 : operand 2
; Return:
; R0 : product low
; R1 : product high
mul8x8: push R2
push R3
push R4
mov R4, R1
mov R1, 0
mov R2, 0
mov R3, 0
loop1: cmp R4, 0x01
jeq ende1
shr R4
jnc next1
add R2, R0
addc R3, R1
next1: shl R0
rolc R1
jmp loop1
ende1: add R0, R2
addc R1, R3
pop R4
pop R3
pop R2
ret
; -------------------------------------------------
+58
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; -------------------------------------------------
; uart.inc.jsm
; -------------------------------------------------
; needs xmem-address definition for
; - uart_status (Status register)
; - uart_data (Data register)
UART_TX_EMPTY: equ 0x01
UART_TX_FULL: equ 0x02
UART_TX_CMPL: equ 0x04
UART_RX_PRESENT: equ 0x10
; -------------------------------------------------
; uart_puts
; -------------------------------------------------
; R1 : ptr to string
uart_puts: push R0
u_p_lp: movx R0, (R1)
inc R1
tst R0
jz ex_ugp
call uart_putchar
jmp u_p_lp
ex_ugp: pop R0
ret
; -------------------------------------------------
; uart_putchar
; -------------------------------------------------
; R0 = input
uart_putchar: jmp sout
; -------------------------------------------------
; sout
; -------------------------------------------------
; R0 = input
sout: push R1
sout1: xin R1, (uart_status)
and R1, UART_TX_FULL
jnz sout1
xout (uart_data), R0
pop R1
ret
; -------------------------------------------------
; sin
; -------------------------------------------------
; R0 = output
sin: push R1
sin1: xin R1, (uart_status)
and R1, UART_RX_PRESENT
jnz sin1
xin R0, (uart_data)
pop R1
ret
; -------------------------------------------------
+32
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; -------------------------------------------------
; utils.inc.jsm
; -------------------------------------------------
; -------------------------------------------------
; Parameter
; R0 : Bin value in lower nibble
; Return
; R0 : Hex character representing lower nibble
nibble2hex: and R0, 0x0F
cmp R0, 0x0A
jlt isNum1
add R0, 0x07
isNum1: add R0, 0x30
ret
; -------------------------------------------------
; Parameter
; R0 : Bin value
; Return
; R0 : Hex character high
; R1 : Hex character low
bin2hex: push R0
call nibble2hex
mov R1, R0
pop R0
swap R0
call nibble2hex
ret
; -------------------------------------------------