Worked on Function planning
This commit is contained in:
parent
49d9e0a38e
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9cee94df92
@ -1,13 +1,18 @@
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Kernel Routines Grouped
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(everything NOT starting with "+-", are "wants")
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Kernel Routines Grouped by File
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Char.s
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+- char_to_lower
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+- char_to_upper
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+- is_char
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Event_Handler.s
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+- event_invoke
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+- event_append
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+- event_remove
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+- event_count
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Hardware.s
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@ -18,34 +23,44 @@ Hardware.s
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Int.s
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Irq.s
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+- irq
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+- irq_init
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Keyboard.s
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+- keyboard_scan
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+- keyboard_translate
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+- keyboard_format
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Memory_Manager.s
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--- Still planing ---
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Software Stack:
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(for A, X and Y)
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push
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pop
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reserve
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dispose
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grow
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shrink
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Maybe also: External Fragmantation
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or: Variable houskeeping in a List of pointers
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--- Still planing ---
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String.s
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to lower
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to upper
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count
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flip
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contains
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equals
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trim
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+- string_to_lower
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+- string_to_upper
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+- string_count
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+- string_flip
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+- string_contains
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+- string_equals
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+- is_string
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Video.s
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8
main.s
8
main.s
@ -6,10 +6,10 @@
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.org $f700
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charset .incbin "assets/UTF-8.bin"
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charset: .incbin "assets/UTF-8.bin"
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.org $ff00
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reset sei
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reset: sei
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cld
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lda #<irq
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@ -48,9 +48,9 @@ reset sei
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jsr kernel_init
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loop jmp loop
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loop: jmp loop
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irq_jump jmp (irq_vector)
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irq_jump: jmp (irq_vector)
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.org $fffa
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@ -7,7 +7,7 @@
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.include "src/kernel/memory_manager.s"
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.include "src/kernel/hardware.s"
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kernel_init
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kernel_init:
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rts
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@ -0,0 +1,38 @@
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char_to_lower:
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; Char To Lower
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; Char is converted to Lowercase
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; Input:
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; A => Char
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; Output:
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; A <= Char
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rts
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char_to_upper:
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; Char To Upper
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; Char is converted to Uppercase
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; Input:
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; A => Char
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; Output:
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; A <= Char
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rts
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is_char:
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; Is Char
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; Checks if the Byte given, is a valid char
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; Input:
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; A => Char
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; Output:
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; A <= 0 if False, 1 if True
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rts
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@ -0,0 +1,62 @@
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event_invoke:
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; Event Invoke
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; Invokes the Event, as a list of Sub-Routines,
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; Starting at the pointer
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; Input:
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; K0 => LOW Event-List Pointer
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; K1 => HIGH Event-List Pointer
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; A => A Event Carry
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; X => X Event Carry
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; Y => Y Evet Carry
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; Output: (none)
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rts
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event_append:
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; Event Append
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; Appens the given Adress to the given Event-List
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; Input:
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; K0 => LOW Event-List Pointer
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; K1 => HIGH Event-List Pointer
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; X => LOW Event Adress Pointer
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; Y => HIGH Event Adress Pointer
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; Output:
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; A <= 0 if added successfully, 1 if not
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rts
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event_remove:
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; Event Remove
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; Removes the given Adress from the Event-List
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; Input:
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; K0 => LOW Event-List Pointer
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; K1 => HIGH Event-List Pointer
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; X => LOW Event Adress Pointer
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; Y => HIGH Event Adress Pointer
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; Output: (none)
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rts
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event_count:
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; Event Count
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; Counts how many Events are in a Event-List
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; Input:
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; X => LOW Event-List Pointer
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; Y => HIGH Event-List Pointer
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; Output:
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; A <= Count
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rts
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@ -1,5 +1,5 @@
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vram_write
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vram_write:
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; VRAM Write
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; Writes A to the given Coordinate
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@ -14,7 +14,7 @@ vram_write
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rts
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vram_write_color
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vram_write_color:
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; VRAM Write Color
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; Writes A to the given Coordinate, but adds 0x40 to X
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@ -28,7 +28,7 @@ vram_write_color
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rts
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vram_read
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vram_read:
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; VRAM Read
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; Reads Data from the given Coordinate
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@ -42,7 +42,7 @@ vram_read
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rts
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vram_dump
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vram_dump:
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; VRAM Dump
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; Dumps all bytes from VRAM in the given Range
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; to a specified Memory Adress
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@ -1,2 +1,5 @@
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irq
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irq_init:
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rts
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irq:
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rti
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@ -0,0 +1,42 @@
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keyboard_scan:
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; Keyboard Scan
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; Scans the Keyboard matrix, and returns a Scan Code,
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; the held Modifier Keys and Arrow Keys
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; Input: (none)
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; Output:
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; A <= Scan Code
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; X <= Modifier Keys
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; Y <= Arrow Keys
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rts
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keyboard_translate:
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; Keyboard Translate
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; Converts the Scan Code into lowercase ASCII
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; Input:
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; A => Scan Code
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; Output:
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; A <= ASCII Char
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rts
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keyboard_format:
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; Keyboard Format
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; Formats the given ASCII Character to
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; Uppercase / Special Characters, for final use
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; Input:
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; A => ASCII Char
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; X => Modifier Keys
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; Output:
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; A <= ASCII Char
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rts
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@ -0,0 +1,100 @@
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string_to_lower:
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; String To Lower
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; Converts the given string to Lowercase
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; Input:
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; X => LOW Memory Pointer
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; Y => HIGH Memory Pointer
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; Output: (none)
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rts
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string_to_upper:
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; String To Upper
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; Converts the given string to Uppercase
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; Input:
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; X => LOW Memory Pointer
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; Y => HIGH Memory Pointer
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; Output: (none)
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rts
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string_count:
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; String Count
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; Counts the Characters in the given String
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; Input:
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; X => LOW Memory Pointer
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; Y => HIGH Memory Pointer
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; Output:
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; A <= Count
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rts
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string_flip:
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; String Flip
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; Reverses the given String
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; Input:
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; X => LOW Memory Pointer
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; Y => HIGH Memory Pointer
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; Output: (none)
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rts
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string_contains:
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; String Contains
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; Checks if a String is contained in the given String
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; Input:
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; K0 => LOW Memory Pointer Shorter String
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; K1 => HIGH Memory Pointer Shorter String
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; X => LOW Memory Pointer Longer String
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; Y => HIGH Memory Pointer Longer String
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; Output:
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; A <= 0 if False, 1 if True
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rts
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string_equals:
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; String Equals
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; Checks if a String is equal to the given String
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; Input:
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; K0 => LOW Memory Pointer String A
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; K1 => HIGH Memory Pointer String A
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; X => LOW Memory Pointer String B
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; Y => HIGH Memory Pointer String B
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; Output:
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; A <= 0 if False, 1 if True
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rts
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is_string:
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; Is String
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; Checks if the given String contains valid Chars
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; Input:
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; X => LOW Memory Pointer
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; Y => HIGH Memory Pointer
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; A => Max. String Length
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; Output:
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; A <= 0 if False, 1 if True
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rts
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@ -1,5 +1,5 @@
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video_write
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video_write:
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; Video Write (string)
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; String will be written from a Pointer,
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; without a new line at the end
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@ -13,7 +13,7 @@ video_write
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rts
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video_write_static
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video_write_static:
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; Video Write Static (string)
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; String will be written wich follows after
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; the JSR call without a new line at the end
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@ -24,7 +24,7 @@ video_write_static
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rts
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video_writeline
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video_writeline:
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; Video Writeline (string)
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; Same as "video_write", except at
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; the end, a new line begins
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@ -38,7 +38,7 @@ video_writeline
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rts
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video_writeline_static
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video_writeline_static:
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; Video Writeline Static (string)
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; Same as "video_write_static", except at
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; the end, a new line begins
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@ -49,7 +49,7 @@ video_writeline_static
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rts
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video_set_color
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video_set_color:
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; Video Set Color
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; Sets the color, of the content
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; that will be written, following
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@ -62,7 +62,7 @@ video_set_color
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rts
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video_set_foreground
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video_set_foreground:
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; Video Set Foreground
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; Sets the Foreground color
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@ -74,7 +74,7 @@ video_set_foreground
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rts
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video_set_background
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video_set_background:
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; Video Set Background
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; Sets the Background color
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@ -86,7 +86,7 @@ video_set_background
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rts
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video_read_line
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video_read_line:
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; Video Read Line
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; Loops, till the Return key is pressed
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; Output is stored in $300 => "Typebuffer"
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@ -97,7 +97,7 @@ video_read_line
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rts
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video_read_char
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video_read_char:
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; Video Read Char
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; Loops, till a Key is pressed
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@ -109,7 +109,7 @@ video_read_char
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rts
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video_set_cursor
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video_set_cursor:
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; Video Set Cursor
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; Sets the Cursor Location
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@ -122,7 +122,7 @@ video_set_cursor
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rts
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video_get_cursor
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video_get_cursor:
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; Video Get Cursor
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; Gets the Cursor Location
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@ -135,7 +135,7 @@ video_get_cursor
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rts
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video_return
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video_return:
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; Video Return
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; Sets the Cursor to it's line starting Position
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; and if nessesary, scrolls it up and prints the Start Text
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@ -146,7 +146,7 @@ video_return
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rts
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video_scroll
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video_scroll:
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; Video Scroll
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; Scrolls the screen in the given direction
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@ -174,14 +174,14 @@ video_scroll
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rts
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video_clear
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video_clear:
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; Video Clear
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; Clears the Screen blank, with the normal Color
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rts
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video_reset_color
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video_reset_color:
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; Video Reset Color
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; Resets the Color to it's initial state
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@ -191,7 +191,7 @@ video_reset_color
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rts
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video_reset
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video_reset:
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; Video Reset
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; Resets the Video Display
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; to it's initial state, i.e
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@ -203,7 +203,7 @@ video_reset
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rts
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video_load_font
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video_load_font:
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; Video Load Font
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; Loads a 2k BitMap font from a Pointer to VRAM
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@ -8,10 +8,10 @@ z1 = $1 ; 8 bit
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irq_a = $200 ; 8 bit (internal) IRQ Variable Save
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irq_x = $201 ; 8 bit (internal)
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irq_y = $202 ; 8 bit (internal)
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irq_vector = $203 ; 16 bit IRQ 16 bit Jump Vector
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irq_vector = $203 ; 16 bit (internal) IRQ 16 bit Jump Vector
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k0 = $205 ; 8 bit General Purpose Registers
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k1 = $206 ; 8 bit ...
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k0 = $205 ; 8 bit General Purpose Kernel Registers,
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k1 = $206 ; 8 bit usually used as Carry for Sub-Routines
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k2 = $207 ; 8 bit
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k3 = $208 ; 8 bit
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k4 = $209 ; 8 bit
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@ -38,12 +38,14 @@ cursor_delay_count = $21b ; 8 bit (internal)
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cursor_delay_switch = $21c ; 8 bit (internal)
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soft_system_register = $21d ; 8 bit (internal)
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color = $21e ; 8 bit Fore & Background Color
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typelength = $21f ; 8 bit Length of typebuffer
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color = $2fe ; 8 bit Fore & Background Color
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kernel_stack = $280 ; 256 bytes 256 byte, Kernel Stack, used for offloading Registers
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typelength = $2ff ; 8 bit Length of typebuffer
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typebuffer = $300 ; 256 byte 256 bit, All Purpose Char Buffer
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typebuffer = $380 ; 256 bytes 256 byte, All Purpose Char Buffer
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; END => $480
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; Hardware Registers
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@ -65,3 +67,26 @@ ier = $bf8e ; 8 bit
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keyboard_port = $bd00 ; 8 bit Keyboard Scan-Row Input
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system_register = $bc00 ; 8 bit System Register
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;-----------------------------------------------------------------------------------------------
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; Memory Map
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;-----------------------------------------------------------------------------------------------
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; $00-$ff: Mostly free Zero page, except for $00 and $01
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;-----------------------------------------------------------------------------------------------
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; $100-$1ff: Stack
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;-----------------------------------------------------------------------------------------------
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; $200-$27f: Kernel Variables
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;-----------------------------------------------------------------------------------------------
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; $280-$37f: Kernel Stack
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;-----------------------------------------------------------------------------------------------
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; $380-$47f: Typebuffer
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;-----------------------------------------------------------------------------------------------
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;
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;-----------------------------------------------------------------------------------------------
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;
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;-----------------------------------------------------------------------------------------------
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Block a user