357 lines
5.1 KiB
Plaintext
357 lines
5.1 KiB
Plaintext
reset:
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br always >main
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nop
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hardfault:
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reti
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nop
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memfault:
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reti
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nop
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.align
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scrolling_addr: .word 0x000F00A0
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scrolling_count_addr: .word 0x000F00A4
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scrolling_cnt_value: .word 0x20FC000 // for real board
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// scrolling_cnt_value: .word 0x100 // for simulation
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w_cnt_top: .word 0x3FC000 // for real board
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// w_cnt_top: .word 0x100 //for simulation
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// pattern1:
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// .word 0x01030204
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// .word 0x05070608
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// .word 0x090B0A0C
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// .word 0x0D0F0E00
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//
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// pattern2:
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// .word 0x0F0E0E0B
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// .word 0x0D0A0E0D
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//
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// pattern3:
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// .word 0x01
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//
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// pattern4:
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// .word 0x021003
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//
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// pattern5:
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// .word 0x00100010
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// .word 0x00100010
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// .word 0x00
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write_mask:
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.word 0x1000000
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clear_mask:
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.word 0x100
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main:
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ldr r8, >w_cnt_top
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ldr r0, >scrolling_addr
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ldr r1, >write_mask
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ldr r2, >clear_mask
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number_loop:
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// Set scrolling speed
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ldr r5, >scrolling_count_addr
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ldr r7, >scrolling_cnt_value
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st32 r5, r7
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// --------- 132457689BACDFE0 ---------
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clr r4
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addi r4, 0x1
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lsh r4, r4, 16
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or r4, r4, r1
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st32 r0, r4
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clr r4
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addi r4, 0x3
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lsh r4, r4, 16
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or r4, r4, r1
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st32 r0, r4
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clr r4
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addi r4, 0x2
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lsh r4, r4, 16
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or r4, r4, r1
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st32 r0, r4
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clr r4
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addi r4, 0x4
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lsh r4, r4, 16
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or r4, r4, r1
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st32 r0, r4
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clr r4
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addi r4, 0x5
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lsh r4, r4, 16
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or r4, r4, r1
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st32 r0, r4
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clr r4
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addi r4, 0x7
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lsh r4, r4, 16
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or r4, r4, r1
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st32 r0, r4
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clr r4
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addi r4, 0x6
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lsh r4, r4, 16
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or r4, r4, r1
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st32 r0, r4
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clr r4
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addi r4, 0x8
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lsh r4, r4, 16
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or r4, r4, r1
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st32 r0, r4
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clr r4
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addi r4, 0x9
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lsh r4, r4, 16
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or r4, r4, r1
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st32 r0, r4
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clr r4
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addi r4, 0xB
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lsh r4, r4, 16
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or r4, r4, r1
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st32 r0, r4
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clr r4
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addi r4, 0xA
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lsh r4, r4, 16
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or r4, r4, r1
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st32 r0, r4
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clr r4
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addi r4, 0xC
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lsh r4, r4, 16
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or r4, r4, r1
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st32 r0, r4
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clr r4
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addi r4, 0xD
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lsh r4, r4, 16
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or r4, r4, r1
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st32 r0, r4
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clr r4
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addi r4, 0xF
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lsh r4, r4, 16
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or r4, r4, r1
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st32 r0, r4
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clr r4
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addi r4, 0xE
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lsh r4, r4, 16
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or r4, r4, r1
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st32 r0, r4
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clr r4
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addi r4, 0x0
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lsh r4, r4, 16
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or r4, r4, r1
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st32 r0, r4
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// Turn on
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clr r4
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addi r4, 0x1
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st32 r0, r4
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call >wait
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nop
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// Turn off
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clr r4
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addi r4, 0x1
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st32 r0, r4
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// Double scrolling speed
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// ldr r5, >scrolling_count_addr
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// ldr r7, >scrolling_cnt_value
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// rsh r7, r7, 1 // Divide by 2
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// st32 r5, r7
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// Clear
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clr r4
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or r4, r4, r2
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st32 r0, r4
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// --------- DEAD BEEF ---------
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clr r4
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addi r4, 0xF
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lsh r4, r4, 16
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or r4, r4, r1
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st32 r0, r4
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clr r4
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addi r4, 0xE
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lsh r4, r4, 16
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or r4, r4, r1
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st32 r0, r4
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clr r4
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addi r4, 0xE
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lsh r4, r4, 16
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or r4, r4, r1
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st32 r0, r4
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clr r4
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addi r4, 0xB
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lsh r4, r4, 16
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or r4, r4, r1
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st32 r0, r4
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clr r4
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addi r4, 0x10
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lsh r4, r4, 16
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or r4, r4, r1
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st32 r0, r4
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clr r4
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addi r4, 0xD
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lsh r4, r4, 16
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or r4, r4, r1
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st32 r0, r4
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clr r4
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addi r4, 0xA
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lsh r4, r4, 16
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or r4, r4, r1
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st32 r0, r4
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clr r4
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addi r4, 0xE
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lsh r4, r4, 16
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or r4, r4, r1
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st32 r0, r4
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clr r4
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addi r4, 0xD
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lsh r4, r4, 16
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or r4, r4, r1
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st32 r0, r4
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// Turn on
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clr r4
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addi r4, 0x1
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st32 r0, r4
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call >wait
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nop
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// Turn off
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clr r4
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addi r4, 0x1
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st32 r0, r4
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// Clear
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clr r4
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or r4, r4, r2
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st32 r0, r4
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// --------- 1 ---------
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clr r4
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addi r4, 0x1
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lsh r4, r4, 16
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or r4, r4, r1
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st32 r0, r4
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// Turn on
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clr r4
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addi r4, 0x1
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st32 r0, r4
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call >wait
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nop
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// Turn off
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clr r4
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addi r4, 0x1
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st32 r0, r4
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// Clear
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clr r4
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or r4, r4, r2
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st32 r0, r4
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// --------- 2 3 ---------
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clr r4
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addi r4, 0x3
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lsh r4, r4, 16
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or r4, r4, r1
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st32 r0, r4
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clr r4
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addi r4, 0x2
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lsh r4, r4, 16
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or r4, r4, r1
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st32 r0, r4
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// Turn on
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clr r4
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addi r4, 0x1
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st32 r0, r4
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call >wait
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nop
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// Turn off
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clr r4
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addi r4, 0x1
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st32 r0, r4
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// Clear
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clr r4
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or r4, r4, r2
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st32 r0, r4
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// --------- 0 0 0 0 0 ---------
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clr r4
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addi r4, 0x0
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lsh r4, r4, 16
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or r4, r4, r1
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st32 r0, r4
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clr r4
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addi r4, 0x0
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lsh r4, r4, 16
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or r4, r4, r1
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st32 r0, r4
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// Turn on
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clr r4
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addi r4, 0x1
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st32 r0, r4
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call >wait
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nop
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// Turn off
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clr r4
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addi r4, 0x1
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st32 r0, r4
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br always >reset
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nop
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//subroutine to iterate until counter overflow
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wait:
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clr r7 //inititalize inner counter
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clr r6 // outer counter
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clr r9
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addi r9, 0x7F
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inc_o:
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clr r7
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inc_i:
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cmp neq r7,r8
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br true >inc_i //if i=cnt_top
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addi r7,1
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cmp neq r6,r9 // else, if i=cnt_outer
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br true >inc_o
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addi r6,1 // else
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ret
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nop
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