mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-06-10 10:29:36 +00:00
334 lines
9.2 KiB
Plaintext
334 lines
9.2 KiB
Plaintext
Resolved forward reference irq to __interrupt(rom_sys_c64) void irq()
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CONTROL FLOW GRAPH SSA
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void main()
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main: scope:[main] from __start
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asm { sei }
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*CIA1_INTERRUPT = CIA_INTERRUPT_CLEAR
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*VICII_CONTROL = *VICII_CONTROL | $80
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*RASTER = 0
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*IRQ_ENABLE = IRQ_RASTER
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*KERNEL_IRQ = &irq
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asm { cli }
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to:main::@return
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main::@return: scope:[main] from main
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return
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to:@return
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__interrupt(rom_sys_c64) void irq()
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irq: scope:[irq] from
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*BG_COLOR = WHITE
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*BG_COLOR = BLACK
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*IRQ_STATUS = IRQ_RASTER
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to:irq::@return
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irq::@return: scope:[irq] from irq
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return
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to:@return
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void __start()
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__start: scope:[__start] from
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call main
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to:__start::@1
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__start::@1: scope:[__start] from __start
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to:__start::@return
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__start::@return: scope:[__start] from __start::@1
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return
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to:@return
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SYMBOL TABLE SSA
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const nomodify byte* BG_COLOR = (byte*)$d020
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const nomodify byte BLACK = 0
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const nomodify byte* CIA1_INTERRUPT = (byte*)$dc0d
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const nomodify byte CIA_INTERRUPT_CLEAR = $7f
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const nomodify byte* IRQ_ENABLE = (byte*)$d01a
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const nomodify byte IRQ_RASTER = 1
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const nomodify byte* IRQ_STATUS = (byte*)$d019
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const nomodify void()** KERNEL_IRQ = (void()**)$314
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const nomodify byte* RASTER = (byte*)$d012
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const nomodify byte* VICII_CONTROL = (byte*)$d011
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const nomodify byte WHITE = 1
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void __start()
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__interrupt(rom_sys_c64) void irq()
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void main()
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Adding number conversion cast (unumber) $80 in *VICII_CONTROL = *VICII_CONTROL | $80
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Adding number conversion cast (unumber) 0 in *RASTER = 0
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Successful SSA optimization PassNAddNumberTypeConversions
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Inlining cast *RASTER = (unumber)0
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Successful SSA optimization Pass2InlineCast
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Simplifying constant pointer cast (void()**) 788
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Simplifying constant pointer cast (byte*) 53266
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Simplifying constant pointer cast (byte*) 53265
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Simplifying constant pointer cast (byte*) 53273
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Simplifying constant pointer cast (byte*) 53274
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Simplifying constant pointer cast (byte*) 53280
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Simplifying constant pointer cast (byte*) 56333
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Simplifying constant integer cast $80
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Simplifying constant integer cast 0
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (byte) $80
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Finalized unsigned number type (byte) 0
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Removing unused procedure __start
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Removing unused procedure block __start
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Removing unused procedure block __start::@1
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Removing unused procedure block __start::@return
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Successful SSA optimization PassNEliminateEmptyStart
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CALL GRAPH
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Created 0 initial phi equivalence classes
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Coalesced down to 0 phi equivalence classes
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FINAL CONTROL FLOW GRAPH
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__interrupt(rom_sys_c64) void irq()
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irq: scope:[irq] from
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[0] *BG_COLOR = WHITE
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[1] *BG_COLOR = BLACK
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[2] *IRQ_STATUS = IRQ_RASTER
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to:irq::@return
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irq::@return: scope:[irq] from irq
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[3] return
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to:@return
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void main()
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main: scope:[main] from
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asm { sei }
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[5] *CIA1_INTERRUPT = CIA_INTERRUPT_CLEAR
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[6] *VICII_CONTROL = *VICII_CONTROL | $80
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[7] *RASTER = 0
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[8] *IRQ_ENABLE = IRQ_RASTER
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[9] *KERNEL_IRQ = &irq
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asm { cli }
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to:main::@return
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main::@return: scope:[main] from main
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[11] return
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to:@return
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VARIABLE REGISTER WEIGHTS
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__interrupt(rom_sys_c64) void irq()
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void main()
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Initial phi equivalence classes
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Complete equivalence classes
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REGISTER UPLIFT POTENTIAL REGISTERS
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Statement [0] *BG_COLOR = WHITE [ ] ( [ ] { } ) always clobbers reg byte a
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Statement [1] *BG_COLOR = BLACK [ ] ( [ ] { } ) always clobbers reg byte a
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Statement [2] *IRQ_STATUS = IRQ_RASTER [ ] ( [ ] { } ) always clobbers reg byte a
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Statement [5] *CIA1_INTERRUPT = CIA_INTERRUPT_CLEAR [ ] ( [ ] { } ) always clobbers reg byte a
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Statement [6] *VICII_CONTROL = *VICII_CONTROL | $80 [ ] ( [ ] { } ) always clobbers reg byte a
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Statement [7] *RASTER = 0 [ ] ( [ ] { } ) always clobbers reg byte a
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Statement [8] *IRQ_ENABLE = IRQ_RASTER [ ] ( [ ] { } ) always clobbers reg byte a
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Statement [9] *KERNEL_IRQ = &irq [ ] ( [ ] { } ) always clobbers reg byte a
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REGISTER UPLIFT SCOPES
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Uplift Scope [main]
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Uplift Scope [irq]
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Uplift Scope []
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Uplifting [main] best 104 combination
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Uplifting [irq] best 104 combination
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Uplifting [] best 104 combination
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ASSEMBLER BEFORE OPTIMIZATION
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// File Comments
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// A minimal working raster IRQ
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// Upstart
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// Commodore 64 PRG executable file
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.file [name="irq-kernel.prg", type="prg", segments="Program"]
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.segmentdef Program [segments="Basic, Code, Data"]
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.segmentdef Basic [start=$0801]
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.segmentdef Code [start=$80d]
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.segmentdef Data [startAfter="Code"]
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.segment Basic
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:BasicUpstart(main)
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// Global Constants & labels
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.const IRQ_RASTER = 1
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.const WHITE = 1
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.const BLACK = 0
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.const CIA_INTERRUPT_CLEAR = $7f
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.label KERNEL_IRQ = $314
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.label RASTER = $d012
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.label VICII_CONTROL = $d011
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.label IRQ_STATUS = $d019
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.label IRQ_ENABLE = $d01a
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.label BG_COLOR = $d020
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.label CIA1_INTERRUPT = $dc0d
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.segment Code
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// irq
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// Interrupt Routine
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irq: {
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// interrupt(isr_rom_sys_c64_entry) -- isr_rom_sys_c64_entry
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// [0] *BG_COLOR = WHITE -- _deref_pbuc1=vbuc2
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lda #WHITE
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sta BG_COLOR
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// [1] *BG_COLOR = BLACK -- _deref_pbuc1=vbuc2
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lda #BLACK
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sta BG_COLOR
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// [2] *IRQ_STATUS = IRQ_RASTER -- _deref_pbuc1=vbuc2
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// Acknowledge the IRQ
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lda #IRQ_RASTER
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sta IRQ_STATUS
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jmp __breturn
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// irq::@return
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__breturn:
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// [3] return
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// interrupt(isr_rom_sys_c64_exit) -- isr_rom_sys_c64_exit
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jmp $ea31
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}
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// main
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main: {
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// asm { sei }
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sei
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// [5] *CIA1_INTERRUPT = CIA_INTERRUPT_CLEAR -- _deref_pbuc1=vbuc2
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// Disable CIA 1 Timer IRQ
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lda #CIA_INTERRUPT_CLEAR
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sta CIA1_INTERRUPT
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// [6] *VICII_CONTROL = *VICII_CONTROL | $80 -- _deref_pbuc1=_deref_pbuc1_bor_vbuc2
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// Set raster line to $100
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lda #$80
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ora VICII_CONTROL
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sta VICII_CONTROL
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// [7] *RASTER = 0 -- _deref_pbuc1=vbuc2
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lda #0
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sta RASTER
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// [8] *IRQ_ENABLE = IRQ_RASTER -- _deref_pbuc1=vbuc2
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// Enable Raster Interrupt
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lda #IRQ_RASTER
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sta IRQ_ENABLE
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// [9] *KERNEL_IRQ = &irq -- _deref_qprc1=pprc2
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// Set the IRQ routine
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lda #<irq
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sta KERNEL_IRQ
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lda #>irq
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sta KERNEL_IRQ+1
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// asm { cli }
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cli
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jmp __breturn
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// main::@return
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__breturn:
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// [11] return
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rts
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}
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// File Data
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ASSEMBLER OPTIMIZATIONS
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Removing instruction jmp __breturn
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Removing instruction jmp __breturn
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Succesful ASM optimization Pass5NextJumpElimination
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Removing instruction __breturn:
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Removing instruction __breturn:
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Succesful ASM optimization Pass5UnusedLabelElimination
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FINAL SYMBOL TABLE
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const nomodify byte* BG_COLOR = (byte*) 53280
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const nomodify byte BLACK = 0
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const nomodify byte* CIA1_INTERRUPT = (byte*) 56333
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const nomodify byte CIA_INTERRUPT_CLEAR = $7f
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const nomodify byte* IRQ_ENABLE = (byte*) 53274
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const nomodify byte IRQ_RASTER = 1
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const nomodify byte* IRQ_STATUS = (byte*) 53273
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const nomodify void()** KERNEL_IRQ = (void()**) 788
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const nomodify byte* RASTER = (byte*) 53266
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const nomodify byte* VICII_CONTROL = (byte*) 53265
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const nomodify byte WHITE = 1
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__interrupt(rom_sys_c64) void irq()
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void main()
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FINAL ASSEMBLER
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Score: 98
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// File Comments
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// A minimal working raster IRQ
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// Upstart
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// Commodore 64 PRG executable file
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.file [name="irq-kernel.prg", type="prg", segments="Program"]
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.segmentdef Program [segments="Basic, Code, Data"]
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.segmentdef Basic [start=$0801]
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.segmentdef Code [start=$80d]
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.segmentdef Data [startAfter="Code"]
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.segment Basic
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:BasicUpstart(main)
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// Global Constants & labels
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.const IRQ_RASTER = 1
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.const WHITE = 1
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.const BLACK = 0
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.const CIA_INTERRUPT_CLEAR = $7f
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.label KERNEL_IRQ = $314
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.label RASTER = $d012
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.label VICII_CONTROL = $d011
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.label IRQ_STATUS = $d019
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.label IRQ_ENABLE = $d01a
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.label BG_COLOR = $d020
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.label CIA1_INTERRUPT = $dc0d
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.segment Code
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// irq
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// Interrupt Routine
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irq: {
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// interrupt(isr_rom_sys_c64_entry) -- isr_rom_sys_c64_entry
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// *BG_COLOR = WHITE
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// [0] *BG_COLOR = WHITE -- _deref_pbuc1=vbuc2
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lda #WHITE
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sta BG_COLOR
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// *BG_COLOR = BLACK
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// [1] *BG_COLOR = BLACK -- _deref_pbuc1=vbuc2
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lda #BLACK
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sta BG_COLOR
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// *IRQ_STATUS = IRQ_RASTER
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// [2] *IRQ_STATUS = IRQ_RASTER -- _deref_pbuc1=vbuc2
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// Acknowledge the IRQ
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lda #IRQ_RASTER
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sta IRQ_STATUS
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// irq::@return
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// }
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// [3] return
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// interrupt(isr_rom_sys_c64_exit) -- isr_rom_sys_c64_exit
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jmp $ea31
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}
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// main
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main: {
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// asm
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// asm { sei }
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sei
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// *CIA1_INTERRUPT = CIA_INTERRUPT_CLEAR
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// [5] *CIA1_INTERRUPT = CIA_INTERRUPT_CLEAR -- _deref_pbuc1=vbuc2
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// Disable CIA 1 Timer IRQ
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lda #CIA_INTERRUPT_CLEAR
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sta CIA1_INTERRUPT
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// *VICII_CONTROL |=$80
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// [6] *VICII_CONTROL = *VICII_CONTROL | $80 -- _deref_pbuc1=_deref_pbuc1_bor_vbuc2
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// Set raster line to $100
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lda #$80
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ora VICII_CONTROL
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sta VICII_CONTROL
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// *RASTER = $00
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// [7] *RASTER = 0 -- _deref_pbuc1=vbuc2
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lda #0
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sta RASTER
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// *IRQ_ENABLE = IRQ_RASTER
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// [8] *IRQ_ENABLE = IRQ_RASTER -- _deref_pbuc1=vbuc2
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// Enable Raster Interrupt
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lda #IRQ_RASTER
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sta IRQ_ENABLE
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// *KERNEL_IRQ = &irq
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// [9] *KERNEL_IRQ = &irq -- _deref_qprc1=pprc2
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// Set the IRQ routine
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lda #<irq
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sta KERNEL_IRQ
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lda #>irq
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sta KERNEL_IRQ+1
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// asm
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// asm { cli }
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cli
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// main::@return
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// }
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// [11] return
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rts
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}
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// File Data
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