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kickc/src/test/ref/danny-joystick-problem.log

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Inlined call (byte~) vicSelectGfxBank::$0 ← call toDd00 (byte*) vicSelectGfxBank::gfx
CONTROL FLOW GRAPH SSA
@begin: scope:[] from
to:@1
(void()) main()
main: scope:[main] from @1
*((byte*)(const nomodify struct MOS6526_CIA*) CIA2+(const byte) OFFSET_STRUCT_MOS6526_CIA_PORT_B) ← *((byte*)(const nomodify struct MOS6526_CIA*) CIA2+(const byte) OFFSET_STRUCT_MOS6526_CIA_PORT_B) & (number) $7f
asm { lda#0 }
(byte) main::port4Value#0 ← *((byte*)(const nomodify struct MOS6526_CIA*) CIA2+(const byte) OFFSET_STRUCT_MOS6526_CIA_PORT_B)
*((const nomodify byte*) SCREEN) ← (byte) main::port4Value#0
to:main::@return
main::@return: scope:[main] from main
return
to:@return
@1: scope:[] from @begin
call main
to:@2
@2: scope:[] from @1
to:@end
@end: scope:[] from @2
SYMBOL TABLE SSA
(label) @1
(label) @2
(label) @begin
(label) @end
(const nomodify struct MOS6526_CIA*) CIA2 = (struct MOS6526_CIA*)(number) $dd00
(byte) MOS6526_CIA::INTERRUPT
(byte) MOS6526_CIA::PORT_A
(byte) MOS6526_CIA::PORT_A_DDR
(byte) MOS6526_CIA::PORT_B
(byte) MOS6526_CIA::PORT_B_DDR
(byte) MOS6526_CIA::SERIAL_DATA
(word) MOS6526_CIA::TIMER_A
(byte) MOS6526_CIA::TIMER_A_CONTROL
(word) MOS6526_CIA::TIMER_B
(byte) MOS6526_CIA::TIMER_B_CONTROL
(byte) MOS6526_CIA::TOD_10THS
(byte) MOS6526_CIA::TOD_HOURS
(byte) MOS6526_CIA::TOD_MIN
(byte) MOS6526_CIA::TOD_SEC
(byte) MOS6569_VICII::BG_COLOR
(byte) MOS6569_VICII::BG_COLOR1
(byte) MOS6569_VICII::BG_COLOR2
(byte) MOS6569_VICII::BG_COLOR3
(byte) MOS6569_VICII::BORDER_COLOR
(byte) MOS6569_VICII::CONTROL1
(byte) MOS6569_VICII::CONTROL2
(byte) MOS6569_VICII::IRQ_ENABLE
(byte) MOS6569_VICII::IRQ_STATUS
(byte) MOS6569_VICII::LIGHTPEN_X
(byte) MOS6569_VICII::LIGHTPEN_Y
(byte) MOS6569_VICII::MEMORY
(byte) MOS6569_VICII::RASTER
(byte) MOS6569_VICII::SPRITE0_COLOR
(byte) MOS6569_VICII::SPRITE0_X
(byte) MOS6569_VICII::SPRITE0_Y
(byte) MOS6569_VICII::SPRITE1_COLOR
(byte) MOS6569_VICII::SPRITE1_X
(byte) MOS6569_VICII::SPRITE1_Y
(byte) MOS6569_VICII::SPRITE2_COLOR
(byte) MOS6569_VICII::SPRITE2_X
(byte) MOS6569_VICII::SPRITE2_Y
(byte) MOS6569_VICII::SPRITE3_COLOR
(byte) MOS6569_VICII::SPRITE3_X
(byte) MOS6569_VICII::SPRITE3_Y
(byte) MOS6569_VICII::SPRITE4_COLOR
(byte) MOS6569_VICII::SPRITE4_X
(byte) MOS6569_VICII::SPRITE4_Y
(byte) MOS6569_VICII::SPRITE5_COLOR
(byte) MOS6569_VICII::SPRITE5_X
(byte) MOS6569_VICII::SPRITE5_Y
(byte) MOS6569_VICII::SPRITE6_COLOR
(byte) MOS6569_VICII::SPRITE6_X
(byte) MOS6569_VICII::SPRITE6_Y
(byte) MOS6569_VICII::SPRITE7_COLOR
(byte) MOS6569_VICII::SPRITE7_X
(byte) MOS6569_VICII::SPRITE7_Y
(byte) MOS6569_VICII::SPRITES_BG_COLLISION
(byte) MOS6569_VICII::SPRITES_COLLISION
(byte) MOS6569_VICII::SPRITES_ENABLE
(byte) MOS6569_VICII::SPRITES_EXPAND_X
(byte) MOS6569_VICII::SPRITES_EXPAND_Y
(byte) MOS6569_VICII::SPRITES_MC
(byte) MOS6569_VICII::SPRITES_MCOLOR1
(byte) MOS6569_VICII::SPRITES_MCOLOR2
(byte) MOS6569_VICII::SPRITES_PRIORITY
(byte) MOS6569_VICII::SPRITES_XMSB
(byte) MOS6581_SID::CH1_ATTACK_DECAY
(byte) MOS6581_SID::CH1_CONTROL
(word) MOS6581_SID::CH1_FREQ
(word) MOS6581_SID::CH1_PULSE_WIDTH
(byte) MOS6581_SID::CH1_SUSTAIN_RELEASE
(byte) MOS6581_SID::CH2_ATTACK_DECAY
(byte) MOS6581_SID::CH2_CONTROL
(word) MOS6581_SID::CH2_FREQ
(word) MOS6581_SID::CH2_PULSE_WIDTH
(byte) MOS6581_SID::CH2_SUSTAIN_RELEASE
(byte) MOS6581_SID::CH3_ATTACK_DECAY
(byte) MOS6581_SID::CH3_CONTROL
(byte) MOS6581_SID::CH3_ENV
(word) MOS6581_SID::CH3_FREQ
(byte) MOS6581_SID::CH3_OSC
(word) MOS6581_SID::CH3_PULSE_WIDTH
(byte) MOS6581_SID::CH3_SUSTAIN_RELEASE
(byte) MOS6581_SID::FILTER_CUTOFF_HIGH
(byte) MOS6581_SID::FILTER_CUTOFF_LOW
(byte) MOS6581_SID::FILTER_SETUP
(byte) MOS6581_SID::POT_X
(byte) MOS6581_SID::POT_Y
(byte) MOS6581_SID::VOLUME_FILTER_MODE
(const byte) OFFSET_STRUCT_MOS6526_CIA_PORT_B = (byte) 1
(const nomodify byte*) SCREEN = (byte*)(number) $400
(void()) main()
(label) main::@return
(byte) main::port4Value
(byte) main::port4Value#0
Adding number conversion cast (unumber) $7f in *((byte*)(const nomodify struct MOS6526_CIA*) CIA2+(const byte) OFFSET_STRUCT_MOS6526_CIA_PORT_B) ← *((byte*)(const nomodify struct MOS6526_CIA*) CIA2+(const byte) OFFSET_STRUCT_MOS6526_CIA_PORT_B) & (number) $7f
Successful SSA optimization PassNAddNumberTypeConversions
Simplifying constant pointer cast (struct MOS6526_CIA*) 56576
Simplifying constant pointer cast (byte*) 1024
Simplifying constant integer cast $7f
Successful SSA optimization PassNCastSimplification
Finalized unsigned number type (byte) $7f
Successful SSA optimization PassNFinalizeNumberTypeConversions
Adding NOP phi() at start of @begin
Adding NOP phi() at start of @1
Adding NOP phi() at start of @2
Adding NOP phi() at start of @end
CALL GRAPH
Calls in [] to main:2
Created 0 initial phi equivalence classes
Coalesced down to 0 phi equivalence classes
Culled Empty Block (label) @2
Adding NOP phi() at start of @begin
Adding NOP phi() at start of @1
Adding NOP phi() at start of @end
FINAL CONTROL FLOW GRAPH
@begin: scope:[] from
[0] phi()
to:@1
@1: scope:[] from @begin
[1] phi()
[2] call main
to:@end
@end: scope:[] from @1
[3] phi()
(void()) main()
main: scope:[main] from @1
[4] *((byte*)(const nomodify struct MOS6526_CIA*) CIA2+(const byte) OFFSET_STRUCT_MOS6526_CIA_PORT_B) ← *((byte*)(const nomodify struct MOS6526_CIA*) CIA2+(const byte) OFFSET_STRUCT_MOS6526_CIA_PORT_B) & (byte) $7f
asm { lda#0 }
[6] (byte) main::port4Value#0 ← *((byte*)(const nomodify struct MOS6526_CIA*) CIA2+(const byte) OFFSET_STRUCT_MOS6526_CIA_PORT_B)
[7] *((const nomodify byte*) SCREEN) ← (byte) main::port4Value#0
to:main::@return
main::@return: scope:[main] from main
[8] return
to:@return
VARIABLE REGISTER WEIGHTS
(byte) MOS6526_CIA::INTERRUPT
(byte) MOS6526_CIA::PORT_A
(byte) MOS6526_CIA::PORT_A_DDR
(byte) MOS6526_CIA::PORT_B
(byte) MOS6526_CIA::PORT_B_DDR
(byte) MOS6526_CIA::SERIAL_DATA
(word) MOS6526_CIA::TIMER_A
(byte) MOS6526_CIA::TIMER_A_CONTROL
(word) MOS6526_CIA::TIMER_B
(byte) MOS6526_CIA::TIMER_B_CONTROL
(byte) MOS6526_CIA::TOD_10THS
(byte) MOS6526_CIA::TOD_HOURS
(byte) MOS6526_CIA::TOD_MIN
(byte) MOS6526_CIA::TOD_SEC
(byte) MOS6569_VICII::BG_COLOR
(byte) MOS6569_VICII::BG_COLOR1
(byte) MOS6569_VICII::BG_COLOR2
(byte) MOS6569_VICII::BG_COLOR3
(byte) MOS6569_VICII::BORDER_COLOR
(byte) MOS6569_VICII::CONTROL1
(byte) MOS6569_VICII::CONTROL2
(byte) MOS6569_VICII::IRQ_ENABLE
(byte) MOS6569_VICII::IRQ_STATUS
(byte) MOS6569_VICII::LIGHTPEN_X
(byte) MOS6569_VICII::LIGHTPEN_Y
(byte) MOS6569_VICII::MEMORY
(byte) MOS6569_VICII::RASTER
(byte) MOS6569_VICII::SPRITE0_COLOR
(byte) MOS6569_VICII::SPRITE0_X
(byte) MOS6569_VICII::SPRITE0_Y
(byte) MOS6569_VICII::SPRITE1_COLOR
(byte) MOS6569_VICII::SPRITE1_X
(byte) MOS6569_VICII::SPRITE1_Y
(byte) MOS6569_VICII::SPRITE2_COLOR
(byte) MOS6569_VICII::SPRITE2_X
(byte) MOS6569_VICII::SPRITE2_Y
(byte) MOS6569_VICII::SPRITE3_COLOR
(byte) MOS6569_VICII::SPRITE3_X
(byte) MOS6569_VICII::SPRITE3_Y
(byte) MOS6569_VICII::SPRITE4_COLOR
(byte) MOS6569_VICII::SPRITE4_X
(byte) MOS6569_VICII::SPRITE4_Y
(byte) MOS6569_VICII::SPRITE5_COLOR
(byte) MOS6569_VICII::SPRITE5_X
(byte) MOS6569_VICII::SPRITE5_Y
(byte) MOS6569_VICII::SPRITE6_COLOR
(byte) MOS6569_VICII::SPRITE6_X
(byte) MOS6569_VICII::SPRITE6_Y
(byte) MOS6569_VICII::SPRITE7_COLOR
(byte) MOS6569_VICII::SPRITE7_X
(byte) MOS6569_VICII::SPRITE7_Y
(byte) MOS6569_VICII::SPRITES_BG_COLLISION
(byte) MOS6569_VICII::SPRITES_COLLISION
(byte) MOS6569_VICII::SPRITES_ENABLE
(byte) MOS6569_VICII::SPRITES_EXPAND_X
(byte) MOS6569_VICII::SPRITES_EXPAND_Y
(byte) MOS6569_VICII::SPRITES_MC
(byte) MOS6569_VICII::SPRITES_MCOLOR1
(byte) MOS6569_VICII::SPRITES_MCOLOR2
(byte) MOS6569_VICII::SPRITES_PRIORITY
(byte) MOS6569_VICII::SPRITES_XMSB
(byte) MOS6581_SID::CH1_ATTACK_DECAY
(byte) MOS6581_SID::CH1_CONTROL
(word) MOS6581_SID::CH1_FREQ
(word) MOS6581_SID::CH1_PULSE_WIDTH
(byte) MOS6581_SID::CH1_SUSTAIN_RELEASE
(byte) MOS6581_SID::CH2_ATTACK_DECAY
(byte) MOS6581_SID::CH2_CONTROL
(word) MOS6581_SID::CH2_FREQ
(word) MOS6581_SID::CH2_PULSE_WIDTH
(byte) MOS6581_SID::CH2_SUSTAIN_RELEASE
(byte) MOS6581_SID::CH3_ATTACK_DECAY
(byte) MOS6581_SID::CH3_CONTROL
(byte) MOS6581_SID::CH3_ENV
(word) MOS6581_SID::CH3_FREQ
(byte) MOS6581_SID::CH3_OSC
(word) MOS6581_SID::CH3_PULSE_WIDTH
(byte) MOS6581_SID::CH3_SUSTAIN_RELEASE
(byte) MOS6581_SID::FILTER_CUTOFF_HIGH
(byte) MOS6581_SID::FILTER_CUTOFF_LOW
(byte) MOS6581_SID::FILTER_SETUP
(byte) MOS6581_SID::POT_X
(byte) MOS6581_SID::POT_Y
(byte) MOS6581_SID::VOLUME_FILTER_MODE
(void()) main()
(byte) main::port4Value
(byte) main::port4Value#0 22.0
Initial phi equivalence classes
Added variable main::port4Value#0 to live range equivalence class [ main::port4Value#0 ]
Complete equivalence classes
[ main::port4Value#0 ]
Allocated zp[1]:2 [ main::port4Value#0 ]
INITIAL ASM
Target platform is c64basic / MOS6502X
// File Comments
// Tests problem writing/reading joystick encountered by Danny Spijksma
// https://www.protovision.games/hardw/build4player.php?language=en&fbclid=IwAR1MJLgQjOU0zVa0ax2aNeGa-xVbE9IGY9zC6b6eInTV4HQzoUAoCPoXu14
// Upstart
.pc = $801 "Basic"
:BasicUpstart(main)
.pc = $80d "Program"
// Global Constants & labels
.const OFFSET_STRUCT_MOS6526_CIA_PORT_B = 1
// The CIA#2: Serial bus, RS-232, VIC memory bank
.label CIA2 = $dd00
.label SCREEN = $400
// @begin
__bbegin:
// [1] phi from @begin to @1 [phi:@begin->@1]
__b1_from___bbegin:
jmp __b1
// @1
__b1:
// [2] call main
jsr main
// [3] phi from @1 to @end [phi:@1->@end]
__bend_from___b1:
jmp __bend
// @end
__bend:
// main
main: {
.label port4Value = 2
// [4] *((byte*)(const nomodify struct MOS6526_CIA*) CIA2+(const byte) OFFSET_STRUCT_MOS6526_CIA_PORT_B) ← *((byte*)(const nomodify struct MOS6526_CIA*) CIA2+(const byte) OFFSET_STRUCT_MOS6526_CIA_PORT_B) & (byte) $7f -- _deref_pbuc1=_deref_pbuc1_band_vbuc2
lda #$7f
and CIA2+OFFSET_STRUCT_MOS6526_CIA_PORT_B
sta CIA2+OFFSET_STRUCT_MOS6526_CIA_PORT_B
// asm { lda#0 }
lda #0
// [6] (byte) main::port4Value#0 ← *((byte*)(const nomodify struct MOS6526_CIA*) CIA2+(const byte) OFFSET_STRUCT_MOS6526_CIA_PORT_B) -- vbuz1=_deref_pbuc1
lda CIA2+OFFSET_STRUCT_MOS6526_CIA_PORT_B
sta.z port4Value
// [7] *((const nomodify byte*) SCREEN) ← (byte) main::port4Value#0 -- _deref_pbuc1=vbuz1
lda.z port4Value
sta SCREEN
jmp __breturn
// main::@return
__breturn:
// [8] return
rts
}
// File Data
REGISTER UPLIFT POTENTIAL REGISTERS
Statement [4] *((byte*)(const nomodify struct MOS6526_CIA*) CIA2+(const byte) OFFSET_STRUCT_MOS6526_CIA_PORT_B) ← *((byte*)(const nomodify struct MOS6526_CIA*) CIA2+(const byte) OFFSET_STRUCT_MOS6526_CIA_PORT_B) & (byte) $7f [ ] ( main:2 [ ] { } ) always clobbers reg byte a
Statement asm { lda#0 } always clobbers reg byte a
Potential registers zp[1]:2 [ main::port4Value#0 ] : zp[1]:2 , reg byte a , reg byte x , reg byte y ,
REGISTER UPLIFT SCOPES
Uplift Scope [main] 22: zp[1]:2 [ main::port4Value#0 ]
Uplift Scope [MOS6526_CIA]
Uplift Scope [MOS6569_VICII]
Uplift Scope [MOS6581_SID]
Uplift Scope []
Uplifting [main] best 41 combination reg byte a [ main::port4Value#0 ]
Uplifting [MOS6526_CIA] best 41 combination
Uplifting [MOS6569_VICII] best 41 combination
Uplifting [MOS6581_SID] best 41 combination
Uplifting [] best 41 combination
ASSEMBLER BEFORE OPTIMIZATION
// File Comments
// Tests problem writing/reading joystick encountered by Danny Spijksma
// https://www.protovision.games/hardw/build4player.php?language=en&fbclid=IwAR1MJLgQjOU0zVa0ax2aNeGa-xVbE9IGY9zC6b6eInTV4HQzoUAoCPoXu14
// Upstart
.pc = $801 "Basic"
:BasicUpstart(main)
.pc = $80d "Program"
// Global Constants & labels
.const OFFSET_STRUCT_MOS6526_CIA_PORT_B = 1
// The CIA#2: Serial bus, RS-232, VIC memory bank
.label CIA2 = $dd00
.label SCREEN = $400
// @begin
__bbegin:
// [1] phi from @begin to @1 [phi:@begin->@1]
__b1_from___bbegin:
jmp __b1
// @1
__b1:
// [2] call main
jsr main
// [3] phi from @1 to @end [phi:@1->@end]
__bend_from___b1:
jmp __bend
// @end
__bend:
// main
main: {
// [4] *((byte*)(const nomodify struct MOS6526_CIA*) CIA2+(const byte) OFFSET_STRUCT_MOS6526_CIA_PORT_B) ← *((byte*)(const nomodify struct MOS6526_CIA*) CIA2+(const byte) OFFSET_STRUCT_MOS6526_CIA_PORT_B) & (byte) $7f -- _deref_pbuc1=_deref_pbuc1_band_vbuc2
lda #$7f
and CIA2+OFFSET_STRUCT_MOS6526_CIA_PORT_B
sta CIA2+OFFSET_STRUCT_MOS6526_CIA_PORT_B
// asm { lda#0 }
lda #0
// [6] (byte) main::port4Value#0 ← *((byte*)(const nomodify struct MOS6526_CIA*) CIA2+(const byte) OFFSET_STRUCT_MOS6526_CIA_PORT_B) -- vbuaa=_deref_pbuc1
lda CIA2+OFFSET_STRUCT_MOS6526_CIA_PORT_B
// [7] *((const nomodify byte*) SCREEN) ← (byte) main::port4Value#0 -- _deref_pbuc1=vbuaa
sta SCREEN
jmp __breturn
// main::@return
__breturn:
// [8] return
rts
}
// File Data
ASSEMBLER OPTIMIZATIONS
Removing instruction jmp __b1
Removing instruction jmp __bend
Removing instruction jmp __breturn
Succesful ASM optimization Pass5NextJumpElimination
Removing instruction __b1_from___bbegin:
Removing instruction __b1:
Removing instruction __bend_from___b1:
Succesful ASM optimization Pass5RedundantLabelElimination
Removing instruction __bbegin:
Removing instruction __bend:
Removing instruction __breturn:
Succesful ASM optimization Pass5UnusedLabelElimination
Removing instruction jsr main
Succesful ASM optimization Pass5SkipBegin
FINAL SYMBOL TABLE
(label) @1
(label) @begin
(label) @end
(const nomodify struct MOS6526_CIA*) CIA2 = (struct MOS6526_CIA*) 56576
(byte) MOS6526_CIA::INTERRUPT
(byte) MOS6526_CIA::PORT_A
(byte) MOS6526_CIA::PORT_A_DDR
(byte) MOS6526_CIA::PORT_B
(byte) MOS6526_CIA::PORT_B_DDR
(byte) MOS6526_CIA::SERIAL_DATA
(word) MOS6526_CIA::TIMER_A
(byte) MOS6526_CIA::TIMER_A_CONTROL
(word) MOS6526_CIA::TIMER_B
(byte) MOS6526_CIA::TIMER_B_CONTROL
(byte) MOS6526_CIA::TOD_10THS
(byte) MOS6526_CIA::TOD_HOURS
(byte) MOS6526_CIA::TOD_MIN
(byte) MOS6526_CIA::TOD_SEC
(byte) MOS6569_VICII::BG_COLOR
(byte) MOS6569_VICII::BG_COLOR1
(byte) MOS6569_VICII::BG_COLOR2
(byte) MOS6569_VICII::BG_COLOR3
(byte) MOS6569_VICII::BORDER_COLOR
(byte) MOS6569_VICII::CONTROL1
(byte) MOS6569_VICII::CONTROL2
(byte) MOS6569_VICII::IRQ_ENABLE
(byte) MOS6569_VICII::IRQ_STATUS
(byte) MOS6569_VICII::LIGHTPEN_X
(byte) MOS6569_VICII::LIGHTPEN_Y
(byte) MOS6569_VICII::MEMORY
(byte) MOS6569_VICII::RASTER
(byte) MOS6569_VICII::SPRITE0_COLOR
(byte) MOS6569_VICII::SPRITE0_X
(byte) MOS6569_VICII::SPRITE0_Y
(byte) MOS6569_VICII::SPRITE1_COLOR
(byte) MOS6569_VICII::SPRITE1_X
(byte) MOS6569_VICII::SPRITE1_Y
(byte) MOS6569_VICII::SPRITE2_COLOR
(byte) MOS6569_VICII::SPRITE2_X
(byte) MOS6569_VICII::SPRITE2_Y
(byte) MOS6569_VICII::SPRITE3_COLOR
(byte) MOS6569_VICII::SPRITE3_X
(byte) MOS6569_VICII::SPRITE3_Y
(byte) MOS6569_VICII::SPRITE4_COLOR
(byte) MOS6569_VICII::SPRITE4_X
(byte) MOS6569_VICII::SPRITE4_Y
(byte) MOS6569_VICII::SPRITE5_COLOR
(byte) MOS6569_VICII::SPRITE5_X
(byte) MOS6569_VICII::SPRITE5_Y
(byte) MOS6569_VICII::SPRITE6_COLOR
(byte) MOS6569_VICII::SPRITE6_X
(byte) MOS6569_VICII::SPRITE6_Y
(byte) MOS6569_VICII::SPRITE7_COLOR
(byte) MOS6569_VICII::SPRITE7_X
(byte) MOS6569_VICII::SPRITE7_Y
(byte) MOS6569_VICII::SPRITES_BG_COLLISION
(byte) MOS6569_VICII::SPRITES_COLLISION
(byte) MOS6569_VICII::SPRITES_ENABLE
(byte) MOS6569_VICII::SPRITES_EXPAND_X
(byte) MOS6569_VICII::SPRITES_EXPAND_Y
(byte) MOS6569_VICII::SPRITES_MC
(byte) MOS6569_VICII::SPRITES_MCOLOR1
(byte) MOS6569_VICII::SPRITES_MCOLOR2
(byte) MOS6569_VICII::SPRITES_PRIORITY
(byte) MOS6569_VICII::SPRITES_XMSB
(byte) MOS6581_SID::CH1_ATTACK_DECAY
(byte) MOS6581_SID::CH1_CONTROL
(word) MOS6581_SID::CH1_FREQ
(word) MOS6581_SID::CH1_PULSE_WIDTH
(byte) MOS6581_SID::CH1_SUSTAIN_RELEASE
(byte) MOS6581_SID::CH2_ATTACK_DECAY
(byte) MOS6581_SID::CH2_CONTROL
(word) MOS6581_SID::CH2_FREQ
(word) MOS6581_SID::CH2_PULSE_WIDTH
(byte) MOS6581_SID::CH2_SUSTAIN_RELEASE
(byte) MOS6581_SID::CH3_ATTACK_DECAY
(byte) MOS6581_SID::CH3_CONTROL
(byte) MOS6581_SID::CH3_ENV
(word) MOS6581_SID::CH3_FREQ
(byte) MOS6581_SID::CH3_OSC
(word) MOS6581_SID::CH3_PULSE_WIDTH
(byte) MOS6581_SID::CH3_SUSTAIN_RELEASE
(byte) MOS6581_SID::FILTER_CUTOFF_HIGH
(byte) MOS6581_SID::FILTER_CUTOFF_LOW
(byte) MOS6581_SID::FILTER_SETUP
(byte) MOS6581_SID::POT_X
(byte) MOS6581_SID::POT_Y
(byte) MOS6581_SID::VOLUME_FILTER_MODE
(const byte) OFFSET_STRUCT_MOS6526_CIA_PORT_B = (byte) 1
(const nomodify byte*) SCREEN = (byte*) 1024
(void()) main()
(label) main::@return
(byte) main::port4Value
(byte) main::port4Value#0 reg byte a 22.0
reg byte a [ main::port4Value#0 ]
FINAL ASSEMBLER
Score: 26
// File Comments
// Tests problem writing/reading joystick encountered by Danny Spijksma
// https://www.protovision.games/hardw/build4player.php?language=en&fbclid=IwAR1MJLgQjOU0zVa0ax2aNeGa-xVbE9IGY9zC6b6eInTV4HQzoUAoCPoXu14
// Upstart
.pc = $801 "Basic"
:BasicUpstart(main)
.pc = $80d "Program"
// Global Constants & labels
.const OFFSET_STRUCT_MOS6526_CIA_PORT_B = 1
// The CIA#2: Serial bus, RS-232, VIC memory bank
.label CIA2 = $dd00
.label SCREEN = $400
// @begin
// [1] phi from @begin to @1 [phi:@begin->@1]
// @1
// [2] call main
// [3] phi from @1 to @end [phi:@1->@end]
// @end
// main
main: {
// (CIA2->PORT_B) &= 0x7f
// [4] *((byte*)(const nomodify struct MOS6526_CIA*) CIA2+(const byte) OFFSET_STRUCT_MOS6526_CIA_PORT_B) ← *((byte*)(const nomodify struct MOS6526_CIA*) CIA2+(const byte) OFFSET_STRUCT_MOS6526_CIA_PORT_B) & (byte) $7f -- _deref_pbuc1=_deref_pbuc1_band_vbuc2
lda #$7f
and CIA2+OFFSET_STRUCT_MOS6526_CIA_PORT_B
sta CIA2+OFFSET_STRUCT_MOS6526_CIA_PORT_B
// asm
// asm { lda#0 }
lda #0
// port4Value = CIA2->PORT_B
// [6] (byte) main::port4Value#0 ← *((byte*)(const nomodify struct MOS6526_CIA*) CIA2+(const byte) OFFSET_STRUCT_MOS6526_CIA_PORT_B) -- vbuaa=_deref_pbuc1
lda CIA2+OFFSET_STRUCT_MOS6526_CIA_PORT_B
// *SCREEN = port4Value
// [7] *((const nomodify byte*) SCREEN) ← (byte) main::port4Value#0 -- _deref_pbuc1=vbuaa
sta SCREEN
// main::@return
// }
// [8] return
rts
}
// File Data
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