backend-infra-engineer: Release v0.3.0 snapshot

test/assets/test_patch.asm

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+; Yaze Test Patch for Zelda3 ROM
+; This patch demonstrates Asar integration with a real ROM
+
+; Test constants
+!test_ram_addr = $7E2000
+
+; Simple code modification
+org $008000
+yaze_test_hook:
+    ; Save original context
+    pha
+    phx
+    phy
+    
+    ; Set up processor state
+    rep #$30            ; 16-bit A and X/Y
+    
+    ; Write test signature to RAM
+    lda #$CAFE
+    sta !test_ram_addr
+    lda #$BEEF  
+    sta !test_ram_addr+2
+    lda #$DEAD
+    sta !test_ram_addr+4
+    lda #$BABE
+    sta !test_ram_addr+6
+    
+    ; Call test subroutine
+    jsr yaze_test_function
+    
+    ; Restore context
+    ply
+    plx
+    pla
+    
+    ; Continue with original code
+    ; (In a real patch, this would jump to the original code)
+    rts
+
+; Test function to verify Asar compilation
+yaze_test_function:
+    pha
+    
+    ; Test arithmetic operations
+    lda #$1000
+    clc
+    adc #$0234
+    sta !test_ram_addr+8
+    
+    ; Test conditional logic
+    cmp #$1234
+    bne +
+    lda #$600D
+    sta !test_ram_addr+10
++
+    
+    pla
+    rts
+
+; Test data section
+yaze_test_data:
+    db "YAZE", $00
+    dw $1234, $5678, $9ABC, $DEF0
+    
+yaze_test_string:
+    db "ASAR INTEGRATION TEST", $00
+
+; Test lookup table
+yaze_test_table:
+    dw yaze_test_hook
+    dw yaze_test_function
+    dw yaze_test_data
+    dw yaze_test_string
+
+; More advanced test - interrupt vector modification
+; org $00FFE4
+; dw yaze_test_hook   ; COP vector (for testing)
+
+print "Yaze Asar integration test patch compiled successfully!"
+print "Test hook at: ", hex(yaze_test_hook)
+print "Test function at: ", hex(yaze_test_function)
+print "Test data at: ", hex(yaze_test_data)