59 lines
696 B
ArmAsm
59 lines
696 B
ArmAsm
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.define .mon
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.sect .text
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.sect .rom
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.sect .data
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.sect .bss
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.sect .text
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.sect .text
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.mon:
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cmpd 1,4(sp)
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beq 1f
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cmpd 3,4(sp)
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beq 3f
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cmpd 4,4(sp)
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beq 4f
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cmpd 54,4(sp)
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beq 5f
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movd .add1, tos
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jsr @.prstr
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movd 4(sp), tos
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jsr @.print
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movd .add2, tos
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jsr @.prstr
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ret 4
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1: jump @.stop
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3: save [r0,r1,r2,r3]
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movd 3,r0
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movd 28(sp),r1
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movd 32(sp),r2
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movd 0,r3
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svc
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movd r2, 32(sp)
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movd 0,28(sp)
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restore [r0,r1,r2,r3]
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ret 8
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4: save [r0,r1,r2,r3]
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movd 4,r0
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movd 28(sp),r1
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movd 32(sp),r2
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movd 0,r3
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svc
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movd r2, 32(sp)
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movd 0,28(sp)
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restore [r0,r1,r2,r3]
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ret 8
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5: movd 0, 16(sp)
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ret 12
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.sect .data
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.add1: .asciz "monitor call "
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.add2: .asciz " not implemented\n"
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.align
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