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Code consolidation
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@ -127,6 +127,18 @@ printcrlf:
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SHELL_PUTC
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ret
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; Print the hex char in A
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printHex:
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push af
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push hl
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ld hl, SHELL_HEX_FMT
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call fmtHexPair
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ld a, 2
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call printnstr
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pop hl
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pop af
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ret
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; Parse command (null terminated) at HL and calls it
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shellParse:
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push af
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@ -204,11 +216,7 @@ shellPrintErr:
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ld hl, .str
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call printstr
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ld hl, SHELL_HEX_FMT
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call fmtHexPair
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ld a, 2
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call printnstr
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call printHex
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call printcrlf
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pop hl
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@ -334,31 +342,23 @@ shellParseArgs:
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shellMptrCmd:
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.db "mptr", 0b011, 0b001, 0
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shellMptr:
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push de
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push hl
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; z80 is little endian. in a "ld hl, (nn)" op, L is loaded from the
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; first byte, H is loaded from the second.
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; reminder: z80 is little-endian
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ld a, (hl)
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ld (SHELL_MEM_PTR+1), a
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inc hl
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ld a, (hl)
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ld (SHELL_MEM_PTR), a
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ld de, (SHELL_MEM_PTR)
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ld hl, SHELL_HEX_FMT
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ld a, d
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call fmtHexPair
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ld a, 2
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call printnstr
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ld a, e
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call fmtHexPair
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ld a, 2
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call printnstr
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ld hl, (SHELL_MEM_PTR)
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ld a, h
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call printHex
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ld a, l
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call printHex
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call printcrlf
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pop hl
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pop de
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xor a
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ret
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@ -382,12 +382,7 @@ shellPeek:
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ld b, a
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ld hl, (SHELL_MEM_PTR)
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.loop: ld a, (hl)
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ex hl, de
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ld hl, SHELL_HEX_FMT
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call fmtHexPair
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ld a, 2
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call printnstr
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ex hl, de
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call printHex
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inc hl
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djnz .loop
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call printcrlf
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